diff --git a/CHROMIUM_BUILD_COMPATIBILITY.txt b/CHROMIUM_BUILD_COMPATIBILITY.txt
index b9d97f9f6..bb5b0bb72 100644
--- a/CHROMIUM_BUILD_COMPATIBILITY.txt
+++ b/CHROMIUM_BUILD_COMPATIBILITY.txt
@@ -7,5 +7,5 @@
 # https://bitbucket.org/chromiumembedded/cef/wiki/BranchesAndBuilding
 
 {
-  'chromium_checkout': 'refs/tags/53.0.2785.8',
+  'chromium_checkout': 'refs/tags/53.0.2785.46',
 }
diff --git a/cef.gyp b/cef.gyp
index 7f96fe546..19dc8248b 100644
--- a/cef.gyp
+++ b/cef.gyp
@@ -961,9 +961,6 @@
         '<(DEPTH)/cef/libcef/resources/grit_stub/chrome',
         '<(grit_out_dir)',
         '<(SHARED_INTERMEDIATE_DIR)/chrome',
-        '<(SHARED_INTERMEDIATE_DIR)/components',
-        '<(SHARED_INTERMEDIATE_DIR)/ui/resources',
-        '<(SHARED_INTERMEDIATE_DIR)/ui/strings',
       ],
       'dependencies': [
         '<(DEPTH)/base/base.gyp:base',
diff --git a/libcef/browser/browser_main_win.cc b/libcef/browser/browser_main_win.cc
index ce0443411..0c4bbe579 100644
--- a/libcef/browser/browser_main_win.cc
+++ b/libcef/browser/browser_main_win.cc
@@ -8,10 +8,10 @@
 
 #include "libcef/browser/browser_main.h"
 
+#include "cef/grit/cef_strings.h"
 #include "chrome/common/chrome_utility_messages.h"
 #include "content/public/browser/utility_process_host.h"
 #include "content/public/browser/utility_process_host_client.h"
-#include "grit/cef_strings.h"
 #include "ui/base/l10n/l10n_util.h"
 #include "ui/gfx/win/direct_write.h"
 
diff --git a/libcef/browser/devtools_delegate.cc b/libcef/browser/devtools_delegate.cc
index 785094aa6..8edfb8f54 100644
--- a/libcef/browser/devtools_delegate.cc
+++ b/libcef/browser/devtools_delegate.cc
@@ -18,6 +18,7 @@
 #include "base/strings/utf_string_conversions.h"
 #include "content/public/browser/devtools_agent_host.h"
 #include "base/time/time.h"
+#include "cef/grit/cef_resources.h"
 #include "components/devtools_discovery/basic_target_descriptor.h"
 #include "components/devtools_discovery/devtools_discovery_manager.h"
 #include "content/public/browser/devtools_frontend_host.h"
@@ -29,7 +30,6 @@
 #include "content/public/browser/web_contents_delegate.h"
 #include "content/public/common/content_switches.h"
 #include "content/public/common/url_constants.h"
-#include "grit/cef_resources.h"
 #include "net/base/net_errors.h"
 #include "net/socket/tcp_server_socket.h"
 #include "ui/base/layout.h"
diff --git a/libcef/browser/extensions/pdf_extension_util.cc b/libcef/browser/extensions/pdf_extension_util.cc
index de5b460b1..94d6a88c1 100644
--- a/libcef/browser/extensions/pdf_extension_util.cc
+++ b/libcef/browser/extensions/pdf_extension_util.cc
@@ -5,7 +5,7 @@
 #include "libcef/browser/extensions/pdf_extension_util.h"
 
 #include "base/strings/string_util.h"
-#include "grit/cef_resources.h"
+#include "cef/grit/cef_resources.h"
 #include "ui/base/resource/resource_bundle.h"
 
 namespace extensions {
diff --git a/libcef/browser/menu_manager.cc b/libcef/browser/menu_manager.cc
index 4a2858eb9..7d9c3a3e2 100644
--- a/libcef/browser/menu_manager.cc
+++ b/libcef/browser/menu_manager.cc
@@ -14,10 +14,10 @@
 
 #include "base/compiler_specific.h"
 #include "base/logging.h"
+#include "cef/grit/cef_strings.h"
 #include "content/public/browser/render_frame_host.h"
 #include "content/public/browser/render_process_host.h"
 #include "content/public/browser/render_widget_host_view.h"
-#include "grit/cef_strings.h"
 
