3D Compositing in <browser>, first draft.

content/renderer/browser_plugin/browser_plugin_manager.h

 // Copyright (c) 2012 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 CONTENT_RENDERER_BROWSER_PLUGIN_BROWSER_PLUGIN_MANAGER_H_
 #define CONTENT_RENDERER_BROWSER_PLUGIN_BROWSER_PLUGIN_MANAGER_H_
 #pragma once
 
 #include "base/id_map.h"
 #include "content/public/renderer/render_process_observer.h"
 #include "content/renderer/browser_plugin/browser_plugin.h"
 
+struct BrowserPlugin_SwapInfo;
 struct BrowserPluginMsg_UpdateRect_Params;
 
 namespace WebKit {
-class WebPluginParams;
+struct WebPluginParams;
 }
 
 namespace content {
 namespace browser_plugin {
 
 // BrowserPluginManager manages the routing of messages to the appropriate
 // BrowserPlugin object.
 class BrowserPluginManager
     : public RenderProcessObserver {
  public:
   BrowserPluginManager();
 
   virtual ~BrowserPluginManager();
 
   BrowserPlugin* CreateBrowserPlugin(RenderViewImpl* render_view,
                                      WebKit::WebFrame* frame,
                                      const WebKit::WebPluginParams& params);
 
   void AddBrowserPlugin(int instance_id, BrowserPlugin* browser_plugin);
   void RemoveBrowserPlugin(int instance_id);
   BrowserPlugin* GetBrowserPlugin(int instance_id) const;
 
+  void WillInitiatePaint();
+
  private:
   int browser_plugin_counter_;
   IDMap<BrowserPlugin> instances_;
 
   void OnUpdateRect(int instance_id,
                     int message_id,
                     const BrowserPluginMsg_UpdateRect_Params& params);
   void OnGuestCrashed(int instance_id);
   void OnUpdateURL(int instance_id, const GURL& url);
   void OnAdvanceFocus(int instance_id, bool reverse);
+  void OnBuffersSwapped(int instance_id, uint64 surface_handle, const BrowserPlugin_SwapInfo& info);
 
   // RenderProcessObserver override. Call on render thread.
   virtual bool OnControlMessageReceived(const IPC::Message& message) OVERRIDE;
 
   DISALLOW_COPY_AND_ASSIGN(BrowserPluginManager);
 };
 
 }  // namespace browser_plugin
 }  // namespace content
 
 #endif //  CONTENT_RENDERER_BROWSER_PLUGIN_BROWSER_PLUGIN_CHANNEL_MANAGER_H_