mus: Split the gpu client-lib into a separate component.

ui/views/mus/mus_client.cc

 // Copyright 2016 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 "ui/views/mus/mus_client.h"
 
 #include "base/bind.h"
 #include "base/memory/ptr_util.h"
 #include "services/service_manager/public/cpp/connection.h"
 #include "services/service_manager/public/cpp/connector.h"
+#include "services/ui/public/cpp/gpu/gpu_service.h"
 #include "services/ui/public/interfaces/event_matcher.mojom.h"
 #include "ui/aura/env.h"
-#include "ui/aura/mus/gpu_service.h"
 #include "ui/aura/mus/mus_context_factory.h"
 #include "ui/aura/mus/os_exchange_data_provider_mus.h"
 #include "ui/aura/mus/property_converter.h"
 #include "ui/aura/mus/window_tree_client.h"
 #include "ui/aura/mus/window_tree_host_mus.h"
 #include "ui/aura/window.h"
 #include "ui/aura/window_tree_host.h"
 #include "ui/views/mus/aura_init.h"
 #include "ui/views/mus/clipboard_mus.h"
 #include "ui/views/mus/desktop_window_tree_host_mus.h"
@@ skipping 58 matching lines @@
                      const service_manager::Identity& identity,
                      scoped_refptr<base::SingleThreadTaskRunner> io_task_runner)
     : connector_(connector), identity_(identity) {
   DCHECK(!instance_);
   instance_ = this;
   // TODO(msw): Avoid this... use some default value? Allow clients to extend?
   property_converter_ = base::MakeUnique<aura::PropertyConverter>();
 
   wm_state_ = base::MakeUnique<wm::WMState>();
 
-  gpu_service_ = aura::GpuService::Create(connector, std::move(io_task_runner));
+  gpu_service_ = ui::GpuService::Create(connector, std::move(io_task_runner));
   compositor_context_factory_ =
       base::MakeUnique<aura::MusContextFactory>(gpu_service_.get());
   aura::Env::GetInstance()->set_context_factory(
       compositor_context_factory_.get());
   window_tree_client_ =
       base::MakeUnique<aura::WindowTreeClient>(this, nullptr, nullptr);
   aura::Env::GetInstance()->SetWindowTreeClient(window_tree_client_.get());
   window_tree_client_->ConnectViaWindowTreeFactory(connector_);
 
   // TODO: wire up PointerWatcherEventRouter. http://crbug.com/663526.
@@ skipping 59 matching lines @@
       return root->GetTopWindowContainingPoint(relative_point);
   }
   return nullptr;
 }
 
 std::unique_ptr<OSExchangeData::Provider> MusClient::BuildProvider() {
   return base::MakeUnique<aura::OSExchangeDataProviderMus>();
 }
 
 }  // namespace views