Added the infrastructure for surfaceProxy.onResize() and SurfaceView.onResize()

extensions/browser/guest_view/guest_view_base.h

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef EXTENSIONS_BROWSER_GUEST_VIEW_GUEST_VIEW_BASE_H_
 #define EXTENSIONS_BROWSER_GUEST_VIEW_GUEST_VIEW_BASE_H_
 
 #include <queue>
 
 #include "base/memory/weak_ptr.h"
@@ skipping 254 matching lines @@
   void RegisterDestructionCallback(const DestructionCallback& callback) final;
   void SetGuestSizer(content::GuestSizer* guest_sizer) final;
   void WillAttach(content::WebContents* embedder_web_contents,
                   int browser_plugin_instance_id,
                   bool is_full_page_plugin) final;
 
   // ui_zoom::ZoomObserver implementation.
   void OnZoomChanged(
       const ui_zoom::ZoomController::ZoomChangedEventData& data) override;
 
-  // Dispatches an event |event_name| to the embedder with the |event| fields.
-  void DispatchEventToEmbedder(Event* event);
+  // Dispatches an event to the guest proxy.
+  void DispatchEventToGuestProxy(Event* event);
+
+  // Dispatches an event to the view.
+  void DispatchEventToView(Event* event);
 
  protected:
   GuestViewBase(content::BrowserContext* browser_context,
                 content::WebContents* owner_web_contents,
                 int guest_instance_id);
 
   ~GuestViewBase() override;
 
  private:
   class OwnerLifetimeObserver;
 
   class OpenerLifetimeObserver;
 
+  void DispatchEvent(Event* event, int instance_id);
+
   void SendQueuedEvents();
 
   void CompleteInit(scoped_ptr<base::DictionaryValue> create_params,
                     const WebContentsCreatedCallback& callback,
                     content::WebContents* guest_web_contents);
 
+  // Dispatches the onResize event to the embedder.
+  void DispatchOnResizeEvent(const gfx::Size& old_size,
+                             const gfx::Size& new_size);
+
   void SetUpAutoSize(const base::DictionaryValue& params);
 
   void StartTrackingEmbedderZoomLevel();
   void StopTrackingEmbedderZoomLevel();
 
   static void RegisterGuestViewTypes();
 
   // WebContentsObserver implementation.
   void DidStopLoading(content::RenderViewHost* render_view_host) final;
   void RenderViewReady() final;
@@ skipping 84 matching lines @@
   // This is used to ensure pending tasks will not fire after this object is
   // destroyed.
   base::WeakPtrFactory<GuestViewBase> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(GuestViewBase);
 };
 
 }  // namespace extensions
 
 #endif  // EXTENSIONS_BROWSER_GUEST_VIEW_GUEST_VIEW_BASE_H_