diff --git a/CHROMIUM_BUILD_COMPATIBILITY.txt b/CHROMIUM_BUILD_COMPATIBILITY.txt
index 095b80509..dbbb5626c 100644
--- a/CHROMIUM_BUILD_COMPATIBILITY.txt
+++ b/CHROMIUM_BUILD_COMPATIBILITY.txt
@@ -17,5 +17,5 @@
 
 {
   'chromium_url': 'http://src.chromium.org/svn/trunk/src',
-  'chromium_revision': '220934',
+  'chromium_revision': '224895',
 }
diff --git a/cef.gypi b/cef.gypi
index a5fcff484..971763f7a 100644
--- a/cef.gypi
+++ b/cef.gypi
@@ -4,6 +4,8 @@
 
 {
   'variables': {
+    'use_ash': 0,
+    'use_aura': 0,
     'conditions': [
       # Directory for CEF source files.
       [ 'OS=="win"', {
diff --git a/libcef/browser/browser_host_impl_mac.mm b/libcef/browser/browser_host_impl_mac.mm
index 9fad652d0..a766c1620 100644
--- a/libcef/browser/browser_host_impl_mac.mm
+++ b/libcef/browser/browser_host_impl_mac.mm
@@ -26,8 +26,8 @@
 #include "third_party/WebKit/public/web/WebInputEvent.h"
 #include "third_party/WebKit/public/web/mac/WebInputEventFactory.h"
 #import  "ui/base/cocoa/underlay_opengl_hosting_window.h"
-#include "ui/base/keycodes/keyboard_codes_posix.h"
 #include "ui/base/l10n/l10n_util.h"
+#include "ui/events/keycodes/keyboard_codes_posix.h"
 #include "ui/gfx/rect.h"
 
 // Wrapper NSView for the native view. Necessary to destroy the browser when
diff --git a/libcef/browser/browser_host_impl_win.cc b/libcef/browser/browser_host_impl_win.cc
index dc7684127..b8d5fa0a5 100644
--- a/libcef/browser/browser_host_impl_win.cc
+++ b/libcef/browser/browser_host_impl_win.cc
@@ -27,7 +27,7 @@
 #include "third_party/WebKit/public/web/WebInputEvent.h"
 #include "third_party/WebKit/public/web/win/WebInputEventFactory.h"
 #include "ui/base/l10n/l10n_util.h"
-#include "ui/base/win/hwnd_util.h"
+#include "ui/gfx/win/hwnd_util.h"
 
 #pragma comment(lib, "dwmapi.lib")
 
@@ -458,7 +458,7 @@ LPCTSTR CefBrowserHostImpl::GetWndClass() {
 LRESULT CALLBACK CefBrowserHostImpl::WndProc(HWND hwnd, UINT message,
                                              WPARAM wParam, LPARAM lParam) {
   CefBrowserHostImpl* browser =
-      static_cast<CefBrowserHostImpl*>(ui::GetWindowUserData(hwnd));
+      static_cast<CefBrowserHostImpl*>(gfx::GetWindowUserData(hwnd));
 
   switch (message) {
   case WM_CLOSE:
@@ -479,7 +479,7 @@ LRESULT CALLBACK CefBrowserHostImpl::WndProc(HWND hwnd, UINT message,
   case WM_DESTROY:
     if (browser) {
       // Clear the user data pointer.
-      ui::SetWindowUserData(hwnd, NULL);
+      gfx::SetWindowUserData(hwnd, NULL);
 
       // Force the browser to be destroyed and release the reference added in
       // PlatformCreateWindow().
@@ -542,7 +542,7 @@ bool CefBrowserHostImpl::PlatformCreateWindow() {
 
   // Set window user data to this object for future reference from the window
   // procedure.
-  ui::SetWindowUserData(window_info_.window, this);
+  gfx::SetWindowUserData(window_info_.window, this);
 
   // Add a reference that will be released in the WM_DESTROY handler.
   AddRef();
diff --git a/libcef/browser/content_browser_client.cc b/libcef/browser/content_browser_client.cc
index 7d1a5e15b..4ce57cf03 100644
--- a/libcef/browser/content_browser_client.cc
+++ b/libcef/browser/content_browser_client.cc
@@ -623,6 +623,7 @@ content::AccessTokenStore* CefContentBrowserClient::CreateAccessTokenStore() {
 
 bool CefContentBrowserClient::CanCreateWindow(
     const GURL& opener_url,
+    const GURL& opener_top_level_frame_url,
     const GURL& source_origin,
     WindowContainerType container_type,
     const GURL& target_url,
diff --git a/libcef/browser/content_browser_client.h b/libcef/browser/content_browser_client.h
index 6e3468d16..21b96198a 100644
--- a/libcef/browser/content_browser_client.h
+++ b/libcef/browser/content_browser_client.h
@@ -110,6 +110,7 @@ class CefContentBrowserClient : public content::ContentBrowserClient {
       content::CertificateRequestResultType* result) OVERRIDE;
   virtual content::AccessTokenStore* CreateAccessTokenStore() OVERRIDE;
   virtual bool CanCreateWindow(const GURL& opener_url,
+                               const GURL& opener_top_level_frame_url,
                                const GURL& source_origin,
                                WindowContainerType container_type,
                                const GURL& target_url,
diff --git a/libcef/browser/devtools_delegate.cc b/libcef/browser/devtools_delegate.cc
index 99aec54b1..7e4cabe75 100644
--- a/libcef/browser/devtools_delegate.cc
+++ b/libcef/browser/devtools_delegate.cc
@@ -18,6 +18,7 @@
 #include "content/public/browser/devtools_http_handler.h"
 #include "content/public/browser/render_process_host.h"
 #include "content/public/browser/render_view_host.h"
+#include "content/public/browser/render_widget_host_iterator.h"
 #include "content/public/common/content_switches.h"
 #include "content/public/common/url_constants.h"
 #include "grit/cef_resources.h"
@@ -60,13 +61,13 @@ content::DevToolsAgentHost* CefDevToolsBindingHandler::ForIdentifier(
     if (!render_process_host->HasConnection())
       continue;
 
-    content::RenderWidgetHost::List widgets =
-        content::RenderWidgetHost::GetRenderWidgetHosts();
-    for (size_t i = 0; i < widgets.size(); ++i) {
-      if (!widgets[i]->IsRenderView())
+    scoped_ptr<content::RenderWidgetHostIterator> widgets(
+        content::RenderWidgetHost::GetRenderWidgetHosts());
+    while (content::RenderWidgetHost* widget = widgets->GetNextHost()) {
+      if (!widget->IsRenderView())
         continue;
 
-      content::RenderViewHost* host = content::RenderViewHost::From(widgets[i]);
+      content::RenderViewHost* host = content::RenderViewHost::From(widget);
       if (GetIdentifier(host) == identifier) {
         // May create a new agent host.
         scoped_refptr<content::DevToolsAgentHost> agent_host(
@@ -163,11 +164,11 @@ std::string CefDevToolsDelegate::GetViewDescription(content::RenderViewHost*) {
   return std::string();
 }
 
