Change allowed bindings to be per RenderFrame instead of per RenderView.

content/browser/renderer_host/render_view_host_impl.h

Index: content/browser/renderer_host/render_view_host_impl.h
diff --git a/content/browser/renderer_host/render_view_host_impl.h b/content/browser/renderer_host/render_view_host_impl.h
index 105881226da37db55962d1f95d80ba444cac0582..e31a2156e4a43183ab9434ef7696c4db024bae6e 100644
--- a/content/browser/renderer_host/render_view_host_impl.h
+++ b/content/browser/renderer_host/render_view_host_impl.h
@@ -92,7 +92,6 @@ class CONTENT_EXPORT RenderViewHostImpl : public RenderViewHost,
   RenderProcessHost* GetProcess() const override;
   int GetRoutingID() const override;
   RenderFrameHost* GetMainFrame() override;
-  void AllowBindings(int binding_flags) override;
   void ClearFocusedElement() override;
   bool IsFocusedElementEditable() override;
   void DirectoryEnumerationFinished(
@@ -110,7 +109,6 @@ class CONTENT_EXPORT RenderViewHostImpl : public RenderViewHost,
       const gfx::Point& location,
       const blink::WebPluginAction& action) override;
   RenderViewHostDelegate* GetDelegate() const override;
-  int GetEnabledBindings() const override;
   SiteInstanceImpl* GetSiteInstance() const override;
   bool IsRenderViewLive() const override;
   void NotifyMoveOrResizeStarted() override;
@@ -305,10 +303,6 @@ class CONTENT_EXPORT RenderViewHostImpl : public RenderViewHost,
   // over time.
   scoped_refptr<SiteInstanceImpl> instance_;
 
-  // A bitwise OR of bindings types that have been enabled for this RenderView.
-  // See BindingsPolicy for details.
-  int enabled_bindings_;
-
   // Tracks whether this RenderViewHost is in an active state.  False if the
   // main frame is pending swap out, pending deletion, or swapped out, because
   // it is not visible to the user in any of these cases.