cef/patch/patches/browser_plugin_guest_1565.patch

diff --git content/browser/browser_plugin/browser_plugin_guest.cc content/browser/browser_plugin/browser_plugin_guest.cc
index 7b85e54..5afa575 100644
--- content/browser/browser_plugin/browser_plugin_guest.cc
+++ content/browser/browser_plugin/browser_plugin_guest.cc
@@ -318,14 +318,20 @@ void BrowserPluginGuest::InitInternal(
           static_cast<WebContentsViewGuest*>(GetWebContents()->GetView());
     }
 
-    if (owner_web_contents_ && new_view)
+    if (owner_web_contents_ && new_view) {
       new_view->OnGuestDetached(owner_web_contents_->GetView());
+      if (delegate_)
+        delegate_->OnGuestDetached(owner_web_contents_->GetView());
+    }
 
     // Once a BrowserPluginGuest has an embedder WebContents, it's considered to
     // be attached.
     owner_web_contents_ = owner_web_contents;
-    if (new_view)
+    if (new_view) {
       new_view->OnGuestAttached(owner_web_contents_->GetView());
+      if (delegate_)
+        delegate_->OnGuestAttached(owner_web_contents_->GetView());
+    }
   }
 
   RendererPreferences* renderer_prefs =
@@ -800,7 +806,8 @@ void BrowserPluginGuest::OnWillAttachComplete(
         static_cast<WebContentsViewGuest*>(GetWebContents()->GetView());
     if (!web_contents()->GetRenderViewHost()->GetWidget()->GetView()) {
       web_contents_view->CreateViewForWidget(
-          web_contents()->GetRenderViewHost()->GetWidget(), true);
+          web_contents()->GetRenderViewHost()->GetWidget(),
+          embedder_web_contents->GetRenderViewHost()->GetWidget());
     }
   }
 
diff --git content/browser/frame_host/interstitial_page_impl.cc content/browser/frame_host/interstitial_page_impl.cc
index 1a04a52..4cfe9aa 100644
--- content/browser/frame_host/interstitial_page_impl.cc
+++ content/browser/frame_host/interstitial_page_impl.cc
@@ -594,7 +594,7 @@ WebContentsView* InterstitialPageImpl::CreateWebContentsView() {
   WebContentsView* wcv =
       static_cast<WebContentsImpl*>(web_contents())->GetView();
   RenderWidgetHostViewBase* view =
-      wcv->CreateViewForWidget(render_view_host_->GetWidget(), false);
+      wcv->CreateViewForWidget(render_view_host_->GetWidget(), nullptr);
   RenderWidgetHostImpl::From(render_view_host_->GetWidget())->SetView(view);
   render_view_host_->GetMainFrame()->AllowBindings(
       BINDINGS_POLICY_DOM_AUTOMATION);
diff --git content/browser/web_contents/web_contents_view.h content/browser/web_contents/web_contents_view.h
index e4401f8..f2fdb9b 100644
--- content/browser/web_contents/web_contents_view.h
+++ content/browser/web_contents/web_contents_view.h
@@ -86,13 +86,9 @@ class WebContentsView {
   // Sets up the View that holds the rendered web page, receives messages for
   // it and contains page plugins. The host view should be sized to the current
   // size of the WebContents.
-  //
-  // |is_guest_view_hack| is temporary hack and will be removed once
-  // RenderWidgetHostViewGuest is not dependent on platform view.
-  // TODO(lazyboy): Remove |is_guest_view_hack| once http://crbug.com/330264 is
-  // fixed.
   virtual RenderWidgetHostViewBase* CreateViewForWidget(
-      RenderWidgetHost* render_widget_host, bool is_guest_view_hack) = 0;
+      RenderWidgetHost* render_widget_host,
+      RenderWidgetHost* embedder_render_widget_host) = 0;
 
   // Creates a new View that holds a popup and receives messages for it.
   virtual RenderWidgetHostViewBase* CreateViewForPopupWidget(
diff --git content/browser/web_contents/web_contents_view_aura.cc content/browser/web_contents/web_contents_view_aura.cc
index 1bfef2c..7555040 100644
--- content/browser/web_contents/web_contents_view_aura.cc
+++ content/browser/web_contents/web_contents_view_aura.cc
@@ -843,7 +843,8 @@ void WebContentsViewAura::CreateView(
 }
 