-scoped_refptr<net::StreamListenSocket>
+scoped_ptr<net::StreamListenSocket>
     CefDevToolsDelegate::CreateSocketForTethering(
         net::StreamListenSocket::Delegate* delegate,
         std::string* name) {
-  return NULL;
+  return scoped_ptr<net::StreamListenSocket>();
 }
 
 std::string CefDevToolsDelegate::GetDevToolsURL(content::RenderViewHost* rvh,
diff --git a/libcef/browser/devtools_delegate.h b/libcef/browser/devtools_delegate.h
index 64e2957ad..383fedb1c 100644
--- a/libcef/browser/devtools_delegate.h
+++ b/libcef/browser/devtools_delegate.h
@@ -63,7 +63,7 @@ class CefDevToolsDelegate : public content::DevToolsHttpHandlerDelegate {
   virtual content::RenderViewHost* CreateNewTarget() OVERRIDE;
   virtual TargetType GetTargetType(content::RenderViewHost*) OVERRIDE;
   virtual std::string GetViewDescription(content::RenderViewHost*) OVERRIDE;
-  virtual scoped_refptr<net::StreamListenSocket> CreateSocketForTethering(
+  virtual scoped_ptr<net::StreamListenSocket> CreateSocketForTethering(
       net::StreamListenSocket::Delegate* delegate,
       std::string* name) OVERRIDE;
 
diff --git a/libcef/browser/gtk_util_stub.cc b/libcef/browser/gtk_util_stub.cc
index 809d0eeb4..32d5157ee 100644
--- a/libcef/browser/gtk_util_stub.cc
+++ b/libcef/browser/gtk_util_stub.cc
@@ -4,7 +4,7 @@
 
 #include <gtk/gtk.h>
 
-#include "ui/base/events/event.h"
+#include "ui/events/event.h"
 
 // This file includes a selection of methods copied from
 // chrome/browser/ui/gtk/gtk_util.cc.
diff --git a/libcef/browser/javascript_dialog_manager.cc b/libcef/browser/javascript_dialog_manager.cc
index 169a2da16..8a9e82b62 100644
--- a/libcef/browser/javascript_dialog_manager.cc
+++ b/libcef/browser/javascript_dialog_manager.cc
@@ -81,7 +81,6 @@ void CefJavaScriptDialogManager::RunJavaScriptDialog(
     content::JavaScriptMessageType message_type,
     const string16& message_text,
     const string16& default_prompt_text,
-    bool user_gesture,
     const DialogClosedCallback& callback,
     bool* did_suppress_message) {
   CefRefPtr<CefClient> client = browser_->GetClient();
diff --git a/libcef/browser/javascript_dialog_manager.h b/libcef/browser/javascript_dialog_manager.h
index a4b4cd575..b404ddf05 100644
--- a/libcef/browser/javascript_dialog_manager.h
+++ b/libcef/browser/javascript_dialog_manager.h
@@ -29,7 +29,6 @@ class CefJavaScriptDialogManager : public content::JavaScriptDialogManager {
       content::JavaScriptMessageType message_type,
       const string16& message_text,
       const string16& default_prompt_text,
-      bool user_gesture,
       const DialogClosedCallback& callback,
       bool* did_suppress_message) OVERRIDE;
 
diff --git a/libcef/browser/render_widget_host_view_osr.cc b/libcef/browser/render_widget_host_view_osr.cc
index 43f83f68a..35f089216 100644
--- a/libcef/browser/render_widget_host_view_osr.cc
+++ b/libcef/browser/render_widget_host_view_osr.cc
@@ -206,15 +206,15 @@ void CefRenderWidgetHostViewOSR::SetIsLoading(bool is_loading) {
 #if !defined(OS_MACOSX)
 void CefRenderWidgetHostViewOSR::TextInputTypeChanged(
     ui::TextInputType type,
-    bool can_compose_inline,
-    ui::TextInputMode mode) {
+    ui::TextInputMode mode,
+    bool can_compose_inline) {
 }
 
 void CefRenderWidgetHostViewOSR::ImeCancelComposition() {
 }
 
 void CefRenderWidgetHostViewOSR::ImeCompositionRangeChanged(
-    const ui::Range& range,
+    const gfx::Range& range,
     const std::vector<gfx::Rect>& character_bounds) {
 }
 #endif  // !defined(OS_MACOSX)
@@ -292,8 +292,8 @@ gfx::Rect CefRenderWidgetHostViewOSR::GetBoundsInRootWindow() {
   return gfx::Rect();
 }
 
-void CefRenderWidgetHostViewOSR::OnAccessibilityNotifications(
-    const std::vector<AccessibilityHostMsg_NotificationParams>& params) {
+void CefRenderWidgetHostViewOSR::OnAccessibilityEvents(
+    const std::vector<AccessibilityHostMsg_EventParams>& params) {
 }
 
 void CefRenderWidgetHostViewOSR::Destroy() {
diff --git a/libcef/browser/render_widget_host_view_osr.h b/libcef/browser/render_widget_host_view_osr.h
index c15c04a6c..7101e1ea0 100644
--- a/libcef/browser/render_widget_host_view_osr.h
+++ b/libcef/browser/render_widget_host_view_osr.h
@@ -48,26 +48,26 @@ class CefRenderWidgetHostViewOSR : public content::RenderWidgetHostViewBase {
   void HandleKeyEventBeforeTextInputClient(CefEventHandle keyEvent);
   void HandleKeyEventAfterTextInputClient(CefEventHandle keyEvent);
 
-  bool GetCachedFirstRectForCharacterRange(ui::Range range, gfx::Rect* rect,
-                                           ui::Range* actual_range) const;
+  bool GetCachedFirstRectForCharacterRange(gfx::Range range, gfx::Rect* rect,
+                                           gfx::Range* actual_range) const;
 
  private:
   // Returns composition character boundary rectangle. The |range| is
   // composition based range. Also stores |actual_range| which is corresponding
   // to actually used range for returned rectangle.
-  gfx::Rect GetFirstRectForCompositionRange(const ui::Range& range,
-                                            ui::Range* actual_range) const;
+  gfx::Rect GetFirstRectForCompositionRange(const gfx::Range& range,
+                                            gfx::Range* actual_range) const;
 
   // Converts from given whole character range to composition oriented range. If
-  // the conversion failed, return ui::Range::InvalidRange.
-  ui::Range ConvertCharacterRangeToCompositionRange(
-      const ui::Range& request_range) const;
+  // the conversion failed, return gfx::Range::InvalidRange.
+  gfx::Range ConvertCharacterRangeToCompositionRange(
+      const gfx::Range& request_range) const;
 
   // Returns true if there is line break in |range| and stores line breaking
   // point to |line_breaking_point|. The |line_break_point| is valid only if
   // this function returns true.
   static bool GetLineBreakIndex(const std::vector<gfx::Rect>& bounds,
-                                const ui::Range& range,
+                                const gfx::Range& range,
                                 size_t* line_break_point);
 