 namespace {
 
diff --git a/libcef/browser/native/file_dialog_runner_mac.mm b/libcef/browser/native/file_dialog_runner_mac.mm
index de46b9ba9..3e3a608ef 100644
--- a/libcef/browser/native/file_dialog_runner_mac.mm
+++ b/libcef/browser/native/file_dialog_runner_mac.mm
@@ -16,8 +16,8 @@
 #include "base/strings/sys_string_conversions.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/threading/thread_restrictions.h"
+#include "cef/grit/cef_strings.h"
 #include "content/public/common/file_chooser_params.h"
-#include "grit/cef_strings.h"
 #include "net/base/mime_util.h"
 #include "ui/base/l10n/l10n_util.h"
 #include "ui/strings/grit/ui_strings.h"
diff --git a/libcef/browser/native/file_dialog_runner_win.cc b/libcef/browser/native/file_dialog_runner_win.cc
index c193ceea5..14247a089 100644
--- a/libcef/browser/native/file_dialog_runner_win.cc
+++ b/libcef/browser/native/file_dialog_runner_win.cc
@@ -16,7 +16,7 @@
 #include "base/strings/utf_string_conversions.h"
 #include "base/win/registry.h"
 #include "base/win/scoped_comptr.h"
-#include "grit/cef_strings.h"
+#include "cef/grit/cef_strings.h"
 #include "net/base/mime_util.h"
 #include "ui/base/l10n/l10n_util.h"
 #include "ui/base/win/shell.h"
diff --git a/libcef/browser/net/chrome_scheme_handler.cc b/libcef/browser/net/chrome_scheme_handler.cc
index ad378d4d3..05619a730 100644
--- a/libcef/browser/net/chrome_scheme_handler.cc
+++ b/libcef/browser/net/chrome_scheme_handler.cc
@@ -26,12 +26,12 @@
 #include "base/strings/stringprintf.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/values.h"
+#include "cef/grit/cef_resources.h"
+#include "components/grit/components_resources.h"
 #include "content/browser/net/view_http_cache_job_factory.h"
 #include "content/browser/net/view_blob_internals_job_factory.h"
 #include "content/public/common/url_constants.h"
 #include "content/public/common/user_agent.h"
-#include "grit/cef_resources.h"
-#include "grit/components_resources.h"
 #include "ipc/ipc_channel.h"
 #include "net/url_request/url_request.h"
 #include "ui/base/webui/web_ui_util.h"
diff --git a/libcef/browser/net/devtools_scheme_handler.cc b/libcef/browser/net/devtools_scheme_handler.cc
index 9e8b0ccd0..61d5920bc 100644
--- a/libcef/browser/net/devtools_scheme_handler.cc
+++ b/libcef/browser/net/devtools_scheme_handler.cc
@@ -11,8 +11,8 @@
 
 #include "base/memory/ptr_util.h"
 #include "base/strings/string_util.h"
+#include "blink/grit/devtools_resources_map.h"
 #include "content/public/common/url_constants.h"
-#include "grit/devtools_resources_map.h"
 
 namespace scheme {
 
diff --git a/libcef/browser/osr/render_widget_host_view_osr.cc b/libcef/browser/osr/render_widget_host_view_osr.cc
index d698651ff..a2075c8e6 100644
--- a/libcef/browser/osr/render_widget_host_view_osr.cc
+++ b/libcef/browser/osr/render_widget_host_view_osr.cc
@@ -45,12 +45,6 @@ const float kDefaultScaleFactor = 1.0;
 // The maximum number of retry counts if frame capture fails.
 const int kFrameRetryLimit = 2;
 
-// When accelerated compositing is enabled and a widget resize is pending,
-// we delay further resizes of the UI. The following constant is the maximum
-// length of time that we should delay further UI resizes while waiting for a
-// resized frame from a renderer.
-const int kResizeLockTimeoutMs = 67;
-
 static blink::WebScreenInfo webScreenInfoFrom(const CefScreenInfo& src) {
   blink::WebScreenInfo webScreenInfo;
   webScreenInfo.deviceScaleFactor = src.device_scale_factor;
@@ -67,6 +61,14 @@ static blink::WebScreenInfo webScreenInfoFrom(const CefScreenInfo& src) {
   return webScreenInfo;
 }
 
+#if !defined(OS_MACOSX)
+
+// When accelerated compositing is enabled and a widget resize is pending,
+// we delay further resizes of the UI. The following constant is the maximum
+// length of time that we should delay further UI resizes while waiting for a
+// resized frame from a renderer.
+const int kResizeLockTimeoutMs = 67;
+
 // Used to prevent further resizes while a resize is pending.
 class CefResizeLock : public content::ResizeLock {
  public:
@@ -124,6 +126,8 @@ class CefResizeLock : public content::ResizeLock {
   DISALLOW_COPY_AND_ASSIGN(CefResizeLock);
 };
 
+#endif  // !defined(OS_MACOSX)
+
 }  // namespace
 
 // Used for managing copy requests when GPU compositing is enabled. Based on
@@ -202,8 +206,7 @@ class CefCopyFrameGenerator {
             damage_rect));
 
     request->set_area(gfx::Rect(view_->GetPhysicalBackingSize()));
-    view_->DelegatedFrameHostGetLayer()->RequestCopyOfOutput(
-        std::move(request));
+    view_->GetRootLayer()->RequestCopyOfOutput(std::move(request));
   }
 
   void CopyFromCompositingSurfaceHasResult(
@@ -1035,10 +1038,7 @@ CefRenderWidgetHostViewOSR::CreateSoftwareOutputDevice(
   return base::WrapUnique(software_output_device_);
 }
 
-int CefRenderWidgetHostViewOSR::DelegatedFrameHostGetGpuMemoryBufferClientId()
-    const {
-  return render_widget_host_->GetProcess()->GetID();
-}
+#if !defined(OS_MACOSX)
 
 ui::Layer* CefRenderWidgetHostViewOSR::DelegatedFrameHostGetLayer() const {
   return GetRootLayer();
@@ -1118,6 +1118,12 @@ void CefRenderWidgetHostViewOSR::SetBeginFrameSource(
   // See https://codereview.chromium.org/1841083007.
 }
 