 RenderWidgetHostViewBase* WebContentsViewAura::CreateViewForWidget(
-    RenderWidgetHost* render_widget_host, bool is_guest_view_hack) {
+    RenderWidgetHost* render_widget_host,
+    RenderWidgetHost* embedder_render_widget_host) {
   if (render_widget_host->GetView()) {
     // During testing, the view will already be set up in most cases to the
     // test view, so we don't want to clobber it with a real one. To verify that
@@ -855,6 +856,7 @@ RenderWidgetHostViewBase* WebContentsViewAura::CreateViewForWidget(
         render_widget_host->GetView());
   }
 
+  const bool is_guest_view_hack = !!embedder_render_widget_host;
   RenderWidgetHostViewAura* view =
       g_create_render_widget_host_view
           ? g_create_render_widget_host_view(render_widget_host,
diff --git content/browser/web_contents/web_contents_view_aura.h content/browser/web_contents/web_contents_view_aura.h
index ed3641c..f8816357 100644
--- content/browser/web_contents/web_contents_view_aura.h
+++ content/browser/web_contents/web_contents_view_aura.h
@@ -117,7 +117,7 @@ class CONTENT_EXPORT WebContentsViewAura
                   gfx::NativeView context) override;
   RenderWidgetHostViewBase* CreateViewForWidget(
       RenderWidgetHost* render_widget_host,
-      bool is_guest_view_hack) override;
+      RenderWidgetHost* embedder_render_widget_host) override;
   RenderWidgetHostViewBase* CreateViewForPopupWidget(
       RenderWidgetHost* render_widget_host) override;
   void SetPageTitle(const base::string16& title) override;
diff --git content/browser/web_contents/web_contents_view_child_frame.cc content/browser/web_contents/web_contents_view_child_frame.cc
index 74a587a..9f02836 100644
--- content/browser/web_contents/web_contents_view_child_frame.cc
+++ content/browser/web_contents/web_contents_view_child_frame.cc
@@ -94,7 +94,7 @@ void WebContentsViewChildFrame::CreateView(const gfx::Size& initial_size,
 
 RenderWidgetHostViewBase* WebContentsViewChildFrame::CreateViewForWidget(
     RenderWidgetHost* render_widget_host,
-    bool is_guest_view_hack) {
+    RenderWidgetHost* embedder_render_widget_host) {
   return RenderWidgetHostViewChildFrame::Create(render_widget_host);
 }
 
diff --git content/browser/web_contents/web_contents_view_child_frame.h content/browser/web_contents/web_contents_view_child_frame.h
index 86ce68b..fd21e5a 100644
--- content/browser/web_contents/web_contents_view_child_frame.h
+++ content/browser/web_contents/web_contents_view_child_frame.h
@@ -39,7 +39,7 @@ class WebContentsViewChildFrame : public WebContentsView,
                   gfx::NativeView context) override;
   RenderWidgetHostViewBase* CreateViewForWidget(
       RenderWidgetHost* render_widget_host,
-      bool is_guest_view_hack) override;
+      RenderWidgetHost* embedder_render_widget_host) override;
   RenderWidgetHostViewBase* CreateViewForPopupWidget(
       RenderWidgetHost* render_widget_host) override;
   void SetPageTitle(const base::string16& title) override;
diff --git content/browser/web_contents/web_contents_view_guest.cc content/browser/web_contents/web_contents_view_guest.cc
index a93bc37..18fed2e 100644
--- content/browser/web_contents/web_contents_view_guest.cc
+++ content/browser/web_contents/web_contents_view_guest.cc
@@ -72,6 +72,8 @@ void WebContentsViewGuest::GetScreenInfo(ScreenInfo* screen_info) const {
 
 void WebContentsViewGuest::OnGuestAttached(WebContentsView* parent_view) {
 #if defined(USE_AURA)
+  if (!platform_view_->GetNativeView())
+    return;
   // In aura, ScreenPositionClient doesn't work properly if we do
   // not have the native view associated with this WebContentsViewGuest in the
   // view hierarchy. We add this view as embedder's child here.
@@ -83,6 +85,8 @@ void WebContentsViewGuest::OnGuestAttached(WebContentsView* parent_view) {
 
 void WebContentsViewGuest::OnGuestDetached(WebContentsView* old_parent_view) {
 #if defined(USE_AURA)
+  if (!platform_view_->GetNativeView())
+    return;
   old_parent_view->GetNativeView()->RemoveChild(
       platform_view_->GetNativeView());
 #endif  // defined(USE_AURA)
@@ -134,7 +138,8 @@ void WebContentsViewGuest::CreateView(const gfx::Size& initial_size,
 }
 
