GPU: Replace AsyncPixelTransferState with AsyncPixelTransferDelegate.

gpu/command_buffer/service/async_pixel_transfer_manager_stub.h

 // Copyright 2013 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 GPU_COMMAND_BUFFER_SERVICE_ASYNC_PIXEL_TRANSFER_MANAGER_STUB_H_
 #define GPU_COMMAND_BUFFER_SERVICE_ASYNC_PIXEL_TRANSFER_MANAGER_STUB_H_
 
 #include "gpu/command_buffer/service/async_pixel_transfer_manager.h"
 
 namespace gpu {
 
-class AsyncPixelTransferDelegateStub;
-
 class AsyncPixelTransferManagerStub : public AsyncPixelTransferManager {
  public:
   AsyncPixelTransferManagerStub();
   virtual ~AsyncPixelTransferManagerStub();
 
   // AsyncPixelTransferManager implementation:
   virtual void BindCompletedAsyncTransfers() OVERRIDE;
   virtual void AsyncNotifyCompletion(
       const AsyncMemoryParams& mem_params,
       const CompletionCallback& callback) OVERRIDE;
   virtual uint32 GetTextureUploadCount() OVERRIDE;
   virtual base::TimeDelta GetTotalTextureUploadTime() OVERRIDE;
   virtual void ProcessMorePendingTransfers() OVERRIDE;
   virtual bool NeedsProcessMorePendingTransfers() OVERRIDE;
-  virtual AsyncPixelTransferDelegate* GetAsyncPixelTransferDelegate() OVERRIDE;
 
  private:
-  scoped_ptr<AsyncPixelTransferDelegateStub> delegate_;
+  // AsyncPixelTransferManager implementation:
+  virtual AsyncPixelTransferDelegate* CreatePixelTransferDelegateImpl(
+      gles2::TextureRef* ref,
+      const AsyncTexImage2DParams& define_params) OVERRIDE;
 
   DISALLOW_COPY_AND_ASSIGN(AsyncPixelTransferManagerStub);
 };
 
 }  // namespace gpu
 
 #endif  // GPU_COMMAND_BUFFER_SERVICE_ASYNC_PIXEL_TRANSFER_MANAGER_STUB_H_