convert //gpu to std::unique_ptr

content/child/child_gpu_memory_buffer_manager.cc

 // Copyright 2014 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 "content/child/child_gpu_memory_buffer_manager.h"
 
+#include <memory>
 #include <utility>
 
 #include "content/common/child_process_messages.h"
 #include "content/common/generic_shared_memory_id_generator.h"
 #include "gpu/ipc/client/gpu_memory_buffer_impl.h"
 
 namespace content {
 namespace {
 
 void DeletedGpuMemoryBuffer(ThreadSafeSender* sender,
@@ skipping 65 matching lines @@
 }
 
 void ChildGpuMemoryBufferManager::SetDestructionSyncToken(
     gfx::GpuMemoryBuffer* buffer,
     const gpu::SyncToken& sync_token) {
   static_cast<gpu::GpuMemoryBufferImpl*>(buffer)->set_destruction_sync_token(
       sync_token);
 }
 
 }  // namespace content