+bool CefRenderWidgetHostViewOSR::IsAutoResizeEnabled() const {
+  return render_widget_host_->auto_resize_enabled();
+}
+
+#endif  // !defined(OS_MACOSX)
+
 bool CefRenderWidgetHostViewOSR::InstallTransparency() {
   if (transparent_) {
     SetBackgroundColor(SkColor());
@@ -1332,18 +1338,20 @@ void CefRenderWidgetHostViewOSR::RemoveGuestHostView(
 }
 
 #if !defined(OS_MACOSX)
+
 ui::Compositor* CefRenderWidgetHostViewOSR::GetCompositor() const {
   return compositor_.get();
 }
 
+ui::Layer* CefRenderWidgetHostViewOSR::GetRootLayer() const {
+  return root_layer_.get();
+}
+
 content::DelegatedFrameHost* CefRenderWidgetHostViewOSR::GetDelegatedFrameHost()
     const {
   return delegated_frame_host_.get();
 }
 
-ui::Layer* CefRenderWidgetHostViewOSR::GetRootLayer() const {
-  return root_layer_.get();
-}
 #endif  // !defined(OS_MACOSX)
 
 void CefRenderWidgetHostViewOSR::SetFrameRate() {
diff --git a/libcef/browser/osr/render_widget_host_view_osr.h b/libcef/browser/osr/render_widget_host_view_osr.h
index 8a04850c4..154ba3e01 100644
--- a/libcef/browser/osr/render_widget_host_view_osr.h
+++ b/libcef/browser/osr/render_widget_host_view_osr.h
@@ -76,13 +76,16 @@ class CefWindowX11;
 ///////////////////////////////////////////////////////////////////////////////
 
 #if defined(OS_MACOSX)
-class AcceleratedWidgetMacNSViewHelper;
+class MacHelper;
 #endif
 
 class CefRenderWidgetHostViewOSR
     : public content::RenderWidgetHostViewBase,
-      public ui::CompositorDelegate,
-      public content::DelegatedFrameHostClient {
+      public ui::CompositorDelegate
+#if !defined(OS_MACOSX)
+      , public content::DelegatedFrameHostClient
+#endif
+{
  public:
   CefRenderWidgetHostViewOSR(const bool transparent,
                              content::RenderWidgetHost* widget,
@@ -190,8 +193,8 @@ class CefRenderWidgetHostViewOSR
   std::unique_ptr<cc::SoftwareOutputDevice> CreateSoftwareOutputDevice(
       ui::Compositor* compositor) override;
 
+#if !defined(OS_MACOSX)
   // DelegatedFrameHostClient implementation.
-  virtual int DelegatedFrameHostGetGpuMemoryBufferClientId() const override;
   ui::Layer* DelegatedFrameHostGetLayer() const override;
   bool DelegatedFrameHostIsVisible() const override;
   SkColor DelegatedFrameHostGetGutterColor(SkColor color) const override;
@@ -211,6 +214,8 @@ class CefRenderWidgetHostViewOSR
       const base::TimeTicks& timebase,
       const base::TimeDelta& interval) override;
   void SetBeginFrameSource(cc::BeginFrameSource* source) override;
+  bool IsAutoResizeEnabled() const override;
+#endif  // !defined(OS_MACOSX)
 
   bool InstallTransparency();
 
@@ -267,10 +272,10 @@ class CefRenderWidgetHostViewOSR
   ui::Compositor* GetCompositor() const;
   content::RenderWidgetHostImpl* render_widget_host() const
       { return render_widget_host_; }
+  ui::Layer* GetRootLayer() const;
 
  private:
   content::DelegatedFrameHost* GetDelegatedFrameHost() const;
-  ui::Layer* GetRootLayer() const;
 
   void SetFrameRate();
   void SetDeviceScaleFactor();
@@ -286,7 +291,7 @@ class CefRenderWidgetHostViewOSR
   void OnScrollOffsetChanged();
 
 #if defined(OS_MACOSX)
-  friend class AcceleratedWidgetMacNSViewHelper;
+  friend class MacHelper;
 
   // Returns composition character boundary rectangle. The |range| is
   // composition based range. Also stores |actual_range| which is corresponding
@@ -334,7 +339,7 @@ class CefRenderWidgetHostViewOSR
   NSWindow* window_;
   CALayer* background_layer_;
   std::unique_ptr<content::BrowserCompositorMac> browser_compositor_;
-  AcceleratedWidgetMacNSViewHelper* accelerated_widget_helper_;
+  MacHelper* mac_helper_;
 #elif defined(USE_X11)
   CefWindowX11* window_;
   std::unique_ptr<ui::XScopedCursor> invisible_cursor_;
diff --git a/libcef/browser/osr/render_widget_host_view_osr_mac.mm b/libcef/browser/osr/render_widget_host_view_osr_mac.mm
index 16549d6a3..76917669e 100644
--- a/libcef/browser/osr/render_widget_host_view_osr_mac.mm
+++ b/libcef/browser/osr/render_widget_host_view_osr_mac.mm
@@ -32,12 +32,67 @@ CefTextInputClientOSRMac* GetInputClientFromContext(
 }  // namespace
 