   void DestroyNSTextInputOSR();
@@ -119,11 +119,11 @@ class CefRenderWidgetHostViewOSR : public content::RenderWidgetHostViewBase {
   virtual void UpdateCursor(const WebCursor& cursor) OVERRIDE;
   virtual void SetIsLoading(bool is_loading) OVERRIDE;
   virtual void TextInputTypeChanged(ui::TextInputType type,
-                                    bool can_compose_inline,
-                                    ui::TextInputMode mode) OVERRIDE;
+                                    ui::TextInputMode mode,
+                                    bool can_compose_inline) OVERRIDE;
   virtual void ImeCancelComposition() OVERRIDE;
   virtual void ImeCompositionRangeChanged(
-      const ui::Range& range,
+      const gfx::Range& range,
       const std::vector<gfx::Rect>& character_bounds) OVERRIDE;
   virtual void DidUpdateBackingStore(
       const gfx::Rect& scroll_rect,
@@ -137,8 +137,8 @@ class CefRenderWidgetHostViewOSR : public content::RenderWidgetHostViewBase {
 #endif
   virtual void GetScreenInfo(WebKit::WebScreenInfo* results) OVERRIDE;
   virtual gfx::Rect GetBoundsInRootWindow() OVERRIDE;
-  void OnAccessibilityNotifications(
-      const std::vector<AccessibilityHostMsg_NotificationParams>& params)
+  virtual void OnAccessibilityEvents(
+      const std::vector<AccessibilityHostMsg_EventParams>& params)
       OVERRIDE;
   virtual void Destroy() OVERRIDE;
   virtual void SetTooltipText(const string16& tooltip_text) OVERRIDE;
diff --git a/libcef/browser/render_widget_host_view_osr_mac.mm b/libcef/browser/render_widget_host_view_osr_mac.mm
index dd47accf5..ebe51a915 100644
--- a/libcef/browser/render_widget_host_view_osr_mac.mm
+++ b/libcef/browser/render_widget_host_view_osr_mac.mm
@@ -55,7 +55,7 @@ void CefRenderWidgetHostViewOSR::DestroyNSTextInputOSR() {
 }
 
 void CefRenderWidgetHostViewOSR::ImeCompositionRangeChanged(
-    const ui::Range& range,
+    const gfx::Range& range,
     const std::vector<gfx::Rect>& character_bounds) {
   CefTextInputClientOSRMac* client = GetInputClientFromContext(
       text_input_context_osr_mac_);
@@ -76,14 +76,14 @@ void CefRenderWidgetHostViewOSR::ImeCancelComposition() {
 
 void CefRenderWidgetHostViewOSR::TextInputTypeChanged(
     ui::TextInputType type,
-    bool can_compose_inline,
-    ui::TextInputMode mode) {
+    ui::TextInputMode mode,
+    bool can_compose_inline) {
   [NSApp updateWindows];
 }
 
 bool CefRenderWidgetHostViewOSR::GetLineBreakIndex(
     const std::vector<gfx::Rect>& bounds,
-    const ui::Range& range,
+    const gfx::Range& range,
     size_t* line_break_point) {
   DCHECK(line_break_point);
   if (range.start() >= bounds.size() || range.is_reversed() || range.is_empty())
@@ -111,7 +111,7 @@ bool CefRenderWidgetHostViewOSR::GetLineBreakIndex(
 }
 
 gfx::Rect CefRenderWidgetHostViewOSR::GetFirstRectForCompositionRange(
-    const ui::Range& range, ui::Range* actual_range) const {
+    const gfx::Range& range, gfx::Range* actual_range) const {
   CefTextInputClientOSRMac* client = GetInputClientFromContext(
      text_input_context_osr_mac_);
 
@@ -141,7 +141,7 @@ gfx::Rect CefRenderWidgetHostViewOSR::GetFirstRectForCompositionRange(
       range, &end_idx)) {
     end_idx = range.end();
   }
-  *actual_range = ui::Range(range.start(), end_idx);
+  *actual_range = gfx::Range(range.start(), end_idx);
   gfx::Rect rect = client->composition_bounds_[range.start()];
   for (size_t i = range.start() + 1; i < end_idx; ++i) {
     rect.Union(client->composition_bounds_[i]);
@@ -149,44 +149,44 @@ gfx::Rect CefRenderWidgetHostViewOSR::GetFirstRectForCompositionRange(
   return rect;
 }
 
-ui::Range CefRenderWidgetHostViewOSR::ConvertCharacterRangeToCompositionRange(
-    const ui::Range& request_range) const {
+gfx::Range CefRenderWidgetHostViewOSR::ConvertCharacterRangeToCompositionRange(
+    const gfx::Range& request_range) const {
   CefTextInputClientOSRMac* client = GetInputClientFromContext(
      text_input_context_osr_mac_);
   DCHECK(client);
 
   if (client->composition_range_.is_empty())
-    return ui::Range::InvalidRange();
+    return gfx::Range::InvalidRange();
 
   if (request_range.is_reversed())
-    return ui::Range::InvalidRange();
+    return gfx::Range::InvalidRange();
 
   if (request_range.start() < client->composition_range_.start()
       || request_range.start() > client->composition_range_.end()
       || request_range.end() > client->composition_range_.end())
-    return ui::Range::InvalidRange();
+    return gfx::Range::InvalidRange();
 
-  return ui::Range(request_range.start() - client->composition_range_.start(),
-                   request_range.end() - client->composition_range_.start());
+  return gfx::Range(request_range.start() - client->composition_range_.start(),
+                    request_range.end() - client->composition_range_.start());
 }
 
 bool CefRenderWidgetHostViewOSR::GetCachedFirstRectForCharacterRange(
-    ui::Range range, gfx::Rect* rect, ui::Range* actual_range) const {
+    gfx::Range range, gfx::Rect* rect, gfx::Range* actual_range) const {
   DCHECK(rect);
   CefTextInputClientOSRMac* client = GetInputClientFromContext(
      text_input_context_osr_mac_);
 
   // If requested range is same as caret location, we can just return it.
-  if (selection_range_.is_empty() && ui::Range(range) == selection_range_) {
+  if (selection_range_.is_empty() && gfx::Range(range) == selection_range_) {
     if (actual_range)
       *actual_range = range;
     *rect = client->caret_rect_;
     return true;
   }
 
-  const ui::Range request_range_in_composition =
-      ConvertCharacterRangeToCompositionRange(ui::Range(range));
-  if (request_range_in_composition == ui::Range::InvalidRange())
+  const gfx::Range request_range_in_composition =
+      ConvertCharacterRangeToCompositionRange(gfx::Range(range));
+  if (request_range_in_composition == gfx::Range::InvalidRange())
     return false;
 
   // If firstRectForCharacterRange in WebFrame is failed in renderer,
@@ -197,11 +197,11 @@ bool CefRenderWidgetHostViewOSR::GetCachedFirstRectForCharacterRange(
   DCHECK_EQ(client->composition_bounds_.size(),
       client->composition_range_.length());
 
-  ui::Range ui_actual_range;
+  gfx::Range ui_actual_range;
   *rect = GetFirstRectForCompositionRange(request_range_in_composition,
                                           &ui_actual_range);
   if (actual_range) {
-    *actual_range = ui::Range(
+    *actual_range = gfx::Range(
         client->composition_range_.start() + ui_actual_range.start(),
         client->composition_range_.start() + ui_actual_range.end()).ToNSRange();
   }
diff --git a/libcef/browser/text_input_client_osr_mac.h b/libcef/browser/text_input_client_osr_mac.h
index 7998c6c0e..d487b2983 100644
--- a/libcef/browser/text_input_client_osr_mac.h
+++ b/libcef/browser/text_input_client_osr_mac.h
@@ -28,7 +28,7 @@
   NSRange markedRange_;
 
   // The current composition character range and its bounds.
-  ui::Range composition_range_;
+  gfx::Range composition_range_;
   std::vector<gfx::Rect> composition_bounds_;
 
