Cleaned up usage of std::wstring in src/remoting. Added presubmit warning supressions for the reman…

remoting/host/win/launch_process_with_token.h

 // Copyright (c) 2012 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 REMOTING_HOST_WIN_LAUNCH_PROCESS_WITH_TOKEN_H_
 #define REMOTING_HOST_WIN_LAUNCH_PROCESS_WITH_TOKEN_H_
 
 #include <windows.h>
 #include <string>
 
+#include "base/command_line.h"
 #include "base/file_path.h"
 #include "base/process_util.h"
 
 namespace remoting {
 
 // Launches |binary| in the security context of the user represented by
 // |user_token|. The session ID specified by the token is respected as well.
 bool LaunchProcessWithToken(const FilePath& binary,
-                            const std::wstring& command_line,
+                            const CommandLine::StringType& command_line,
                             HANDLE user_token,
                             base::Process* process_out);
 
 } // namespace remoting
 
 #endif  // REMOTING_HOST_WIN_LAUNCH_PROCESS_WITH_TOKEN_H_