[WIP] Implement Notifications through Platform instead of WebFrame.

public/web/WebFrameClient.h

Index: public/web/WebFrameClient.h
diff --git a/public/web/WebFrameClient.h b/public/web/WebFrameClient.h
index 502bf6bef7060d3ea3ab43b2c2504114c4e025c0..607ef391439034fdb3f9471781ed57bd4f912867 100644
--- a/public/web/WebFrameClient.h
+++ b/public/web/WebFrameClient.h
@@ -72,7 +72,6 @@ class WebMediaPlayer;
 class WebMediaPlayerClient;
 class WebMIDIClient;
 class WebNotificationPermissionCallback;
-class WebNotificationPresenter;
 class WebServiceWorkerProvider;
 class WebServiceWorkerProviderClient;
 class WebSocketHandle;
@@ -317,10 +316,6 @@ public:
     // Requests permission to display platform notifications on the origin of this frame.
     virtual void requestNotificationPermission(const WebSecurityOrigin&, WebNotificationPermissionCallback* callback) { }
 
-    // Called to retrieve the provider of desktop notifications.
-    // FIXME: Remove this method once the presenter is obtained through Platform.
-    virtual WebNotificationPresenter* notificationPresenter() { return 0; }
-
 
     // Editing -------------------------------------------------------------