   // The current caret bounds.
diff --git a/libcef/browser/text_input_client_osr_mac.mm b/libcef/browser/text_input_client_osr_mac.mm
index 2e86469cf..9dc31ee5c 100644
--- a/libcef/browser/text_input_client_osr_mac.mm
+++ b/libcef/browser/text_input_client_osr_mac.mm
@@ -97,7 +97,7 @@ extern "C" {
   if (handlingKeyDown_) {
     textToBeInserted_.append(base::SysNSStringToUTF16(im_text));
   } else {
-    ui::Range replacement_range(replacementRange);
+    gfx::Range replacement_range(replacementRange);
 
     renderWidgetHostView_->get_render_widget_host_impl()->ImeConfirmComposition(
         base::SysNSStringToUTF16(im_text), replacement_range, false);
@@ -185,7 +185,7 @@ extern "C" {
   // called in keyEvent: method.
   if (!handlingKeyDown_) {
     renderWidgetHostView_->get_render_widget_host_impl()->
-        ImeConfirmComposition(string16(), ui::Range::InvalidRange(), false);
+        ImeConfirmComposition(string16(), gfx::Range::InvalidRange(), false);
   } else {
     unmarkTextCalled_ = YES;
   }
@@ -205,8 +205,8 @@ extern "C" {
     actualRange:(NSRangePointer)actualRange {
   NSRect rect;
   gfx::Rect gfxRect;
-  ui::Range range(theRange);
-  ui::Range actual_range;
+  gfx::Range range(theRange);
+  gfx::Range actual_range;
   if (!renderWidgetHostView_->GetCachedFirstRectForCharacterRange(range,
       &gfxRect, &actual_range)) {
     rect = content::TextInputClientMac::GetInstance()->
@@ -319,7 +319,7 @@ extern "C" {
   if (textToBeInserted_.length() >
     ((hasMarkedText_ || oldHasMarkedText_) ? 0u : 1u)) {
     renderWidgetHostView_->get_render_widget_host_impl()->ImeConfirmComposition(
-       textToBeInserted_, ui::Range::InvalidRange(), false);
+       textToBeInserted_, gfx::Range::InvalidRange(), false);
     textToBeInserted_ = YES;
   }
 
@@ -336,7 +336,7 @@ extern "C" {
   } else if (oldHasMarkedText_ && !hasMarkedText_ && !textInserted) {
     if (unmarkTextCalled_) {
       renderWidgetHostView_->get_render_widget_host_impl()->
-          ImeConfirmComposition(string16(), ui::Range::InvalidRange(), false);
+          ImeConfirmComposition(string16(), gfx::Range::InvalidRange(), false);
     } else {
       renderWidgetHostView_->get_render_widget_host_impl()->
           ImeCancelComposition();
diff --git a/libcef/renderer/content_renderer_client.cc b/libcef/renderer/content_renderer_client.cc
index 4364a98ec..d54235bf6 100644
--- a/libcef/renderer/content_renderer_client.cc
+++ b/libcef/renderer/content_renderer_client.cc
@@ -26,6 +26,7 @@ MSVC_POP_WARNING();
 #include "libcef/renderer/render_process_observer.h"
 #include "libcef/renderer/thread_util.h"
 #include "libcef/renderer/v8_impl.h"
+#include "libcef/renderer/webkit_glue.h"
 
 #include "base/command_line.h"
 #include "base/path_service.h"
@@ -542,7 +543,7 @@ void CefContentRendererClient::DidCreateScriptContext(
 
   CefRefPtr<CefFrameImpl> framePtr = browserPtr->GetWebFrameImpl(frame);
 
-  v8::HandleScope handle_scope;
+  v8::HandleScope handle_scope(webkit_glue::GetV8Isolate(frame));
   v8::Context::Scope scope(context);
   WebCore::V8RecursionScope recursion_scope(
       WebCore::getScriptExecutionContext());
@@ -575,7 +576,7 @@ void CefContentRendererClient::WillReleaseScriptContext(
       if (browserPtr.get()) {
         CefRefPtr<CefFrameImpl> framePtr = browserPtr->GetWebFrameImpl(frame);
 
-        v8::HandleScope handle_scope;
+        v8::HandleScope handle_scope(webkit_glue::GetV8Isolate(frame));
         v8::Context::Scope scope(context);
         WebCore::V8RecursionScope recursion_scope(
             WebCore::getScriptExecutionContext());
diff --git a/libcef/renderer/frame_impl.cc b/libcef/renderer/frame_impl.cc
index 9e3bf97b3..22d8afbe7 100644
--- a/libcef/renderer/frame_impl.cc
+++ b/libcef/renderer/frame_impl.cc
@@ -238,7 +238,7 @@ CefRefPtr<CefV8Context> CefFrameImpl::GetV8Context() {
   CEF_REQUIRE_RT_RETURN(NULL);
 
   if (frame_) {
-    v8::HandleScope handle_scope;
+    v8::HandleScope handle_scope(webkit_glue::GetV8Isolate(frame_));
     return new CefV8ContextImpl(webkit_glue::GetV8Context(frame_));
   } else {
     return NULL;
diff --git a/libcef/renderer/render_urlrequest_impl.cc b/libcef/renderer/render_urlrequest_impl.cc
index 113d49a7c..7df746c62 100644
--- a/libcef/renderer/render_urlrequest_impl.cc
+++ b/libcef/renderer/render_urlrequest_impl.cc
@@ -46,7 +46,8 @@ class CefWebURLLoaderClient : public WebKit::WebURLLoaderClient {
       WebURLLoader* loader,
       const WebURLResponse& response) OVERRIDE;
   virtual void didDownloadData(WebURLLoader* loader,
-                               int dataLength) OVERRIDE;
+                               int dataLength,
+                               int encodedDataLength) OVERRIDE;
   virtual void didReceiveData(WebURLLoader* loader,
                               const char* data,
                               int dataLength,
@@ -278,7 +279,8 @@ void CefWebURLLoaderClient::didReceiveResponse(
 }
 
 void CefWebURLLoaderClient::didDownloadData(WebURLLoader* loader,
-                                            int dataLength) {
+                                            int dataLength,
+                                            int encodedDataLength) {
 }
 
 void CefWebURLLoaderClient::didReceiveData(WebURLLoader* loader,
diff --git a/libcef/renderer/v8_impl.cc b/libcef/renderer/v8_impl.cc
index c707d4b58..5ea1498db 100644
--- a/libcef/renderer/v8_impl.cc
+++ b/libcef/renderer/v8_impl.cc
@@ -2,6 +2,10 @@
 // reserved. Use of this source code is governed by a BSD-style license that
 // can be found in the LICENSE file.
 
