cc: Move TextureMailbox::ReleaseCallback to SingleReleaseCallback.

cc/layers/texture_layer_impl.h

 // Copyright 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 CC_LAYERS_TEXTURE_LAYER_IMPL_H_
 #define CC_LAYERS_TEXTURE_LAYER_IMPL_H_
 
 #include <string>
 
 #include "base/callback.h"
 #include "cc/base/cc_export.h"
 #include "cc/layers/layer_impl.h"
 
 namespace cc {
+class ScopedReleaseCallback;
 class ScopedResource;
 
 class CC_EXPORT TextureLayerImpl : public LayerImpl {
  public:
   static scoped_ptr<TextureLayerImpl> Create(LayerTreeImpl* tree_impl,
                                              int id,
                                              bool uses_mailbox) {
     return make_scoped_ptr(new TextureLayerImpl(tree_impl, id, uses_mailbox));
   }
   virtual ~TextureLayerImpl();
@@ skipping 29 matching lines @@
   // 0--3
   void set_vertex_opacity(const float vertex_opacity[4]) {
     vertex_opacity_[0] = vertex_opacity[0];
     vertex_opacity_[1] = vertex_opacity[1];
     vertex_opacity_[2] = vertex_opacity[2];
     vertex_opacity_[3] = vertex_opacity[3];
   }
 
   virtual bool CanClipSelf() const OVERRIDE;
 
-  void SetTextureMailbox(const TextureMailbox& mailbox);
+  void SetTextureMailbox(const TextureMailbox& mailbox,
+                         scoped_ptr<ScopedReleaseCallback> release_callback);
 
  private:
   TextureLayerImpl(LayerTreeImpl* tree_impl, int id, bool uses_mailbox);
 
   virtual const char* LayerTypeAsString() const OVERRIDE;
   void FreeTextureMailbox();
 
   unsigned texture_id_;
   ResourceProvider::ResourceId external_texture_resource_;
   bool premultiplied_alpha_;
   bool blend_background_color_;
   bool flipped_;
   gfx::PointF uv_top_left_;
   gfx::PointF uv_bottom_right_;
   float vertex_opacity_[4];
   // This is a resource that's a GL copy of a software texture mailbox.
   scoped_ptr<ScopedResource> texture_copy_;
 
   TextureMailbox texture_mailbox_;
+  scoped_ptr<ScopedReleaseCallback> release_callback_;
   bool uses_mailbox_;
   bool own_mailbox_;
   bool valid_texture_copy_;
 
   DISALLOW_COPY_AND_ASSIGN(TextureLayerImpl);
 };
 
 }  // namespace cc
 
 #endif  // CC_LAYERS_TEXTURE_LAYER_IMPL_H_