 
-class AcceleratedWidgetMacNSViewHelper : public ui::AcceleratedWidgetMacNSView {
+class MacHelper :
+  public content::BrowserCompositorMacClient,
+  public ui::AcceleratedWidgetMacNSView {
  public:
-  explicit AcceleratedWidgetMacNSViewHelper(CefRenderWidgetHostViewOSR* view)
+  explicit MacHelper(CefRenderWidgetHostViewOSR* view)
     : view_(view) {
   }
-  virtual ~AcceleratedWidgetMacNSViewHelper() {}
+  virtual ~MacHelper() {}
+
+  // BrowserCompositorMacClient methods:
+
+  NSView* BrowserCompositorMacGetNSView() const override {
+    // Intentionally return nil so that
+    // BrowserCompositorMac::DelegatedFrameHostDesiredSizeInDIP uses the layer
+    // size instead of the NSView size.
+    return nil;
+  }
+
+  SkColor BrowserCompositorMacGetGutterColor(SkColor color) const override {
+    // When making an element on the page fullscreen the element's background
+    // may not match the page's, so use black as the gutter color to avoid
+    // flashes of brighter colors during the transition.
+    if (view_->render_widget_host()->delegate() &&
+        view_->render_widget_host()->delegate()->IsFullscreenForCurrentTab()) {
+      return SK_ColorBLACK;
+    }
+    return color;
+  }
+
+  void BrowserCompositorMacSendCompositorSwapAck(
+      int output_surface_id,
+      const cc::CompositorFrameAck& ack) override {
+    view_->render_widget_host()->Send(new ViewMsg_SwapCompositorFrameAck(
+       view_->render_widget_host()->GetRoutingID(), output_surface_id, ack));
+  }
+
+  void BrowserCompositorMacSendReclaimCompositorResources(
+      int output_surface_id,
+      const cc::CompositorFrameAck& ack) override {
+    view_->render_widget_host()->Send(new ViewMsg_ReclaimCompositorResources(
+        view_->render_widget_host()->GetRoutingID(), output_surface_id, ack));
+  }
+
+  void BrowserCompositorMacOnLostCompositorResources() override {
+    view_->render_widget_host()->ScheduleComposite();
+  }
+
+  void BrowserCompositorMacUpdateVSyncParameters(
+      const base::TimeTicks& timebase,
+      const base::TimeDelta& interval) override {
+    view_->render_widget_host()->UpdateVSyncParameters(timebase, interval);
+  }
+
+  void BrowserCompositorMacSendBeginFrame(
+      const cc::BeginFrameArgs& args) override {
+    view_->render_widget_host()->Send(
+      new ViewMsg_BeginFrame(view_->render_widget_host()->GetRoutingID(),
+                             args));
+  }
+
+  // AcceleratedWidgetMacNSView methods:
 
   NSView* AcceleratedWidgetGetNSView() const override {
     return [view_->window_ contentView];
@@ -56,7 +111,7 @@ class AcceleratedWidgetMacNSViewHelper : public ui::AcceleratedWidgetMacNSView {
   // Guaranteed to outlive this object.
   CefRenderWidgetHostViewOSR* view_;
 
-  DISALLOW_COPY_AND_ASSIGN(AcceleratedWidgetMacNSViewHelper);
+  DISALLOW_COPY_AND_ASSIGN(MacHelper);
 };
 
 
@@ -311,15 +366,15 @@ ui::Compositor* CefRenderWidgetHostViewOSR::GetCompositor() const {
   return browser_compositor_->GetCompositor();
 }
 
+ui::Layer* CefRenderWidgetHostViewOSR::GetRootLayer() const {
+  return browser_compositor_->GetRootLayer();
+}
+
 content::DelegatedFrameHost* CefRenderWidgetHostViewOSR::GetDelegatedFrameHost()
     const {
   return browser_compositor_->GetDelegatedFrameHost();
 }
 
-ui::Layer* CefRenderWidgetHostViewOSR::GetRootLayer() const {
-  return browser_compositor_->GetRootLayer();
-}
-
 void CefRenderWidgetHostViewOSR::PlatformCreateCompositorWidget() {
   // Create a borderless non-visible 1x1 window.
   window_ = [[NSWindow alloc] initWithContentRect:NSMakeRect(0, 0, 1, 1)
@@ -334,17 +389,14 @@ void CefRenderWidgetHostViewOSR::PlatformCreateCompositorWidget() {
   [content_view setLayer:background_layer_];
   [content_view setWantsLayer:YES];
 
-  accelerated_widget_helper_ = new AcceleratedWidgetMacNSViewHelper(this);
+  mac_helper_ = new MacHelper(this);
   browser_compositor_.reset(new content::BrowserCompositorMac(
-      accelerated_widget_helper_, this, render_widget_host_->is_hidden(),
-      true));
+      mac_helper_, mac_helper_, render_widget_host_->is_hidden(), true));
 }
 
 void CefRenderWidgetHostViewOSR::PlatformDestroyCompositorWidget() {
   DCHECK(window_);
 
-  browser_compositor_->Destroy();
-
   [window_ close];
   window_ = nil;
   [background_layer_ release];
@@ -352,6 +404,6 @@ void CefRenderWidgetHostViewOSR::PlatformDestroyCompositorWidget() {
 
   browser_compositor_.reset();
 
