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

remoting/host/win/launch_process_with_token.h

Index: remoting/host/win/launch_process_with_token.h
diff --git a/remoting/host/win/launch_process_with_token.h b/remoting/host/win/launch_process_with_token.h
index 8234aae0163e5c9648040edd0d0a57ec53f67e4f..d0f737bcd3e8e541f7cea8891c14a1758fbcc5c0 100644
--- a/remoting/host/win/launch_process_with_token.h
+++ b/remoting/host/win/launch_process_with_token.h
@@ -8,6 +8,7 @@
 #include <windows.h>
 #include <string>
 
+#include "base/command_line.h"
 #include "base/file_path.h"
 #include "base/process_util.h"
 
@@ -16,7 +17,7 @@ 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);