Reenable framebusting

third_party/WebKit/Source/web/WebUserGestureIndicator.cpp

 /*
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 35 matching lines @@
 
 // TODO(csharrison): consumeUserGesture() and currentUserGestureToken() use
 // the thread-safe API, which many callers probably do not need. Consider
 // updating them if they are in any sort of critical path or called often.
 bool WebUserGestureIndicator::consumeUserGesture() {
   return UserGestureIndicator::consumeUserGestureThreadSafe();
 }
 
 bool WebUserGestureIndicator::processedUserGestureSinceLoad(
     WebLocalFrame* frame) {
-  Document* document = toWebLocalFrameImpl(frame)->frame()->document();
-  return document->hasReceivedUserGesture();
+  return toWebLocalFrameImpl(frame)->frame()->hasReceivedUserGesture();
 }
 
 WebUserGestureToken WebUserGestureIndicator::currentUserGestureToken() {
   return WebUserGestureToken(UserGestureIndicator::currentTokenThreadSafe());
 }
 
 }  // namespace blink