Cleanup: Fix content header include guards.

content/common/input/input_event_stream_validator.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 CONTENT_COMMON_INPUT_EVENT_STREAM_VALIDATOR
-#define CONTENT_COMMON_INPUT_EVENT_STREAM_VALIDATOR
+#ifndef CONTENT_COMMON_INPUT_INPUT_EVENT_STREAM_VALIDATOR_H_
+#define CONTENT_COMMON_INPUT_INPUT_EVENT_STREAM_VALIDATOR_H_
 
 #include <string>
 
 #include "content/common/input/gesture_event_stream_validator.h"
 #include "content/common/input/touch_event_stream_validator.h"
 
 namespace blink {
 class WebInputEvent;
 }
 
@@ skipping 14 matching lines @@
   GestureEventStreamValidator gesture_validator_;
   TouchEventStreamValidator touch_validator_;
   std::string error_msg_;
   const bool enabled_;
 
   DISALLOW_COPY_AND_ASSIGN(InputEventStreamValidator);
 };
 
 }  // namespace content
 
-#endif  // CONTENT_COMMON_INPUT_EVENT_STREAM_VALIDATOR
+#endif  // CONTENT_COMMON_INPUT_INPUT_EVENT_STREAM_VALIDATOR_H_