-  delete accelerated_widget_helper_;
-  accelerated_widget_helper_ = nullptr;
+  delete mac_helper_;
+  mac_helper_ = nullptr;
 }
diff --git a/libcef/browser/osr/render_widget_host_view_osr_win.cc b/libcef/browser/osr/render_widget_host_view_osr_win.cc
index f63385065..1f7e0cf2a 100644
--- a/libcef/browser/osr/render_widget_host_view_osr_win.cc
+++ b/libcef/browser/osr/render_widget_host_view_osr_win.cc
@@ -10,8 +10,8 @@
 #include "libcef/browser/browser_host_impl.h"
 #include "libcef/browser/content_browser_client.h"
 
-#include "grit/ui_unscaled_resources.h"
 #include "third_party/WebKit/public/platform/WebCursorInfo.h"
+#include "ui/resources/grit/ui_unscaled_resources.h"
 
 namespace {
 
diff --git a/libcef/browser/prefs/browser_prefs.cc b/libcef/browser/prefs/browser_prefs.cc
index 5d1e502c7..f9a2cae9e 100644
--- a/libcef/browser/prefs/browser_prefs.cc
+++ b/libcef/browser/prefs/browser_prefs.cc
@@ -13,6 +13,7 @@
 #include "base/files/file_path.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/values.h"
+#include "cef/grit/cef_strings.h"
 #include "chrome/browser/prefs/command_line_pref_store.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/pref_names.h"
@@ -29,7 +30,6 @@
 #include "components/update_client/update_client.h"
 #include "content/public/browser/browser_thread.h"
 #include "extensions/browser/extension_prefs.h"
-#include "grit/cef_strings.h"
 #include "ui/base/l10n/l10n_util.h"
 
 namespace browser_prefs {
diff --git a/libcef/common/extensions/extensions_client.cc b/libcef/common/extensions/extensions_client.cc
index 8e90e2756..6ad42b017 100644
--- a/libcef/common/extensions/extensions_client.cc
+++ b/libcef/common/extensions/extensions_client.cc
@@ -11,6 +11,7 @@
 
 #include "base/lazy_instance.h"
 #include "base/logging.h"
+#include "cef/grit/cef_resources.h"
 #include "cef/libcef/common/extensions/api/generated_schemas.h"
 #include "extensions/common/api/generated_schemas.h"
 #include "extensions/common/common_manifest_handlers.h"
@@ -27,8 +28,7 @@
 #include "extensions/common/permissions/permissions_info.h"
 #include "extensions/common/permissions/permissions_provider.h"
 #include "extensions/common/url_pattern_set.h"
-#include "grit/cef_resources.h"
-#include "grit/extensions_resources.h"
+#include "extensions/grit/extensions_resources.h"
 
 namespace extensions {
 
diff --git a/libcef/renderer/plugins/cef_plugin_placeholder.cc b/libcef/renderer/plugins/cef_plugin_placeholder.cc
index 78fffa939..25967b50f 100644
--- a/libcef/renderer/plugins/cef_plugin_placeholder.cc
+++ b/libcef/renderer/plugins/cef_plugin_placeholder.cc
@@ -59,7 +59,7 @@ CefPluginPlaceholder::CefPluginPlaceholder(
       status_(CefViewHostMsg_GetPluginInfo_Status::kAllowed),
       title_(title),
       context_menu_request_id_(0),
-      ignore_updates_(false) {
+      did_send_blocked_content_notification_(false) {
   RenderThread::Get()->AddObserver(this);
 }
 
@@ -285,29 +285,10 @@ blink::WebPlugin* CefPluginPlaceholder::CreatePlugin() {
                                       GetPluginParams(), std::move(throttler));
 }
 
-void CefPluginPlaceholder::OnLoadedRectUpdate(
-    const gfx::Rect& unobscured_rect,
-    content::RenderFrame::PeripheralContentStatus status) {
-  // If the placeholder is in the blocked state, do nothing.
-  if (ignore_updates_)
+void CefPluginPlaceholder::OnBlockedTinyContent() {
+  if (did_send_blocked_content_notification_)
     return;
-
-  // This should only be called once.
-  set_delayed(false);
-
-  // block tiny cross-origin - simply by not continuing the load chain.
-  if (status ==
-      content::RenderFrame::CONTENT_STATUS_ESSENTIAL_CROSS_ORIGIN_TINY) {
-    ignore_updates_ = true;
-    return;
-  }
-
-  // For essential content, powersaver can be turned off.
-  if (status != content::RenderFrame::CONTENT_STATUS_PERIPHERAL)
-    set_power_saver_enabled(false);
-
-  AllowLoading();
-  LoadPlugin();
+  did_send_blocked_content_notification_ = true;
 }
 
 gin::ObjectTemplateBuilder CefPluginPlaceholder::GetObjectTemplateBuilder(
diff --git a/libcef/renderer/plugins/cef_plugin_placeholder.h b/libcef/renderer/plugins/cef_plugin_placeholder.h
index 0e803e00c..9a905fd35 100644
--- a/libcef/renderer/plugins/cef_plugin_placeholder.h
+++ b/libcef/renderer/plugins/cef_plugin_placeholder.h
@@ -52,9 +52,7 @@ class CefPluginPlaceholder final
 
