convert //gpu to std::unique_ptr

gpu/ipc/service/gpu_channel_manager.cc

 // 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.
 
 #include "gpu/ipc/service/gpu_channel_manager.h"
 
 #include <algorithm>
 #include <utility>
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/location.h"
+#include "base/memory/ptr_util.h"
 #include "base/single_thread_task_runner.h"
 #include "base/thread_task_runner_handle.h"
 #include "build/build_config.h"
 #include "gpu/command_buffer/common/sync_token.h"
 #include "gpu/command_buffer/common/value_state.h"
 #include "gpu/command_buffer/service/feature_info.h"
 #include "gpu/command_buffer/service/mailbox_manager.h"
 #include "gpu/command_buffer/service/memory_program_cache.h"
 #include "gpu/command_buffer/service/shader_translator_cache.h"
 #include "gpu/command_buffer/service/sync_point_manager.h"
@@ skipping 114 matching lines @@
   if (it != buffer_presented_callback_map_.end())
     it->second.Run(surface_id, vsync_timebase, vsync_interval);
 }
 #endif
 
 GpuChannel* GpuChannelManager::LookupChannel(int32_t client_id) const {
   const auto& it = gpu_channels_.find(client_id);
   return it != gpu_channels_.end() ? it->second : nullptr;
 }
 
-scoped_ptr<GpuChannel> GpuChannelManager::CreateGpuChannel(
+std::unique_ptr<GpuChannel> GpuChannelManager::CreateGpuChannel(
     int client_id,
     uint64_t client_tracing_id,
     bool preempts,
     bool allow_view_command_buffers,
     bool allow_real_time_streams) {
-  return make_scoped_ptr(
+  return base::WrapUnique(
       new GpuChannel(this, sync_point_manager(), watchdog_, share_group(),
                      mailbox_manager(), preempts ? preemption_flag() : nullptr,
                      preempts ? nullptr : preemption_flag(), task_runner_.get(),
                      io_task_runner_.get(), client_id, client_tracing_id,
                      allow_view_command_buffers, allow_real_time_streams));
 }
 
 IPC::ChannelHandle GpuChannelManager::EstablishChannel(
     int client_id,
     uint64_t client_tracing_id,
     bool preempts,
     bool allow_view_command_buffers,
     bool allow_real_time_streams) {
-  scoped_ptr<GpuChannel> channel(
+  std::unique_ptr<GpuChannel> channel(
       CreateGpuChannel(client_id, client_tracing_id, preempts,
                        allow_view_command_buffers, allow_real_time_streams));
   IPC::ChannelHandle channel_handle = channel->Init(shutdown_event_);
   gpu_channels_.set(client_id, std::move(channel));
   return channel_handle;
 }
 
 void GpuChannelManager::InternalDestroyGpuMemoryBuffer(
     gfx::GpuMemoryBufferId id,
     int client_id) {
@@ skipping 136 matching lines @@
     }
   }
   if (!stub || !stub->decoder()->MakeCurrent())
     return;
   glFinish();
   DidAccessGpu();
 }
 #endif
 
 }  // namespace gpu