+// MSVC++ requires this to be set before any other includes to get M_PI.
+// Otherwise there will be compile errors in wtf/MathExtras.h.
+#define _USE_MATH_DEFINES
+
 #include <map>
 #include <string>
 
@@ -395,7 +399,7 @@ void TrackDestructor(v8::Isolate* isolate,
   if (parameter)
     delete parameter;
 
-  object->Dispose(isolate);
+  object->Reset();
   object->Clear();
 }
 
@@ -577,7 +581,8 @@ v8::Local<v8::Value> CallV8Function(v8::Handle<v8::Context> context,
                                     v8::Handle<v8::Function> function,
                                     v8::Handle<v8::Object> receiver,
                                     int argc,
-                                    v8::Handle<v8::Value> args[]) {
+                                    v8::Handle<v8::Value> args[],
+                                    v8::Isolate* isolate) {
   v8::Local<v8::Value> func_rv;
 
   // Execute the function call using the ScriptController so that inspector
@@ -596,7 +601,7 @@ v8::Local<v8::Value> CallV8Function(v8::Handle<v8::Context> context,
     if (controller) {
       func_rv = WebCore::ScriptController::callFunctionWithInstrumentation(
           controller->workerGlobalScope()->scriptExecutionContext(),
-          function, receiver, argc, args);
+          function, receiver, argc, args, isolate);
     }
   }
 
@@ -813,7 +818,7 @@ CefRefPtr<CefV8Context> CefV8Context::GetCurrentContext() {
   CefRefPtr<CefV8Context> context;
   CEF_V8_REQUIRE_ISOLATE_RETURN(context);
   if (v8::Context::InContext()) {
-    v8::HandleScope handle_scope;
+    v8::HandleScope handle_scope(v8::Isolate::GetCurrent());
     context = new CefV8ContextImpl(v8::Context::GetCurrent());
   }
   return context;
@@ -824,7 +829,7 @@ CefRefPtr<CefV8Context> CefV8Context::GetEnteredContext() {
   CefRefPtr<CefV8Context> context;
   CEF_V8_REQUIRE_ISOLATE_RETURN(context);
   if (v8::Context::InContext()) {
-    v8::HandleScope handle_scope;
+    v8::HandleScope handle_scope(v8::Isolate::GetCurrent());
     context = new CefV8ContextImpl(v8::Context::GetEntered());
   }
   return context;
@@ -895,7 +900,7 @@ CefRefPtr<CefFrame> CefV8ContextImpl::GetFrame() {
 CefRefPtr<CefV8Value> CefV8ContextImpl::GetGlobal() {
   CEF_V8_REQUIRE_VALID_HANDLE_RETURN(NULL);
 
-  v8::HandleScope handle_scope;
+  v8::HandleScope handle_scope(handle_->isolate());
   v8::Handle<v8::Context> context = GetV8Context();
   v8::Context::Scope context_scope(context);
   return new CefV8ValueImpl(context->Global());
@@ -904,7 +909,7 @@ CefRefPtr<CefV8Value> CefV8ContextImpl::GetGlobal() {
 bool CefV8ContextImpl::Enter() {
   CEF_V8_REQUIRE_VALID_HANDLE_RETURN(false);
 
-  v8::HandleScope handle_scope;
+  v8::HandleScope handle_scope(handle_->isolate());
 
   WebCore::V8PerIsolateData::current()->incrementRecursionLevel();
   handle_->GetNewV8Handle()->Enter();
@@ -917,7 +922,7 @@ bool CefV8ContextImpl::Enter() {
 bool CefV8ContextImpl::Exit() {
   CEF_V8_REQUIRE_VALID_HANDLE_RETURN(false);
 
-  v8::HandleScope handle_scope;
+  v8::HandleScope handle_scope(handle_->isolate());
 
   DLOG_ASSERT(enter_count_ > 0);
   handle_->GetNewV8Handle()->Exit();
@@ -949,7 +954,7 @@ bool CefV8ContextImpl::Eval(const CefString& code,
     return false;
   }
 
-  v8::HandleScope handle_scope;
+  v8::HandleScope handle_scope(handle_->isolate());
   v8::Local<v8::Context> context = GetV8Context();
   v8::Context::Scope context_scope(context);
   v8::Local<v8::Object> obj = context->Global();
@@ -969,7 +974,7 @@ bool CefV8ContextImpl::Eval(const CefString& code,
   exception = NULL;
 
   v8::Local<v8::Value> func_rv =
-      CallV8Function(context, func, obj, 1, &code_val);
+      CallV8Function(context, func, obj, 1, &code_val, handle_->isolate());
 
   if (try_catch.HasCaught()) {
     exception = new CefV8ExceptionImpl(try_catch.Message());
@@ -986,7 +991,7 @@ v8::Handle<v8::Context> CefV8ContextImpl::GetV8Context() {
 
 WebKit::WebFrame* CefV8ContextImpl::GetWebFrame() {
   CEF_REQUIRE_RT();
-  v8::HandleScope handle_scope;
+  v8::HandleScope handle_scope(handle_->isolate());
   v8::Context::Scope context_scope(GetV8Context());
   WebKit::WebFrame* frame = WebKit::WebFrame::frameForCurrentContext();
   return frame;
@@ -1005,7 +1010,7 @@ CefV8ValueImpl::Handle::~Handle() {
         (tracker_ ? new CefV8MakeWeakParam(context_state_, tracker_) : NULL),
         TrackDestructor);
   } else {
-    handle_.Dispose(isolate());
+    handle_.Reset();
     handle_.Clear();
 
     if (tracker_)
@@ -1087,7 +1092,7 @@ CefRefPtr<CefV8Value> CefV8Value::CreateObject(
     CefRefPtr<CefV8Accessor> accessor) {
   CEF_V8_REQUIRE_ISOLATE_RETURN(NULL);
 
-  v8::HandleScope handle_scope;
+  v8::HandleScope handle_scope(v8::Isolate::GetCurrent());
 
   v8::Local<v8::Context> context = v8::Context::GetCurrent();
   if (context.IsEmpty()) {
@@ -1115,7 +1120,7 @@ CefRefPtr<CefV8Value> CefV8Value::CreateObject(
 CefRefPtr<CefV8Value> CefV8Value::CreateArray(int length) {
   CEF_V8_REQUIRE_ISOLATE_RETURN(NULL);
 
-  v8::HandleScope handle_scope;
+  v8::HandleScope handle_scope(v8::Isolate::GetCurrent());
 
   v8::Local<v8::Context> context = v8::Context::GetCurrent();
   if (context.IsEmpty()) {
@@ -1149,7 +1154,7 @@ CefRefPtr<CefV8Value> CefV8Value::CreateFunction(
     return NULL;
   }
 
-  v8::HandleScope handle_scope;
+  v8::HandleScope handle_scope(v8::Isolate::GetCurrent());
 
   v8::Local<v8::Context> context = v8::Context::GetCurrent();
   if (context.IsEmpty()) {
@@ -1385,7 +1390,7 @@ bool CefV8ValueImpl::IsObject() {
 bool CefV8ValueImpl::IsArray() {
   CEF_V8_REQUIRE_MLT_RETURN(false);
   if (type_ == TYPE_OBJECT) {
-    v8::HandleScope handle_scope;
+    v8::HandleScope handle_scope(handle_->isolate());
     return handle_->GetNewV8Handle(false)->IsArray();
   } else {
     return false;
@@ -1395,7 +1400,7 @@ bool CefV8ValueImpl::IsArray() {
 bool CefV8ValueImpl::IsFunction() {
   CEF_V8_REQUIRE_MLT_RETURN(false);
   if (type_ == TYPE_OBJECT) {
-    v8::HandleScope handle_scope;
+    v8::HandleScope handle_scope(handle_->isolate());
     return handle_->GetNewV8Handle(false)->IsFunction();
   } else {
     return false;
@@ -1488,7 +1493,7 @@ CefString CefV8ValueImpl::GetStringValue() {
 bool CefV8ValueImpl::IsUserCreated() {
   CEF_V8_REQUIRE_OBJECT_RETURN(false);
 
-  v8::HandleScope handle_scope;
+  v8::HandleScope handle_scope(handle_->isolate());
   v8::Handle<v8::Value> value = handle_->GetNewV8Handle(false);
   v8::Handle<v8::Object> obj = value->ToObject();
 
