cc: Move TextureMailbox::ReleaseCallback to SingleReleaseCallback.

content/renderer/pepper/pepper_graphics_2d_host.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_PEPPER_PEPPER_GRAPHICS_2D_HOST_H_
 #define CONTENT_RENDERER_PEPPER_PEPPER_GRAPHICS_2D_HOST_H_
 
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "base/memory/weak_ptr.h"
 #include "content/common/content_export.h"
 #include "ppapi/c/ppb_graphics_2d.h"
 #include "ppapi/host/host_message_context.h"
 #include "ppapi/host/resource_host.h"
 #include "third_party/WebKit/public/platform/WebCanvas.h"
 
-namespace cc { class TextureMailbox; }
+namespace cc {
+class ScopedReleaseCallback;
+class TextureMailbox;
+}
 
 namespace gfx {
 class Point;
 class Rect;
 }
 
 namespace content {
   
 class PepperPluginInstanceImpl;
 class PPB_ImageData_Impl;
@@ skipping 22 matching lines @@
   // Assciates this device with the given plugin instance. You can pass NULL
   // to clear the existing device. Returns true on success. In this case, a
   // repaint of the page will also be scheduled. Failure means that the device
   // is already bound to a different instance, and nothing will happen.
   bool BindToInstance(PepperPluginInstanceImpl* new_instance);
   // Paints the current backing store to the web page.
   void Paint(WebKit::WebCanvas* canvas,
              const gfx::Rect& plugin_rect,
              const gfx::Rect& paint_rect);
 
-  bool PrepareTextureMailbox(cc::TextureMailbox* mailbox);
+  bool PrepareTextureMailbox(
+      cc::TextureMailbox* mailbox,
+      scoped_ptr<cc::ScopedReleaseCallback>* release_callback);
   void AttachedToNewLayer();
 
   // Notifications about the view's progress painting.  See PluginInstance.
   // These messages are used to send Flush callbacks to the plugin.
   void ViewWillInitiatePaint();
   void ViewInitiatedPaint();
   void ViewFlushedPaint();
 
   void SetScale(float scale);
   float GetScale() const;
@@ skipping 103 matching lines @@
 
   bool texture_mailbox_modified_;
 
   friend class PepperGraphics2DHostTest;
   DISALLOW_COPY_AND_ASSIGN(PepperGraphics2DHost);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_PEPPER_PEPPER_GRAPHICS_2D_HOST_H_