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_
 
 #include "base/id_map.h"
 #include "base/threading/non_thread_safe.h"
 #include "content/public/renderer/render_process_observer.h"
@@ skipping 25 matching lines @@
   virtual ~BrowserPluginManager();
 
   // Creates a new BrowserPlugin object with a unique identifier.
   // BrowserPlugin is responsible for associating itself with the
   // BrowserPluginManager via AddBrowserPlugin. When it is destroyed, it is
   // responsible for removing its association via RemoveBrowserPlugin.
   virtual BrowserPlugin* CreateBrowserPlugin(
       RenderViewImpl* render_view,
       WebKit::WebFrame* frame,
       const WebKit::WebPluginParams& params) = 0;
+  virtual void SignalTextureProviderIsReady(int instance_id) = 0;
 
   void AddBrowserPlugin(int instance_id, BrowserPlugin* browser_plugin);
   void RemoveBrowserPlugin(int instance_id);
   BrowserPlugin* GetBrowserPlugin(int instance_id) const;
 
  protected:
   IDMap<BrowserPlugin> instances_;
   int browser_plugin_counter_;
+
 };
 
 }  // namespace content
 
 #endif //  CONTENT_RENDERER_BROWSER_PLUGIN_BROWSER_PLUGIN_MANAGER_H_