@@ -1531,7 +1536,7 @@ bool CefV8ValueImpl::SetRethrowExceptions(bool rethrow) {
 bool CefV8ValueImpl::HasValue(const CefString& key) {
   CEF_V8_REQUIRE_OBJECT_RETURN(false);
 
-  v8::HandleScope handle_scope;
+  v8::HandleScope handle_scope(handle_->isolate());
   v8::Handle<v8::Value> value = handle_->GetNewV8Handle(false);
   v8::Handle<v8::Object> obj = value->ToObject();
   return obj->Has(GetV8String(key));
@@ -1545,7 +1550,7 @@ bool CefV8ValueImpl::HasValue(int index) {
     return false;
   }
 
-  v8::HandleScope handle_scope;
+  v8::HandleScope handle_scope(handle_->isolate());
   v8::Handle<v8::Value> value = handle_->GetNewV8Handle(false);
   v8::Handle<v8::Object> obj = value->ToObject();
   return obj->Has(index);
@@ -1554,7 +1559,7 @@ bool CefV8ValueImpl::HasValue(int index) {
 bool CefV8ValueImpl::DeleteValue(const CefString& key) {
   CEF_V8_REQUIRE_OBJECT_RETURN(false);
 
-  v8::HandleScope handle_scope;
+  v8::HandleScope handle_scope(handle_->isolate());
   v8::Handle<v8::Value> value = handle_->GetNewV8Handle(false);
   v8::Handle<v8::Object> obj = value->ToObject();
 
@@ -1572,7 +1577,7 @@ bool CefV8ValueImpl::DeleteValue(int index) {
     return false;
   }
 
-  v8::HandleScope handle_scope;
+  v8::HandleScope handle_scope(handle_->isolate());
   v8::Handle<v8::Value> value = handle_->GetNewV8Handle(false);
   v8::Handle<v8::Object> obj = value->ToObject();
 
@@ -1585,7 +1590,7 @@ bool CefV8ValueImpl::DeleteValue(int index) {
 CefRefPtr<CefV8Value> CefV8ValueImpl::GetValue(const CefString& key) {
   CEF_V8_REQUIRE_OBJECT_RETURN(NULL);
 
-  v8::HandleScope handle_scope;
+  v8::HandleScope handle_scope(handle_->isolate());
   v8::Handle<v8::Value> value = handle_->GetNewV8Handle(false);
   v8::Handle<v8::Object> obj = value->ToObject();
 
@@ -1605,7 +1610,7 @@ CefRefPtr<CefV8Value> CefV8ValueImpl::GetValue(int index) {
     return NULL;
   }
 
-  v8::HandleScope handle_scope;
+  v8::HandleScope handle_scope(handle_->isolate());
   v8::Handle<v8::Value> value = handle_->GetNewV8Handle(false);
   v8::Handle<v8::Object> obj = value->ToObject();
 
@@ -1624,7 +1629,7 @@ bool CefV8ValueImpl::SetValue(const CefString& key,
 
   CefV8ValueImpl* impl = static_cast<CefV8ValueImpl*>(value.get());
   if (impl && impl->IsValid()) {
-    v8::HandleScope handle_scope;
+    v8::HandleScope handle_scope(handle_->isolate());
     v8::Handle<v8::Value> value = handle_->GetNewV8Handle(false);
     v8::Handle<v8::Object> obj = value->ToObject();
 
@@ -1649,7 +1654,7 @@ bool CefV8ValueImpl::SetValue(int index, CefRefPtr<CefV8Value> value) {
 
   CefV8ValueImpl* impl = static_cast<CefV8ValueImpl*>(value.get());
   if (impl && impl->IsValid()) {
-    v8::HandleScope handle_scope;
+    v8::HandleScope handle_scope(handle_->isolate());
     v8::Handle<v8::Value> value = handle_->GetNewV8Handle(false);
     v8::Handle<v8::Object> obj = value->ToObject();
 
@@ -1667,7 +1672,7 @@ bool CefV8ValueImpl::SetValue(const CefString& key, AccessControl settings,
                               PropertyAttribute attribute) {
   CEF_V8_REQUIRE_OBJECT_RETURN(false);
 
-  v8::HandleScope handle_scope;
+  v8::HandleScope handle_scope(handle_->isolate());
   v8::Handle<v8::Value> value = handle_->GetNewV8Handle(false);
   v8::Handle<v8::Object> obj = value->ToObject();
 
@@ -1697,7 +1702,7 @@ bool CefV8ValueImpl::SetValue(const CefString& key, AccessControl settings,
 bool CefV8ValueImpl::GetKeys(std::vector<CefString>& keys) {
   CEF_V8_REQUIRE_OBJECT_RETURN(false);
 
-  v8::HandleScope handle_scope;
+  v8::HandleScope handle_scope(handle_->isolate());
   v8::Handle<v8::Value> value = handle_->GetNewV8Handle(false);
   v8::Handle<v8::Object> obj = value->ToObject();
 
@@ -1715,7 +1720,7 @@ bool CefV8ValueImpl::GetKeys(std::vector<CefString>& keys) {
 bool CefV8ValueImpl::SetUserData(CefRefPtr<CefBase> user_data) {
   CEF_V8_REQUIRE_OBJECT_RETURN(false);
 
-  v8::HandleScope handle_scope;
+  v8::HandleScope handle_scope(handle_->isolate());
   v8::Handle<v8::Value> value = handle_->GetNewV8Handle(false);
   v8::Handle<v8::Object> obj = value->ToObject();
 
@@ -1731,7 +1736,7 @@ bool CefV8ValueImpl::SetUserData(CefRefPtr<CefBase> user_data) {
 CefRefPtr<CefBase> CefV8ValueImpl::GetUserData() {
   CEF_V8_REQUIRE_OBJECT_RETURN(NULL);
 
-  v8::HandleScope handle_scope;
+  v8::HandleScope handle_scope(handle_->isolate());
   v8::Handle<v8::Value> value = handle_->GetNewV8Handle(false);
   v8::Handle<v8::Object> obj = value->ToObject();
 
@@ -1745,7 +1750,7 @@ CefRefPtr<CefBase> CefV8ValueImpl::GetUserData() {
 int CefV8ValueImpl::GetExternallyAllocatedMemory() {
   CEF_V8_REQUIRE_OBJECT_RETURN(0);
 
-  v8::HandleScope handle_scope;
+  v8::HandleScope handle_scope(handle_->isolate());
   v8::Handle<v8::Value> value = handle_->GetNewV8Handle(false);
   v8::Handle<v8::Object> obj = value->ToObject();
 
@@ -1759,7 +1764,7 @@ int CefV8ValueImpl::GetExternallyAllocatedMemory() {
 int CefV8ValueImpl::AdjustExternallyAllocatedMemory(int change_in_bytes) {
   CEF_V8_REQUIRE_OBJECT_RETURN(0);
 
-  v8::HandleScope handle_scope;
+  v8::HandleScope handle_scope(handle_->isolate());
   v8::Handle<v8::Value> value = handle_->GetNewV8Handle(false);
   v8::Handle<v8::Object> obj = value->ToObject();
 
@@ -1773,7 +1778,7 @@ int CefV8ValueImpl::AdjustExternallyAllocatedMemory(int change_in_bytes) {
 int CefV8ValueImpl::GetArrayLength() {
   CEF_V8_REQUIRE_OBJECT_RETURN(0);
 