 RenderWidgetHostViewBase* WebContentsViewGuest::CreateViewForWidget(
-    RenderWidgetHost* render_widget_host, bool is_guest_view_hack) {
+    RenderWidgetHost* render_widget_host,
+    RenderWidgetHost* embedder_render_widget_host) {
   if (render_widget_host->GetView()) {
     // During testing, the view will already be set up in most cases to the
     // test view, so we don't want to clobber it with a real one. To verify that
@@ -146,11 +151,19 @@ RenderWidgetHostViewBase* WebContentsViewGuest::CreateViewForWidget(
         render_widget_host->GetView());
   }
 
+  embedder_render_widget_host =
+      guest_->embedder_web_contents()->GetRenderViewHost()->GetWidget();
   RenderWidgetHostViewBase* platform_widget =
-      platform_view_->CreateViewForWidget(render_widget_host, true);
+      platform_view_->CreateViewForWidget(render_widget_host,
+                                          embedder_render_widget_host);
 
-  return RenderWidgetHostViewGuest::Create(render_widget_host, guest_,
-                                           platform_widget->GetWeakPtr());
+  RenderWidgetHostViewGuest* guest_view =
+      RenderWidgetHostViewGuest::Create(render_widget_host, guest_,
+                                        platform_widget->GetWeakPtr());
+  platform_widget->InitAsGuest(embedder_render_widget_host->GetView(),
+                               guest_view);
+
+  return guest_view;
 }
 
 RenderWidgetHostViewBase* WebContentsViewGuest::CreateViewForPopupWidget(
diff --git content/browser/web_contents/web_contents_view_guest.h content/browser/web_contents/web_contents_view_guest.h
index 0102d7e..b89d66c 100644
--- content/browser/web_contents/web_contents_view_guest.h
+++ content/browser/web_contents/web_contents_view_guest.h
@@ -58,7 +58,7 @@ class WebContentsViewGuest : public WebContentsView,
                   gfx::NativeView context) override;
   RenderWidgetHostViewBase* CreateViewForWidget(
       RenderWidgetHost* render_widget_host,
-      bool is_guest_view_hack) override;
+      RenderWidgetHost* embedder_render_widget_host) override;
   RenderWidgetHostViewBase* CreateViewForPopupWidget(
       RenderWidgetHost* render_widget_host) override;
   void SetPageTitle(const base::string16& title) override;
diff --git content/browser/web_contents/web_contents_view_mac.h content/browser/web_contents/web_contents_view_mac.h
index 4141b7f..921bc79 100644
--- content/browser/web_contents/web_contents_view_mac.h
+++ content/browser/web_contents/web_contents_view_mac.h
@@ -90,7 +90,7 @@ class WebContentsViewMac : public WebContentsView,
                   gfx::NativeView context) override;
   RenderWidgetHostViewBase* CreateViewForWidget(
       RenderWidgetHost* render_widget_host,
-      bool is_guest_view_hack) override;
+      RenderWidgetHost* embedder_render_widget_host) override;
   RenderWidgetHostViewBase* CreateViewForPopupWidget(
       RenderWidgetHost* render_widget_host) override;
   void SetPageTitle(const base::string16& title) override;
diff --git content/browser/web_contents/web_contents_view_mac.mm content/browser/web_contents/web_contents_view_mac.mm
index b236639..167f973 100644
--- content/browser/web_contents/web_contents_view_mac.mm
+++ content/browser/web_contents/web_contents_view_mac.mm
@@ -348,7 +348,8 @@ void WebContentsViewMac::CreateView(
 }
 
 RenderWidgetHostViewBase* WebContentsViewMac::CreateViewForWidget(
-    RenderWidgetHost* render_widget_host, bool is_guest_view_hack) {
+    RenderWidgetHost* render_widget_host,
+    RenderWidgetHost* embedder_render_widget_host) {
   if (render_widget_host->GetView()) {
     // During testing, the view will already be set up in most cases to the
     // test view, so we don't want to clobber it with a real one. To verify that
@@ -360,6 +361,7 @@ RenderWidgetHostViewBase* WebContentsViewMac::CreateViewForWidget(
         render_widget_host->GetView());
   }
 
+  const bool is_guest_view_hack = !!embedder_render_widget_host;
   RenderWidgetHostViewMac* view =
       g_create_render_widget_host_view
           ? g_create_render_widget_host_view(render_widget_host,
diff --git content/public/browser/browser_plugin_guest_delegate.h content/public/browser/browser_plugin_guest_delegate.h
index a32205c..49f3c35 100644
--- content/public/browser/browser_plugin_guest_delegate.h
+++ content/public/browser/browser_plugin_guest_delegate.h
@@ -19,6 +19,7 @@ namespace content {
 class GuestHost;
 class RenderWidgetHost;
 class SiteInstance;
+class WebContentsView;
 
