Fix outdated header guard names

webrtc/rtc_tools/simple_command_line_parser.h

 /*
  *  Copyright (c) 2012 The WebRTC project authors. All Rights Reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
-#ifndef WEBRTC_TOOLS_SIMPLE_COMMAND_LINE_PARSER_H_
-#define WEBRTC_TOOLS_SIMPLE_COMMAND_LINE_PARSER_H_
+#ifndef WEBRTC_RTC_TOOLS_SIMPLE_COMMAND_LINE_PARSER_H_
+#define WEBRTC_RTC_TOOLS_SIMPLE_COMMAND_LINE_PARSER_H_
 
 #include <map>
 #include <string>
 #include <vector>
 
 #include "webrtc/rtc_base/constructormagic.h"
 #include "webrtc/rtc_base/gtest_prod_util.h"
 
 // This is a very basic command line parsing class. We pass the command line
 // arguments and their number and the class forms a vector out of these. Than we
@@ skipping 67 matching lines @@
   FRIEND_TEST_ALL_PREFIXES(CommandLineParserTest, IsFlagWellFormed);
   FRIEND_TEST_ALL_PREFIXES(CommandLineParserTest, GetCommandLineFlagName);
   FRIEND_TEST_ALL_PREFIXES(CommandLineParserTest, GetCommandLineFlagValue);
 
   RTC_DISALLOW_COPY_AND_ASSIGN(CommandLineParser);
 };
 
 }  // namespace test
 }  // namespace webrtc
 
-#endif  // WEBRTC_TOOLS_SIMPLE_COMMAND_LINE_PARSER_H_
+#endif  // WEBRTC_RTC_TOOLS_SIMPLE_COMMAND_LINE_PARSER_H_