GPU: Replace AsyncPixelTransferState with AsyncPixelTransferDelegate.

gpu/command_buffer/service/async_pixel_transfer_delegate.cc

 // Copyright (c) 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.
 
 #include "gpu/command_buffer/service/async_pixel_transfer_delegate.h"
 
 #include "base/memory/shared_memory.h"
 #include "gpu/command_buffer/service/safe_shared_memory_pool.h"
 
 namespace gpu {
@@ skipping 26 matching lines @@
 }
 
 int AsyncPixelTransferUploadStats::GetStats(
     base::TimeDelta* total_texture_upload_time) {
   base::AutoLock scoped_lock(lock_);
   if (total_texture_upload_time)
     *total_texture_upload_time = total_texture_upload_time_;
   return texture_upload_count_;
 }
 
-AsyncPixelTransferState::AsyncPixelTransferState(){}
-
-AsyncPixelTransferState::~AsyncPixelTransferState(){}
-
 AsyncPixelTransferDelegate::AsyncPixelTransferDelegate(){}
 
 AsyncPixelTransferDelegate::~AsyncPixelTransferDelegate(){}
 
 // static
 void* AsyncPixelTransferDelegate::GetAddress(
     const AsyncMemoryParams& mem_params) {
   return GetAddressImpl(mem_params.shared_memory,
                         mem_params.shm_size,
                         mem_params.shm_data_offset,
                         mem_params.shm_data_size);
 }
 
 // static
 void* AsyncPixelTransferDelegate::GetAddress(
     ScopedSafeSharedMemory* safe_shared_memory,
     const AsyncMemoryParams& mem_params) {
   return GetAddressImpl(safe_shared_memory->shared_memory(),
                         mem_params.shm_size,
                         mem_params.shm_data_offset,
                         mem_params.shm_data_size);
 }
 
 }  // namespace gpu