Clean up media header include guards

media/cast/test/utility/input_builder.h

 // Copyright 2014 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 MEDIA_CAST_TEST_UTILITY_INPUT_BUILDER_
-#define MEDIA_CAST_TEST_UTILITY_INPUT_BUILDER_
+#ifndef MEDIA_CAST_TEST_UTILITY_INPUT_BUILDER_H_
+#define MEDIA_CAST_TEST_UTILITY_INPUT_BUILDER_H_
 
 #include <limits.h>
 
 #include <string>
 
 namespace media {
 namespace cast {
 namespace test {
 
 // This class handles general user input to the application. The user will be
@@ skipping 24 matching lines @@
   const std::string default_value_;
   // Low and high range values for input validation.
   const int low_range_;
   const int high_range_;
 };
 
 }  // namespace test
 }  // namespace cast
 }  // namespace media
 
-#endif  // MEDIA_CAST_TEST_UTILITY_INPUT_BUILDER_
+#endif  // MEDIA_CAST_TEST_UTILITY_INPUT_BUILDER_H_