-  v8::HandleScope handle_scope;
+  v8::HandleScope handle_scope(handle_->isolate());
   v8::Handle<v8::Value> value = handle_->GetNewV8Handle(false);
   if (!value->IsArray()) {
     NOTREACHED() << "V8 value is not an array";
@@ -1789,7 +1794,7 @@ CefString CefV8ValueImpl::GetFunctionName() {
   CefString rv;
   CEF_V8_REQUIRE_OBJECT_RETURN(rv);
 
-  v8::HandleScope handle_scope;
+  v8::HandleScope handle_scope(handle_->isolate());
   v8::Handle<v8::Value> value = handle_->GetNewV8Handle(false);
   if (!value->IsFunction()) {
     NOTREACHED() << "V8 value is not a function";
@@ -1805,7 +1810,7 @@ CefString CefV8ValueImpl::GetFunctionName() {
 CefRefPtr<CefV8Handler> CefV8ValueImpl::GetFunctionHandler() {
   CEF_V8_REQUIRE_OBJECT_RETURN(NULL);
 
-  v8::HandleScope handle_scope;
+  v8::HandleScope handle_scope(handle_->isolate());
   v8::Handle<v8::Value> value = handle_->GetNewV8Handle(false);
   if (!value->IsFunction()) {
     NOTREACHED() << "V8 value is not a function";
@@ -1834,7 +1839,7 @@ CefRefPtr<CefV8Value> CefV8ValueImpl::ExecuteFunctionWithContext(
       const CefV8ValueList& arguments)  {
   CEF_V8_REQUIRE_OBJECT_RETURN(NULL);
 
-  v8::HandleScope handle_scope;
+  v8::HandleScope handle_scope(handle_->isolate());
   v8::Handle<v8::Value> value = handle_->GetNewV8Handle(false);
   if (!value->IsFunction()) {
     NOTREACHED() << "V8 value is not a function";
@@ -1899,7 +1904,8 @@ CefRefPtr<CefV8Value> CefV8ValueImpl::ExecuteFunctionWithContext(
     try_catch.SetVerbose(true);
 
     v8::Local<v8::Value> func_rv =
-        CallV8Function(context_local, func, recv, argc, argv);
+        CallV8Function(context_local, func, recv, argc, argv,
+                       handle_->isolate());
 
     if (!HasCaught(try_catch) && !func_rv.IsEmpty())
       retval = new CefV8ValueImpl(func_rv);
@@ -1931,7 +1937,7 @@ bool CefV8ValueImpl::HasCaught(v8::TryCatch& try_catch) {
 CefRefPtr<CefV8StackTrace> CefV8StackTrace::GetCurrent(int frame_limit) {
   CEF_V8_REQUIRE_ISOLATE_RETURN(NULL);
 
-  v8::HandleScope handle_scope;
+  v8::HandleScope handle_scope(v8::Isolate::GetCurrent());
   v8::Handle<v8::StackTrace> stackTrace =
         v8::StackTrace::CurrentStackTrace(
             frame_limit, v8::StackTrace::kDetailed);
diff --git a/libcef/renderer/v8_impl.h b/libcef/renderer/v8_impl.h
index a98a642bb..3a4a1c9b3 100644
--- a/libcef/renderer/v8_impl.h
+++ b/libcef/renderer/v8_impl.h
@@ -131,7 +131,7 @@ class CefV8Handle : public CefV8HandleBase {
         handle_(isolate(), v) {
   }
   virtual ~CefV8Handle() {
-    handle_.Dispose(isolate());
+    handle_.Reset();
     handle_.Clear();
   }
 
diff --git a/libcef/renderer/webkit_glue.cc b/libcef/renderer/webkit_glue.cc
index fd23be401..ca12585f2 100644
--- a/libcef/renderer/webkit_glue.cc
+++ b/libcef/renderer/webkit_glue.cc
@@ -3,6 +3,10 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
+// MSVC++ requires this to be set before any other includes to get M_PI.
+// Otherwise there will be compile errors in wtf/MathExtras.h.
+#define _USE_MATH_DEFINES
+
 #include "libcef/renderer/webkit_glue.h"
 
 #include "base/compiler_specific.h"
@@ -11,6 +15,7 @@
 
 #include "config.h"
 MSVC_PUSH_WARNING_LEVEL(0);
+#include "bindings/v8/V8Binding.h"
 #include "bindings/v8/ScriptController.h"
 #include "core/history/BackForwardController.h"
 #include "core/page/Page.h"
@@ -53,6 +58,11 @@ void GoForward(WebKit::WebView* view) {
     controller.goForward();
 }
 
+v8::Isolate* GetV8Isolate(WebKit::WebFrame* frame) {
+  WebKit::WebFrameImpl* impl = static_cast<WebKit::WebFrameImpl*>(frame);
+  return WebCore::toIsolate(impl->frame());
+}
+
 v8::Handle<v8::Context> GetV8Context(WebKit::WebFrame* frame) {
   WebKit::WebFrameImpl* impl = static_cast<WebKit::WebFrameImpl*>(frame);
   return WebCore::ScriptController::mainWorldContext(impl->frame());
diff --git a/libcef/renderer/webkit_glue.h b/libcef/renderer/webkit_glue.h
index e705700a5..71b8adbcf 100644
--- a/libcef/renderer/webkit_glue.h
+++ b/libcef/renderer/webkit_glue.h
@@ -22,6 +22,9 @@ bool CanGoForward(WebKit::WebView* view);
 void GoBack(WebKit::WebView* view);
 void GoForward(WebKit::WebView* view);
 
+// Retrieve the V8 isolate associated with the frame.
+v8::Isolate* GetV8Isolate(WebKit::WebFrame* frame);
+
 // Retrieve the V8 context associated with the frame.
 v8::Handle<v8::Context> GetV8Context(WebKit::WebFrame* frame);
 
diff --git a/patch/patches/gyp_331.patch b/patch/patches/gyp_331.patch
index 32c59a669..09d6b6b00 100644
--- a/patch/patches/gyp_331.patch
+++ b/patch/patches/gyp_331.patch
@@ -1,8 +1,8 @@
 Index: gyp/generator/ninja.py
 ===================================================================
---- gyp/generator/ninja.py	(revision 1693)
+--- gyp/generator/ninja.py	(revision 1735)
 +++ gyp/generator/ninja.py	(working copy)
-@@ -705,7 +705,16 @@
+@@ -722,7 +722,16 @@
        for path in copy['files']:
          # Normalize the path so trailing slashes don't confuse us.
          path = os.path.normpath(path)
diff --git a/patch/patches/message_loop_443.patch b/patch/patches/message_loop_443.patch
index 64a280277..cda9e2d8d 100644
--- a/patch/patches/message_loop_443.patch
+++ b/patch/patches/message_loop_443.patch
@@ -1,8 +1,8 @@
 Index: message_loop.cc
 ===================================================================
---- message_loop.cc	(revision 217791)
+--- message_loop.cc	(revision 224845)
 +++ message_loop.cc	(working copy)
-@@ -197,7 +197,7 @@
+@@ -201,7 +201,7 @@
  MessageLoop::~MessageLoop() {
    DCHECK_EQ(this, current());
  
diff --git a/patch/patches/spi_webcore_364.patch b/patch/patches/spi_webcore_364.patch
index 547c33132..7ea5b0214 100644
--- a/patch/patches/spi_webcore_364.patch
+++ b/patch/patches/spi_webcore_364.patch
@@ -1,25 +1,23 @@
 Index: page/FrameView.cpp
 ===================================================================
---- page/FrameView.cpp	(revision 157102)
+--- page/FrameView.cpp	(revision 158192)
 +++ page/FrameView.cpp	(working copy)
-@@ -187,10 +187,12 @@
-     if (!page)
+@@ -189,8 +189,10 @@
+     if (!isMainFrame())
          return;
  
