Refactor Web Notification permission requests.

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 5fca735a83f6f8e994616e0873b4f9b498506675..b070b502f21685652dcf9f6756a98e63367b54ba 100644
--- a/content/renderer/render_frame_impl.h
+++ b/content/renderer/render_frame_impl.h
@@ -60,6 +60,7 @@ class ChildFrameCompositingHelper;
 class GeolocationDispatcher;
 class MediaStreamRendererFactory;
 class MidiDispatcher;
+class NotificationPermissionDispatcher;
 class NotificationProvider;
 class PepperPluginInstanceImpl;
 class PushMessagingDispatcher;
@@ -312,6 +313,9 @@ class CONTENT_EXPORT RenderFrameImpl
                                      blink::WebHistoryCommitType commit_type);
   virtual void didUpdateCurrentHistoryItem(blink::WebLocalFrame* frame);
   virtual void didChangeBrandColor();
+  virtual void requestNotificationPermission(
+      const blink::WebSecurityOrigin& origin,
+      blink::WebNotificationPermissionCallback* callback);
   virtual blink::WebNotificationPresenter* notificationPresenter();
   virtual void didChangeSelection(bool is_empty_selection);
   virtual blink::WebColorChooser* createColorChooser(
@@ -616,7 +620,11 @@ class CONTENT_EXPORT RenderFrameImpl
   // along with the RenderFrame automatically.  This is why we just store weak
   // references.
 
+  // Dispatches permission requests for Web Notifications.
+  NotificationPermissionDispatcher* notification_permission_dispatcher_;
+
   // Holds a reference to the service which provides desktop notifications.
+  // TODO(peter) Remove this once Web Notifications are routed through Platform.
   NotificationProvider* notification_provider_;
 
   blink::WebUserMediaClient* web_user_media_client_;