pepper: Use the RenderThread's shared context as the parent context.

content/renderer/render_widget_fullscreen_pepper.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_RENDER_WIDGET_FULLSCREEN_PEPPER_H_
 #define CONTENT_RENDERER_RENDER_WIDGET_FULLSCREEN_PEPPER_H_
 
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "content/common/gpu/client/webgraphicscontext3d_command_buffer_impl.h"
 #include "content/renderer/mouse_lock_dispatcher.h"
-#include "content/renderer/pepper/pepper_parent_context_provider.h"
 #include "content/renderer/render_widget_fullscreen.h"
 #include "third_party/WebKit/Source/Platform/chromium/public/WebGraphicsContext3D.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebWidget.h"
 #include "webkit/plugins/ppapi/fullscreen_container.h"
 
 namespace webkit {
 namespace ppapi {
 
 class PluginInstance;
 
 }  // namespace ppapi
 }  // namespace webkit
 
 namespace content {
 class WebGraphicsContext3DCommandBufferImpl;
 
 // A RenderWidget that hosts a fullscreen pepper plugin. This provides a
 // FullscreenContainer that the plugin instance can callback into to e.g.
 // invalidate rects.
 class RenderWidgetFullscreenPepper :
     public RenderWidgetFullscreen,
     public webkit::ppapi::FullscreenContainer,
-    public PepperParentContextProvider,
     public WebGraphicsContext3DSwapBuffersClient {
  public:
   static RenderWidgetFullscreenPepper* Create(
       int32 opener_id,
       webkit::ppapi::PluginInstance* plugin,
       const GURL& active_url,
       const WebKit::WebScreenInfo& screen_info);
 
   // WebGraphicscontext3DSwapBuffersClient implementation
   virtual void OnViewContextSwapBuffersPosted() OVERRIDE;
@@ skipping 58 matching lines @@
   // Creates the GL context for compositing.
   void CreateContext();
 
   // Initialize the GL states and resources for compositing.
   bool InitContext();
 
   // Checks (and returns) whether accelerated compositing should be on or off,
   // and notify the browser.
   bool CheckCompositing();
 
-  // Implementation of PepperParentContextProvider.
-  virtual WebGraphicsContext3DCommandBufferImpl*
-      GetParentContextForPlatformContext3D() OVERRIDE;
-
   // URL that is responsible for this widget, passed to ggl::CreateViewContext.
   GURL active_url_;
 
   // The plugin instance this widget wraps.
   webkit::ppapi::PluginInstance* plugin_;
 
   // GL context for compositing.
   WebGraphicsContext3DCommandBufferImpl* context_;
   unsigned int buffer_;
   unsigned int program_;
 
   base::WeakPtrFactory<RenderWidgetFullscreenPepper> weak_ptr_factory_;
 
   scoped_ptr<MouseLockDispatcher> mouse_lock_dispatcher_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderWidgetFullscreenPepper);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_RENDER_WIDGET_FULLSCREEN_PEPPER_H_