 +#if 0
-     if (m_frame == page->mainFrame()) {
-         ScrollableArea::setVerticalScrollElasticity(ScrollElasticityAllowed);
-         ScrollableArea::setHorizontalScrollElasticity(ScrollElasticityAllowed);
-     }
+     ScrollableArea::setVerticalScrollElasticity(ScrollElasticityAllowed);
+     ScrollableArea::setHorizontalScrollElasticity(ScrollElasticityAllowed);
 +#endif
  }
  
  PassRefPtr<FrameView> FrameView::create(Frame* frame)
 Index: platform/mac/NSScrollerImpDetails.mm
 ===================================================================
---- platform/mac/NSScrollerImpDetails.mm	(revision 157102)
+--- platform/mac/NSScrollerImpDetails.mm	(revision 158192)
 +++ platform/mac/NSScrollerImpDetails.mm	(working copy)
-@@ -33,6 +33,7 @@
+@@ -34,6 +34,7 @@
  
  bool isScrollbarOverlayAPIAvailable()
  {
@@ -27,7 +25,7 @@ Index: platform/mac/NSScrollerImpDetails.mm
      static bool apiAvailable;
      static bool shouldInitialize = true;
      if (shouldInitialize) {
-@@ -43,6 +44,9 @@
+@@ -44,6 +45,9 @@
                         && [scrollerImpPairClass instancesRespondToSelector:@selector(scrollerStyle)];
      }
      return apiAvailable;
diff --git a/patch/patches/webkit_933.patch b/patch/patches/webkit_933.patch
index da9302632..0e0ef1700 100644
--- a/patch/patches/webkit_933.patch
+++ b/patch/patches/webkit_933.patch
@@ -1,8 +1,8 @@
 Index: WebNode.cpp
 ===================================================================
---- WebNode.cpp	(revision 156144)
+--- WebNode.cpp	(revision 158192)
 +++ WebNode.cpp	(working copy)
-@@ -176,7 +176,7 @@
+@@ -175,7 +175,7 @@
  void WebNode::addEventListener(const WebString& eventType, WebDOMEventListener* listener, bool useCapture)
  {
      // Please do not add more eventTypes to this list without an API review.
diff --git a/patch/patches/webkit_popups.patch b/patch/patches/webkit_popups.patch
index 1823aaa7c..fc687df3a 100644
--- a/patch/patches/webkit_popups.patch
+++ b/patch/patches/webkit_popups.patch
@@ -1,6 +1,6 @@
 Index: public/web/WebView.h
 ===================================================================
---- public/web/WebView.h	(revision 157102)
+--- public/web/WebView.h	(revision 158192)
 +++ public/web/WebView.h	(working copy)
 @@ -444,6 +444,7 @@
  
@@ -12,9 +12,9 @@ Index: public/web/WebView.h
      // Visited link state --------------------------------------------------
 Index: Source/web/ChromeClientImpl.cpp
 ===================================================================
---- Source/web/ChromeClientImpl.cpp	(revision 157102)
+--- Source/web/ChromeClientImpl.cpp	(revision 158192)
 +++ Source/web/ChromeClientImpl.cpp	(working copy)
-@@ -887,7 +887,7 @@
+@@ -878,7 +878,7 @@
  
  PassRefPtr<PopupMenu> ChromeClientImpl::createPopupMenu(Frame& frame, PopupMenuClient* client) const
  {
@@ -25,9 +25,9 @@ Index: Source/web/ChromeClientImpl.cpp
      return adoptRef(new PopupMenuChromium(frame, client));
 Index: Source/web/WebViewImpl.cpp
 ===================================================================
---- Source/web/WebViewImpl.cpp	(revision 157102)
+--- Source/web/WebViewImpl.cpp	(revision 158192)
 +++ Source/web/WebViewImpl.cpp	(working copy)
-@@ -394,6 +394,7 @@
+@@ -397,6 +397,7 @@
      , m_fakePageScaleAnimationPageScaleFactor(0)
      , m_fakePageScaleAnimationUseAnchor(false)
      , m_contextMenuAllowed(false)
@@ -35,7 +35,7 @@ Index: Source/web/WebViewImpl.cpp
      , m_doingDragAndDrop(false)
      , m_ignoreInputEvents(false)
      , m_suppressNextKeypressEvent(false)
-@@ -3671,9 +3672,14 @@
+@@ -3709,9 +3710,14 @@
      updateLayerTreeViewport();
  }
  
@@ -53,7 +53,7 @@ Index: Source/web/WebViewImpl.cpp
  void WebViewImpl::startDragging(Frame* frame,
 Index: Source/web/WebViewImpl.h
 ===================================================================
---- Source/web/WebViewImpl.h	(revision 157102)
+--- Source/web/WebViewImpl.h	(revision 158192)
 +++ Source/web/WebViewImpl.h	(working copy)
 @@ -422,7 +422,8 @@
  
@@ -65,7 +65,7 @@ Index: Source/web/WebViewImpl.h
  
      bool contextMenuAllowed() const
      {
-@@ -720,6 +721,8 @@
+@@ -723,6 +724,8 @@
  
      bool m_contextMenuAllowed;
  
diff --git a/tests/unittests/os_rendering_unittest.cc b/tests/unittests/os_rendering_unittest.cc
index 737dfed5d..245ff6315 100644
--- a/tests/unittests/os_rendering_unittest.cc
+++ b/tests/unittests/os_rendering_unittest.cc
@@ -11,8 +11,8 @@
 #include "tests/unittests/test_handler.h"
 
 #include "base/logging.h"
-#include "ui/base/keycodes/keyboard_codes.h"
-#include "ui/base/keycodes/keyboard_code_conversion.h"
+#include "ui/events/keycodes/keyboard_codes.h"
+#include "ui/events/keycodes/keyboard_code_conversion.h"
 
 #if defined(OS_MACOSX)
 #include "tests/unittests/os_rendering_unittest_mac.h"
diff --git a/tests/unittests/os_rendering_unittest_mac.h b/tests/unittests/os_rendering_unittest_mac.h
index 011580e56..8f047be33 100644
--- a/tests/unittests/os_rendering_unittest_mac.h
+++ b/tests/unittests/os_rendering_unittest_mac.h
@@ -6,7 +6,7 @@
 #define CEF_TESTS_UNITTESTS_OS_RENDERING_UNITTEST_MAC_H_
 
 #include "include/cef_base.h"
-#include "ui/base/keycodes/keyboard_codes.h"
+#include "ui/events/keycodes/keyboard_codes.h"
 
 namespace osr_unittests {
 
diff --git a/tests/unittests/os_rendering_unittest_mac.mm b/tests/unittests/os_rendering_unittest_mac.mm
index b76a22896..821edbd1a 100644
--- a/tests/unittests/os_rendering_unittest_mac.mm
+++ b/tests/unittests/os_rendering_unittest_mac.mm
@@ -7,7 +7,7 @@
 
 #include "os_rendering_unittest_mac.h"
 
-#include "ui/base/keycodes/keyboard_code_conversion_mac.h"
+#include "ui/events/keycodes/keyboard_code_conversion_mac.h"
 
 #include "include/cef_base.h"