   // content::LoadablePluginPlaceholder overrides:
   blink::WebPlugin* CreatePlugin() override;
-  void OnLoadedRectUpdate(
-      const gfx::Rect& unobscured_rect,
-      content::RenderFrame::PeripheralContentStatus status) override;
+  void OnBlockedTinyContent() override;
 
   // gin::Wrappable (via PluginPlaceholder) method
   gin::ObjectTemplateBuilder GetObjectTemplateBuilder(
@@ -85,7 +83,7 @@ class CefPluginPlaceholder final
   int context_menu_request_id_;  // Nonzero when request pending.
   base::string16 plugin_name_;
 
-  bool ignore_updates_;
+  bool did_send_blocked_content_notification_;
 
   DISALLOW_COPY_AND_ASSIGN(CefPluginPlaceholder);
 };
diff --git a/libcef/renderer/v8_impl.cc b/libcef/renderer/v8_impl.cc
index e3489a7e7..b82aea321 100644
--- a/libcef/renderer/v8_impl.cc
+++ b/libcef/renderer/v8_impl.cc
@@ -2363,13 +2363,9 @@ CefV8StackFrameImpl::CefV8StackFrameImpl(
       is_constructor_(false) {
   if (handle.IsEmpty())
     return;
-  GetCefString(v8::Local<v8::String>::Cast(handle->GetScriptName()),
-      script_name_);
-  GetCefString(
-      v8::Local<v8::String>::Cast(handle->GetScriptNameOrSourceURL()),
-      script_name_or_source_url_);
-  GetCefString(v8::Local<v8::String>::Cast(handle->GetFunctionName()),
-      function_name_);
+  GetCefString(handle->GetScriptName(), script_name_);
+  GetCefString(handle->GetScriptNameOrSourceURL(), script_name_or_source_url_);
+  GetCefString(handle->GetFunctionName(), function_name_);
   line_number_ = handle->GetLineNumber();
   column_ = handle->GetColumn();
   is_eval_ = handle->IsEval();
diff --git a/libcef/resources/grit_stub/chrome/grit/browser_resources.h b/libcef/resources/grit_stub/chrome/grit/browser_resources.h
index 0d2c14a96..0901e5cb7 100644
--- a/libcef/resources/grit_stub/chrome/grit/browser_resources.h
+++ b/libcef/resources/grit_stub/chrome/grit/browser_resources.h
@@ -1,2 +1,2 @@
-#include <grit/cef_resources.h>
-#include <grit/cef_strings.h>
+#include "cef/grit/cef_resources.h"
+#include "cef/grit/cef_strings.h"
diff --git a/libcef/resources/grit_stub/chrome/grit/generated_resources.h b/libcef/resources/grit_stub/chrome/grit/generated_resources.h
index 0d2c14a96..0901e5cb7 100644
--- a/libcef/resources/grit_stub/chrome/grit/generated_resources.h
+++ b/libcef/resources/grit_stub/chrome/grit/generated_resources.h
@@ -1,2 +1,2 @@
-#include <grit/cef_resources.h>
-#include <grit/cef_strings.h>
+#include "cef/grit/cef_resources.h"
+#include "cef/grit/cef_strings.h"
diff --git a/libcef/resources/grit_stub/chrome/grit/locale_settings.h b/libcef/resources/grit_stub/chrome/grit/locale_settings.h
index 0d2c14a96..0901e5cb7 100644
--- a/libcef/resources/grit_stub/chrome/grit/locale_settings.h
+++ b/libcef/resources/grit_stub/chrome/grit/locale_settings.h
@@ -1,2 +1,2 @@
-#include <grit/cef_resources.h>
-#include <grit/cef_strings.h>
+#include "cef/grit/cef_resources.h"
+#include "cef/grit/cef_strings.h"
diff --git a/patch/patches/browser_compositor_mac.patch b/patch/patches/browser_compositor_mac.patch
index 05357d9df..aa158bcd2 100644
--- a/patch/patches/browser_compositor_mac.patch
+++ b/patch/patches/browser_compositor_mac.patch
@@ -1,8 +1,12 @@
 diff --git content/browser/renderer_host/browser_compositor_view_mac.h content/browser/renderer_host/browser_compositor_view_mac.h
-index 552a56b..2a817d8 100644
+index 358adff..73368d7 100644
 --- content/browser/renderer_host/browser_compositor_view_mac.h
 +++ content/browser/renderer_host/browser_compositor_view_mac.h
-@@ -52,6 +52,7 @@ class BrowserCompositorMac {
+@@ -61,9 +61,11 @@ class BrowserCompositorMac : public cc::BeginFrameObserver,
+ 
+   // These will not return nullptr until Destroy is called.
+   DelegatedFrameHost* GetDelegatedFrameHost();
++  ui::Layer* GetRootLayer() { return root_layer_.get(); }
  
