Move shell service to toplevel shell namespace

services/shell/runner/child/test_native_main.cc

 // Copyright 2015 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 "services/shell/runner/child/test_native_main.h"
 
 #include <utility>
 
 #include "base/debug/stack_trace.h"
 #include "base/macros.h"
 #include "base/message_loop/message_loop.h"
 #include "base/process/launch.h"
 #include "base/threading/thread.h"
 #include "build/build_config.h"
 #include "mojo/edk/embedder/embedder.h"
 #include "mojo/edk/embedder/process_delegate.h"
 #include "services/shell/public/cpp/shell_client.h"
 #include "services/shell/public/cpp/shell_connection.h"
 #include "services/shell/runner/common/client_util.h"
 #include "services/shell/runner/init.h"
 
-namespace mojo {
 namespace shell {
 namespace {
 
 class ProcessDelegate : public mojo::edk::ProcessDelegate {
  public:
   ProcessDelegate() {}
   ~ProcessDelegate() override {}
 
  private:
   void OnShutdownComplete() override {}
 
   DISALLOW_COPY_AND_ASSIGN(ProcessDelegate);
 };
 
 }  // namespace
 
-int TestNativeMain(mojo::ShellClient* shell_client) {
-  mojo::shell::WaitForDebuggerIfNecessary();
+int TestNativeMain(shell::ShellClient* shell_client) {
+  shell::WaitForDebuggerIfNecessary();
 
 #if !defined(OFFICIAL_BUILD)
   base::debug::EnableInProcessStackDumping();
 #if defined(OS_WIN)
   base::RouteStdioToConsole(false);
 #endif
 #endif
 
   {
     mojo::edk::Init();
 
     ProcessDelegate process_delegate;
     base::Thread io_thread("io_thread");
     base::Thread::Options io_thread_options(base::MessageLoop::TYPE_IO, 0);
     CHECK(io_thread.StartWithOptions(io_thread_options));
 
     mojo::edk::InitIPCSupport(&process_delegate, io_thread.task_runner());
     mojo::edk::SetParentPipeHandleFromCommandLine();
 
     base::MessageLoop loop;
-    mojo::ShellConnection impl(
-        shell_client, mojo::shell::GetShellClientRequestFromCommandLine());
+    shell::ShellConnection impl(shell_client,
+                                shell::GetShellClientRequestFromCommandLine());
     loop.Run();
 
     mojo::edk::ShutdownIPCSupport();
   }
 
   return 0;
 }
 
 }  // namespace shell
-}  // namespace mojo