Move shell service to toplevel shell namespace

services/shell/runner/common/client_util.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 SERVICES_SHELL_RUNNER_COMMON_CLIENT_UTIL_H_
 #define SERVICES_SHELL_RUNNER_COMMON_CLIENT_UTIL_H_
 
 #include "services/shell/public/interfaces/shell_client.mojom.h"
 
 namespace base {
 class CommandLine;
 }
 
-namespace mojo {
 namespace shell {
 
 // Creates a new ShellClient pipe and returns one end of it. The other end is
 // passed via a token in |command_line|. A child of the calling process may
 // extract a ShellClientRequest from this by calling
 // GetShellClientRequestFromCommandLine().
 mojom::ShellClientPtr PassShellClientRequestOnCommandLine(
     base::CommandLine* command_line);
 
 // Extracts a ShellClientRequest from the command line of the current process.
 // The parent of this process should have passed a request using
 // PassShellClientRequestOnCommandLine().
 mojom::ShellClientRequest GetShellClientRequestFromCommandLine();
 
 }  // namespace shell
-}  // namespace mojo
 
 #endif  // SERVICES_SHELL_RUNNER_COMMON_CLIENT_UTIL_H_