    // This may return nullptr, if this has detached itself from its
    // ui::Compositor.
@@ -11,10 +15,10 @@ index 552a56b..2a817d8 100644
  
    void SwapCompositorFrame(uint32_t output_surface_id,
 diff --git content/browser/renderer_host/browser_compositor_view_mac.mm content/browser/renderer_host/browser_compositor_view_mac.mm
-index e9faa0a..931a92f 100644
+index 1a64104..72d69a1 100644
 --- content/browser/renderer_host/browser_compositor_view_mac.mm
 +++ content/browser/renderer_host/browser_compositor_view_mac.mm
-@@ -186,6 +186,12 @@ void BrowserCompositorMac::Destroy() {
+@@ -183,6 +183,12 @@ BrowserCompositorMac::~BrowserCompositorMac() {
      g_spare_recyclable_compositor.Get().reset();
  }
  
@@ -27,3 +31,19 @@ index e9faa0a..931a92f 100644
  ui::AcceleratedWidgetMac* BrowserCompositorMac::GetAcceleratedWidgetMac() {
    if (recyclable_compositor_)
      return recyclable_compositor_->accelerated_widget_mac();
+@@ -394,8 +400,13 @@ SkColor BrowserCompositorMac::DelegatedFrameHostGetGutterColor(
+ }
+ 
+ gfx::Size BrowserCompositorMac::DelegatedFrameHostDesiredSizeInDIP() const {
+-  NSRect bounds = [client_->BrowserCompositorMacGetNSView() bounds];
+-  return gfx::Size(bounds.size.width, bounds.size.height);
++  // View will be nil with CEF OSR.
++  NSView* view = client_->BrowserCompositorMacGetNSView();
++  if (view) {
++    NSRect bounds = [view bounds];
++    return gfx::Size(bounds.size.width, bounds.size.height);
++  }
++  return root_layer_->bounds().size();
+ }
+ 
+ bool BrowserCompositorMac::DelegatedFrameCanCreateResizeLock() const {
diff --git a/patch/patches/browser_frame_host_guest_1687.patch b/patch/patches/browser_frame_host_guest_1687.patch
index 0147bcd18..65c22c3b2 100644
--- a/patch/patches/browser_frame_host_guest_1687.patch
+++ b/patch/patches/browser_frame_host_guest_1687.patch
@@ -1,5 +1,5 @@
 diff --git render_widget_host_view_guest.cc render_widget_host_view_guest.cc
-index b4557c2..6cb6c5a 100644
+index a3062e0..2d78d02 100644
 --- render_widget_host_view_guest.cc
 +++ render_widget_host_view_guest.cc
 @@ -243,6 +243,9 @@ void RenderWidgetHostViewGuest::Destroy() {
diff --git a/patch/patches/browser_web_contents_1257.patch b/patch/patches/browser_web_contents_1257.patch
index 115d12e1b..e7e1a40a5 100644
--- a/patch/patches/browser_web_contents_1257.patch
+++ b/patch/patches/browser_web_contents_1257.patch
@@ -1,5 +1,5 @@
 diff --git web_contents_impl.cc web_contents_impl.cc
-index db8263e..07f1989 100644
+index ed42816..4513f67 100644
 --- web_contents_impl.cc
 +++ web_contents_impl.cc
 @@ -1502,6 +1502,12 @@ void WebContentsImpl::Init(const WebContents::CreateParams& params) {
@@ -23,7 +23,7 @@ index db8263e..07f1989 100644
    CHECK(render_view_host_delegate_view_);
    CHECK(view_.get());
  
-@@ -1977,11 +1984,14 @@ void WebContentsImpl::CreateNewWindow(
+@@ -1991,11 +1998,14 @@ void WebContentsImpl::CreateNewWindow(
        static_cast<SessionStorageNamespaceImpl*>(session_storage_namespace);
    CHECK(session_storage_namespace_impl->IsFromContext(dom_storage_context));
  
@@ -39,7 +39,7 @@ index db8263e..07f1989 100644
      if (route_id != MSG_ROUTING_NONE &&
          !RenderViewHost::FromID(render_process_id, route_id)) {
        // If the embedder didn't create a WebContents for this route, we need to
-@@ -2005,6 +2015,8 @@ void WebContentsImpl::CreateNewWindow(
+@@ -2019,6 +2029,8 @@ void WebContentsImpl::CreateNewWindow(
    create_params.opener_render_process_id = render_process_id;
    create_params.opener_render_frame_id = params.opener_render_frame_id;
    create_params.opener_suppressed = params.opener_suppressed;
diff --git a/patch/patches/content_nav_1129.patch b/patch/patches/content_nav_1129.patch
index 3a424ab7d..1ba51d1a3 100644
--- a/patch/patches/content_nav_1129.patch
+++ b/patch/patches/content_nav_1129.patch
@@ -39,10 +39,10 @@ index 9ad5aef..957ef88 100644
    // built in media player for the given |url|. Defaults to false.
    virtual bool ShouldUseMediaPlayerForURL(const GURL& url);
 diff --git renderer/render_frame_impl.cc renderer/render_frame_impl.cc
-index e4abcb5..399348c 100644
+index faa00b7..9140311 100644
 --- renderer/render_frame_impl.cc
 +++ renderer/render_frame_impl.cc
-@@ -4901,7 +4901,6 @@ WebNavigationPolicy RenderFrameImpl::decidePolicyForNavigation(
+@@ -4909,7 +4909,6 @@ WebNavigationPolicy RenderFrameImpl::decidePolicyForNavigation(
        (pending_navigation_params_ &&
         !pending_navigation_params_->request_params.redirects.empty());
  
