Have Frame::script() return a reference

Source/core/html/HTMLMediaElement.cpp

 /*
  * Copyright (C) 2007, 2008, 2009, 2010, 2011, 2012, 2013 Apple 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:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 2251 matching lines @@
 {
     LOG(Media, "HTMLMediaElement::setLoop(%s)", boolString(b));
     setBooleanAttribute(loopAttr, b);
 }
 
 bool HTMLMediaElement::controls() const
 {
     Frame* frame = document().frame();
 
     // always show controls when scripting is disabled
-    if (frame && !frame->script()->canExecuteScripts(NotAboutToExecuteScript))
+    if (frame && !frame->script().canExecuteScripts(NotAboutToExecuteScript))
         return true;
 
     // Always show controls when in full screen mode.
     if (isFullscreen())
         return true;
 
     return fastHasAttribute(controlsAttr);
 }
 
 void HTMLMediaElement::setControls(bool b)
@@ skipping 1593 matching lines @@
 {
     scheduleLayerUpdate();
 }
 
 bool HTMLMediaElement::isInteractiveContent() const
 {
     return fastHasAttribute(controlsAttr);
 }
 
 }