Move shell service to toplevel shell namespace

chrome/test/base/mojo_test_connector.h

 // 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.
 
 #ifndef CHROME_TEST_BASE_MOJO_TEST_CONNECTOR_H_
 #define CHROME_TEST_BASE_MOJO_TEST_CONNECTOR_H_
 
 #include <memory>
 
 #include "base/macros.h"
@@ skipping 21 matching lines @@
 // PrepareForTest() is called from content::TestLauncherDelegate::PreRunTest().
 class MojoTestConnector {
  public:
   // Switch added to command line of each test.
   static const char kTestSwitch[];
 
   MojoTestConnector();
   ~MojoTestConnector();
 
   // Initializes the background thread the Shell runs on.
-  mojo::shell::mojom::ShellClientRequest Init();
+  shell::mojom::ShellClientRequest Init();
 
   std::unique_ptr<content::TestState> PrepareForTest(
       base::CommandLine* command_line,
       base::TestLauncher::LaunchOptions* test_launch_options);
 
  private:
   class NativeRunnerDelegateImpl;
 
   std::unique_ptr<NativeRunnerDelegateImpl> native_runner_delegate_;
-  mojo::shell::BackgroundShell background_shell_;
+  shell::BackgroundShell background_shell_;
 
   DISALLOW_COPY_AND_ASSIGN(MojoTestConnector);
 };
 
 #endif  // CHROME_TEST_BASE_MOJO_TEST_CONNECTOR_H_