@@ -50,7 +50,7 @@ index e4abcb5..399348c 100644
    // The handlenavigation API is deprecated and will be removed once
    // crbug.com/325351 is resolved.
    if (GetContentClient()->renderer()->HandleNavigation(
-@@ -4910,7 +4909,6 @@ WebNavigationPolicy RenderFrameImpl::decidePolicyForNavigation(
+@@ -4918,7 +4917,6 @@ WebNavigationPolicy RenderFrameImpl::decidePolicyForNavigation(
            is_redirect)) {
      return blink::WebNavigationPolicyIgnore;
    }
diff --git a/patch/patches/gn_config.patch b/patch/patches/gn_config.patch
index f87e0b648..a4351255f 100644
--- a/patch/patches/gn_config.patch
+++ b/patch/patches/gn_config.patch
@@ -89,7 +89,6 @@ index 5bfa9a7..5e6e05d 100644
 +         "studio path")
  }
 diff --git build/toolchain/win/setup_toolchain.py build/toolchain/win/setup_toolchain.py
-diff --git build/toolchain/win/setup_toolchain.py build/toolchain/win/setup_toolchain.py
 index d58cb85..c7384b9 100644
 --- build/toolchain/win/setup_toolchain.py
 +++ build/toolchain/win/setup_toolchain.py
diff --git a/patch/patches/render_widget_host_1070383005.patch b/patch/patches/render_widget_host_1070383005.patch
index d749fb98a..a01f40f25 100644
--- a/patch/patches/render_widget_host_1070383005.patch
+++ b/patch/patches/render_widget_host_1070383005.patch
@@ -1,8 +1,8 @@
 diff --git render_widget_host_view_mac.mm render_widget_host_view_mac.mm
-index b7991fa..7e27615 100644
+index 284f4fd..916352f 100644
 --- render_widget_host_view_mac.mm
 +++ render_widget_host_view_mac.mm
-@@ -573,9 +573,6 @@ RenderWidgetHostViewMac::RenderWidgetHostViewMac(RenderWidgetHost* widget,
+@@ -504,9 +504,6 @@ RenderWidgetHostViewMac::RenderWidgetHostViewMac(RenderWidgetHost* widget,
    // Paint this view host with |background_color_| when there is no content
    // ready to draw.
    background_layer_.reset([[CALayer alloc] init]);
diff --git a/patch/patches/views_widget_180_1481_1677_1749.patch b/patch/patches/views_widget_180_1481_1677_1749.patch
index 999bd28b6..68397c59b 100644
--- a/patch/patches/views_widget_180_1481_1677_1749.patch
+++ b/patch/patches/views_widget_180_1481_1677_1749.patch
@@ -1,5 +1,5 @@
 diff --git content/browser/renderer_host/render_widget_host_view_aura.cc content/browser/renderer_host/render_widget_host_view_aura.cc
-index d9b97ff..9ac9883 100644
+index 6f5c6c3..2360cf2 100644
 --- content/browser/renderer_host/render_widget_host_view_aura.cc
 +++ content/browser/renderer_host/render_widget_host_view_aura.cc
 @@ -769,6 +769,13 @@ void RenderWidgetHostViewAura::SetKeyboardFocus() {
diff --git a/patch/patches/webkit_popups.patch b/patch/patches/webkit_popups.patch
index 5f0ae6c80..020568175 100644
--- a/patch/patches/webkit_popups.patch
+++ b/patch/patches/webkit_popups.patch
@@ -1,8 +1,8 @@
 diff --git Source/web/ChromeClientImpl.cpp Source/web/ChromeClientImpl.cpp
-index 6b3b603..0530199 100644
+index 4afc8d8..07eef06 100644
 --- Source/web/ChromeClientImpl.cpp
 +++ Source/web/ChromeClientImpl.cpp
-@@ -883,7 +883,7 @@ bool ChromeClientImpl::hasOpenedPopup() const
+@@ -886,7 +886,7 @@ bool ChromeClientImpl::hasOpenedPopup() const
  PopupMenu* ChromeClientImpl::openPopupMenu(LocalFrame& frame, HTMLSelectElement& select)
  {
      notifyPopupOpeningObservers();
diff --git a/tests/unittests/os_rendering_unittest.cc b/tests/unittests/os_rendering_unittest.cc
index 85557015f..2729cec22 100644
--- a/tests/unittests/os_rendering_unittest.cc
+++ b/tests/unittests/os_rendering_unittest.cc
@@ -656,10 +656,7 @@ class OSRTestHandler : public RoutingTestHandler,
 #if defined(OS_MACOSX)
           EXPECT_EQ(0xff5d99d6, *(reinterpret_cast<const uint32*>(buffer)));
 #elif defined(OS_LINUX) || defined(OS_WIN)
-          if (scale_factor_ == 1.0f)
-            EXPECT_EQ(0xff6497ea, *(reinterpret_cast<const uint32*>(buffer)));
-          else if (scale_factor_ == 2.0f)
-            EXPECT_EQ(0xff4d90fe, *(reinterpret_cast<const uint32*>(buffer)));
+          EXPECT_EQ(0xff6497ea, *(reinterpret_cast<const uint32*>(buffer)));
 #else
 #error "Unsupported platform"
 #endif