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

content/browser/frame_host/render_frame_host_impl.h

Index: content/browser/frame_host/render_frame_host_impl.h
diff --git a/content/browser/frame_host/render_frame_host_impl.h b/content/browser/frame_host/render_frame_host_impl.h
index 424dbc69da07f2fcbd220bc703d93c22837cd8cd..bda95631a000917907a1132ed796875752f16d17 100644
--- a/content/browser/frame_host/render_frame_host_impl.h
+++ b/content/browser/frame_host/render_frame_host_impl.h
@@ -170,6 +170,8 @@ class CONTENT_EXPORT RenderFrameHostImpl
       const TextSurroundingSelectionCallback& callback,
       int max_length) override;
   void RequestFocusedFormFieldData(FormFieldDataCallback& callback) override;
+  void AllowBindings(int binding_flags) override;
+  int GetEnabledBindings() const override;
 
   // mojom::FrameHost
   void GetInterfaceProvider(
@@ -306,11 +308,6 @@ class CONTENT_EXPORT RenderFrameHostImpl
     render_frame_proxy_host_ = proxy;
   }
 
-  // Returns a bitwise OR of bindings types that have been enabled for this
-  // RenderFrameHostImpl's RenderView. See BindingsPolicy for details.
-  // TODO(creis): Make bindings frame-specific, to support cases like <webview>.
-  int GetEnabledBindings();
-
   // The unique ID of the latest NavigationEntry that this RenderFrameHost is
   // showing. This may change even when this frame hasn't committed a page,
   // such as for a new subframe navigation in a different frame.
@@ -1088,6 +1085,11 @@ class CONTENT_EXPORT RenderFrameHostImpl
 
   std::unique_ptr<AssociatedInterfaceProviderImpl>
       remote_associated_interfaces_;
+
+  // A bitwise OR of bindings types that have been enabled for this RenderFrame.
+  // See BindingsPolicy for details.
+  int enabled_bindings_ = 0;
+
   // NOTE: This must be the last member.
   base::WeakPtrFactory<RenderFrameHostImpl> weak_ptr_factory_;