convert //gpu to std::unique_ptr

gpu/ipc/client/gpu_channel_host.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/client/gpu_channel_host.h"
 
 #include <algorithm>
 #include <utility>
 
 #include "base/atomic_sequence_num.h"
 #include "base/bind.h"
 #include "base/location.h"
+#include "base/memory/ptr_util.h"
 #include "base/posix/eintr_wrapper.h"
 #include "base/profiler/scoped_tracker.h"
 #include "base/single_thread_task_runner.h"
 #include "base/thread_task_runner_handle.h"
 #include "base/threading/thread_restrictions.h"
 #include "base/trace_event/trace_event.h"
 #include "build/build_config.h"
 #include "gpu/ipc/client/command_buffer_proxy_impl.h"
 #include "gpu/ipc/common/gpu_messages.h"
 #include "gpu/ipc/common/gpu_param_traits_macros.h"
@@ skipping 70 matching lines @@
   channel_filter_ = new MessageFilter();
 
   // Install the filter last, because we intercept all leftover
   // messages.
   channel_->AddFilter(channel_filter_.get());
 }
 
 bool GpuChannelHost::Send(IPC::Message* msg) {
   // Callee takes ownership of message, regardless of whether Send is
   // successful. See IPC::Sender.
-  scoped_ptr<IPC::Message> message(msg);
+  std::unique_ptr<IPC::Message> message(msg);
   // The GPU process never sends synchronous IPCs so clear the unblock flag to
   // preserve order.
   message->set_unblock(false);
 
   // Currently we need to choose between two different mechanisms for sending.
   // On the main thread we use the regular channel Send() method, on another
   // thread we use SyncMessageFilter. We also have to be careful interpreting
   // IsMainThread() since it might return false during shutdown,
   // impl we are actually calling from the main thread (discard message then).
   //
@@ skipping 67 matching lines @@
   DCHECK_LT(flush_info->flushed_stream_flush_id, flush_info->flush_id);
   Send(new GpuCommandBufferMsg_AsyncFlush(
       flush_info->route_id, flush_info->put_offset, flush_info->flush_count,
       flush_info->latency_info));
   flush_info->latency_info.clear();
   flush_info->flush_pending = false;
 
   flush_info->flushed_stream_flush_id = flush_info->flush_id;
 }
 
-scoped_ptr<CommandBufferProxyImpl> GpuChannelHost::CreateCommandBuffer(
+std::unique_ptr<CommandBufferProxyImpl> GpuChannelHost::CreateCommandBuffer(
     gpu::SurfaceHandle surface_handle,
     const gfx::Size& size,
     CommandBufferProxyImpl* share_group,
     int32_t stream_id,
     gpu::GpuStreamPriority stream_priority,
     const std::vector<int32_t>& attribs,
     const GURL& active_url,
     gfx::GpuPreference gpu_preference) {
   DCHECK(!share_group || (stream_id == share_group->stream_id()));
   TRACE_EVENT1("gpu", "GpuChannelHost::CreateViewCommandBuffer",
@@ skipping 25 matching lines @@
           surface_handle, size, init_params, route_id, &succeeded))) {
     LOG(ERROR) << "Failed to send GpuChannelMsg_CreateCommandBuffer.";
     return nullptr;
   }
 
   if (!succeeded) {
     LOG(ERROR) << "GpuChannelMsg_CreateCommandBuffer returned failure.";
     return nullptr;
   }
 
-  scoped_ptr<CommandBufferProxyImpl> command_buffer =
-      make_scoped_ptr(new CommandBufferProxyImpl(this, route_id, stream_id));
+  std::unique_ptr<CommandBufferProxyImpl> command_buffer =
+      base::WrapUnique(new CommandBufferProxyImpl(this, route_id, stream_id));
   AddRoute(route_id, command_buffer->AsWeakPtr());
 
   return command_buffer;
 }
 
 void GpuChannelHost::DestroyCommandBuffer(
     CommandBufferProxyImpl* command_buffer) {
   TRACE_EVENT0("gpu", "GpuChannelHost::DestroyCommandBuffer");
 
   int32_t route_id = command_buffer->route_id();
@@ skipping 220 matching lines @@
 
   listeners_.clear();
 }
 
 bool GpuChannelHost::MessageFilter::IsLost() const {
   AutoLock lock(lock_);
   return lost_;
 }
 
 }  // namespace gpu