GPU: Replace AsyncPixelTransferState with AsyncPixelTransferDelegate.

gpu/command_buffer/service/gles2_cmd_decoder.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.
 
 // This file contains the GLES2Decoder class.
 
 #ifndef GPU_COMMAND_BUFFER_SERVICE_GLES2_CMD_DECODER_H_
 #define GPU_COMMAND_BUFFER_SERVICE_GLES2_CMD_DECODER_H_
 
 #include <vector>
@@ skipping 161 matching lines @@
   virtual void PerformIdleWork() = 0;
 
   // Sets a callback which is called when a glResizeCHROMIUM command
   // is processed.
   virtual void SetResizeCallback(
       const base::Callback<void(gfx::Size, float)>& callback) = 0;
 
   virtual void SetStreamTextureManager(StreamTextureManager* manager) = 0;
 
   // Interface to performing async pixel transfers.
-  virtual AsyncPixelTransferDelegate* GetAsyncPixelTransferDelegate() = 0;
   virtual AsyncPixelTransferManager* GetAsyncPixelTransferManager() = 0;
   virtual void ResetAsyncPixelTransferManagerForTest() = 0;
   virtual void SetAsyncPixelTransferManagerForTest(
       AsyncPixelTransferManager* manager) = 0;
 
   // Get the service texture ID corresponding to a client texture ID.
   // If no such record is found then return false.
   virtual bool GetServiceTextureId(uint32 client_texture_id,
                                    uint32* service_texture_id);
 
@@ skipping 49 matching lines @@
   bool debug_;
   bool log_commands_;
   static bool testing_force_is_angle_;
 
   DISALLOW_COPY_AND_ASSIGN(GLES2Decoder);
 };
 
 }  // namespace gles2
 }  // namespace gpu
 #endif  // GPU_COMMAND_BUFFER_SERVICE_GLES2_CMD_DECODER_H_