Add service name constant for UI service.

ui/aura/mus/gpu_service.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/aura/mus/gpu_service.h"
 
 #include "base/command_line.h"
 #include "base/memory/singleton.h"
 #include "base/threading/thread_task_runner_handle.h"
 #include "build/build_config.h"
 #include "mojo/public/cpp/bindings/sync_call_restrictions.h"
 #include "mojo/public/cpp/system/platform_handle.h"
 #include "services/service_manager/public/cpp/connector.h"
+#include "services/ui/public/interfaces/constants.mojom.h"
 #include "services/ui/public/interfaces/gpu_service.mojom.h"
 #include "ui/aura/mus/mojo_gpu_memory_buffer_manager.h"
 
 namespace aura {
 
 GpuService::GpuService(service_manager::Connector* connector,
                        scoped_refptr<base::SingleThreadTaskRunner> task_runner)
     : main_task_runner_(base::ThreadTaskRunnerHandle::Get()),
       io_task_runner_(std::move(task_runner)),
       connector_(connector),
@@ skipping 33 matching lines @@
   scoped_refptr<gpu::GpuChannelHost> channel = GetGpuChannel();
   if (channel) {
     main_task_runner_->PostTask(FROM_HERE,
                                 base::Bind(callback, std::move(channel)));
     return;
   }
   establish_callbacks_.push_back(callback);
   if (gpu_service_)
     return;
 
-  connector_->ConnectToInterface("ui", &gpu_service_);
+  connector_->ConnectToInterface(ui::mojom::kServiceName, &gpu_service_);
   gpu_service_->EstablishGpuChannel(
       base::Bind(&GpuService::OnEstablishedGpuChannel, base::Unretained(this)));
 }
 
 scoped_refptr<gpu::GpuChannelHost> GpuService::EstablishGpuChannelSync() {
   DCHECK(IsMainThread());
   if (GetGpuChannel())
     return gpu_channel_;
 
   int client_id = 0;
   mojo::ScopedMessagePipeHandle channel_handle;
   gpu::GPUInfo gpu_info;
-  connector_->ConnectToInterface("ui", &gpu_service_);
+  connector_->ConnectToInterface(ui::mojom::kServiceName, &gpu_service_);
 
   mojo::SyncCallRestrictions::ScopedAllowSyncCall allow_sync_call;
   if (!gpu_service_->EstablishGpuChannel(&client_id, &channel_handle,
                                          &gpu_info)) {
     DLOG(WARNING)
         << "Channel encountered error while establishing gpu channel.";
     return nullptr;
   }
   OnEstablishedGpuChannel(client_id, std::move(channel_handle), gpu_info);
   return gpu_channel_;
@@ skipping 54 matching lines @@
   MojoResult result = mojo::UnwrapSharedMemoryHandle(
       std::move(handle), &platform_handle, &shared_memory_size, &readonly);
   if (result != MOJO_RESULT_OK)
     return nullptr;
   DCHECK_EQ(shared_memory_size, size);
 
   return base::MakeUnique<base::SharedMemory>(platform_handle, readonly);
 }
 
 }  // namespace aura