 // Objects implement this interface to get notified about changes in the guest
 // WebContents and to provide necessary functionality.
@@ -85,6 +86,10 @@ class CONTENT_EXPORT BrowserPluginGuestDelegate {
   // content module.
   virtual void SetGuestHost(GuestHost* guest_host) {}
 
+  // Called when a guest is attached or detached.
+  virtual void OnGuestAttached(content::WebContentsView* parent_view) {}
+  virtual void OnGuestDetached(content::WebContentsView* parent_view) {}
+
   // Sets the position of the context menu for the guest contents. The value
   // reported from the guest renderer should be ignored. The reported value
   // from the guest renderer is incorrect in situations where BrowserPlugin is
diff --git extensions/browser/guest_view/mime_handler_view/mime_handler_view_guest.cc extensions/browser/guest_view/mime_handler_view/mime_handler_view_guest.cc
index 6e59562..b517389 100644
--- extensions/browser/guest_view/mime_handler_view/mime_handler_view_guest.cc
+++ extensions/browser/guest_view/mime_handler_view/mime_handler_view_guest.cc
@@ -179,6 +179,8 @@ void MimeHandlerViewGuest::CreateWebContents(
   WebContents::CreateParams params(browser_context(),
                                    guest_site_instance.get());
   params.guest_delegate = this;
+  if (delegate_)
+    delegate_->OverrideWebContentsCreateParams(&params);
   callback.Run(WebContents::Create(params));
 }
 
@@ -203,6 +205,18 @@ bool MimeHandlerViewGuest::ZoomPropagatesFromEmbedderToGuest() const {
   return false;
 }
 
+void MimeHandlerViewGuest::OnGuestAttached(
+    content::WebContentsView* parent_view) {
+  if (delegate_)
+    delegate_->OnGuestAttached(parent_view);
+}
+
+void MimeHandlerViewGuest::OnGuestDetached(
+    content::WebContentsView* parent_view) {
+  if (delegate_)
+    delegate_->OnGuestDetached(parent_view);
+}
+
 WebContents* MimeHandlerViewGuest::OpenURLFromTab(
     WebContents* source,
     const content::OpenURLParams& params) {
diff --git extensions/browser/guest_view/mime_handler_view/mime_handler_view_guest.h extensions/browser/guest_view/mime_handler_view/mime_handler_view_guest.h
index d237318..3701bd2 100644
--- extensions/browser/guest_view/mime_handler_view/mime_handler_view_guest.h
+++ extensions/browser/guest_view/mime_handler_view/mime_handler_view_guest.h
@@ -83,6 +83,10 @@ class MimeHandlerViewGuest :
   bool ShouldHandleFindRequestsForEmbedder() const final;
   bool ZoomPropagatesFromEmbedderToGuest() const final;
 
+  // content::BrowserPluginGuestDelegate implementation
+  void OnGuestAttached(content::WebContentsView* parent_view) override;
+  void OnGuestDetached(content::WebContentsView* parent_view) override;
+
   // WebContentsDelegate implementation.
   content::WebContents* OpenURLFromTab(
       content::WebContents* source,
diff --git extensions/browser/guest_view/mime_handler_view/mime_handler_view_guest_delegate.h extensions/browser/guest_view/mime_handler_view/mime_handler_view_guest_delegate.h
index e065104d..ea3f547 100644
--- extensions/browser/guest_view/mime_handler_view/mime_handler_view_guest_delegate.h
+++ extensions/browser/guest_view/mime_handler_view/mime_handler_view_guest_delegate.h
@@ -6,9 +6,9 @@
 #define EXTENSIONS_BROWSER_GUEST_VIEW_MIME_HANDLER_VIEW_MIME_HANDLER_VIEW_GUEST_DELEGATE_H_
 
 #include "base/macros.h"
+#include "content/public/browser/web_contents.h"
 
 namespace content {
-class WebContents;
 struct ContextMenuParams;
 }  // namespace content
 
@@ -21,6 +21,14 @@ class MimeHandlerViewGuestDelegate {
  public:
   MimeHandlerViewGuestDelegate() {}
   virtual ~MimeHandlerViewGuestDelegate() {}
+  
+  // Provides an opportunity to supply a custom view implementation.
+  virtual void OverrideWebContentsCreateParams(
+      content::WebContents::CreateParams* params) {}
+
+  // Called when a guest is attached or detached.
+  virtual void OnGuestAttached(content::WebContentsView* parent_view) {}
+  virtual void OnGuestDetached(content::WebContentsView* parent_view) {}
 
   // Handles context menu, or returns false if unhandled.
   virtual bool HandleContextMenu(content::WebContents* web_contents,