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

content/renderer/render_frame_impl.h

Index: content/renderer/render_frame_impl.h
diff --git a/content/renderer/render_frame_impl.h b/content/renderer/render_frame_impl.h
index bcde1e4e44371f061aff51179d135a2844fbc94d..bd2c8c671248d137132e1f230d8f1ebccd925b96 100644
--- a/content/renderer/render_frame_impl.h
+++ b/content/renderer/render_frame_impl.h
@@ -441,10 +441,12 @@ class CONTENT_EXPORT RenderFrameImpl
   bool IsPasting() const override;
   blink::WebPageVisibilityState GetVisibilityState() const override;
   bool IsBrowserSideNavigationPending() override;
+  int GetEnabledBindings() const override;
 
   // mojom::Frame implementation:
   void GetInterfaceProvider(
       service_manager::mojom::InterfaceProviderRequest request) override;
+  void AllowBindings(int32_t enabled_bindings_flags) override;
 
   // mojom::HostZoom implementation:
   void SetHostZoomLevel(const GURL& url, double zoom_level) override;
@@ -1344,6 +1346,10 @@ class CONTENT_EXPORT RenderFrameImpl
 
   bool browser_side_navigation_pending_ = false;
 
+  // A bitwise OR of bindings types that have been enabled for this RenderFrame.
+  // See BindingsPolicy for details.
+  int enabled_bindings_ = 0;
+
   base::WeakPtrFactory<RenderFrameImpl> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderFrameImpl);