Add service name constant for UI service.

services/ui/ws/window_tree_client_unittest.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 <stddef.h>
 #include <stdint.h>
 
 #include "base/bind.h"
 #include "base/macros.h"
 #include "base/message_loop/message_loop.h"
 #include "base/run_loop.h"
 #include "base/strings/stringprintf.h"
 #include "mojo/public/cpp/bindings/associated_binding.h"
 #include "mojo/public/cpp/bindings/binding.h"
 #include "services/service_manager/public/cpp/interface_factory.h"
 #include "services/service_manager/public/cpp/interface_registry.h"
 #include "services/service_manager/public/cpp/service_test.h"
 #include "services/ui/public/cpp/tests/window_server_shelltest_base.h"
+#include "services/ui/public/interfaces/constants.mojom.h"
 #include "services/ui/public/interfaces/window_tree.mojom.h"
 #include "services/ui/public/interfaces/window_tree_host.mojom.h"
 #include "services/ui/ws/ids.h"
 #include "services/ui/ws/test_change_tracker.h"
 
 using mojo::Array;
 using service_manager::Connection;
 using mojo::InterfaceRequest;
 using service_manager::Service;
 using mojo::String;
@@ skipping 614 matching lines @@
     registry->AddInterface(client_factory_.get());
     return true;
   }
 
   void SetUp() override {
     client_factory_ = base::MakeUnique<WindowTreeClientFactory>();
 
     WindowServerServiceTestBase::SetUp();
 
     mojom::WindowTreeHostFactoryPtr factory;
-    connector()->ConnectToInterface("ui", &factory);
+    connector()->ConnectToInterface(ui::mojom::kServiceName, &factory);
 
     mojom::WindowTreeClientPtr tree_client_ptr;
     wt_client1_ = base::MakeUnique<TestWindowTreeClient>();
     wt_client1_->Bind(GetProxy(&tree_client_ptr));
 
     factory->CreateWindowTreeHost(GetProxy(&host_),
                                   std::move(tree_client_ptr));
 
     // Next we should get an embed call on the "window manager" client.
     wt_client1_->WaitForOnEmbed();
@@ skipping 1547 matching lines @@
 
 // TODO(sky): make sure coverage of what was
 // WindowManagerTest.SecondEmbedRoot_InitService and
 // WindowManagerTest.MultipleEmbedRootsBeforeWTHReady gets added to window
 // manager
 // tests.
 
 }  // namespace test
 }  // namespace ws
 }  // namespace ui