Remove unused MediaControls* in MediaControlToggleClosedCaptionsButtonElement

Source/core/html/shadow/MediaControlElements.cpp

 /*
  * Copyright (C) 2008, 2009, 2010, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2012 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:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
@@ skipping 381 matching lines @@
 
 const AtomicString& MediaControlOverlayPlayButtonElement::shadowPseudoId() const
 {
     DEFINE_STATIC_LOCAL(AtomicString, id, ("-webkit-media-controls-overlay-play-button", AtomicString::ConstructFromLiteral));
     return id;
 }
 
 
 // ----------------------------
 
-MediaControlToggleClosedCaptionsButtonElement::MediaControlToggleClosedCaptionsButtonElement(Document& document, MediaControls*)
+MediaControlToggleClosedCaptionsButtonElement::MediaControlToggleClosedCaptionsButtonElement(Document& document)
     : MediaControlInputElement(document, MediaShowClosedCaptionsButton)
 {
 }
 
-PassRefPtr<MediaControlToggleClosedCaptionsButtonElement> MediaControlToggleClosedCaptionsButtonElement::create(Document& document, MediaControls* controls)
+PassRefPtr<MediaControlToggleClosedCaptionsButtonElement> MediaControlToggleClosedCaptionsButtonElement::create(Document& document)
 {
-    ASSERT(controls);
-
-    RefPtr<MediaControlToggleClosedCaptionsButtonElement> button = adoptRef(new MediaControlToggleClosedCaptionsButtonElement(document, controls));
+    RefPtr<MediaControlToggleClosedCaptionsButtonElement> button = adoptRef(new MediaControlToggleClosedCaptionsButtonElement(document));
     button->ensureUserAgentShadowRoot();
     button->setType("button");
     button->hide();
     return button.release();
 }
 
 void MediaControlToggleClosedCaptionsButtonElement::updateDisplayType()
 {
     bool captionsVisible = mediaController()->closedCaptionsVisible();
     setDisplayType(captionsVisible ? MediaHideClosedCaptionsButton : MediaShowClosedCaptionsButton);
@@ skipping 368 matching lines @@
     float fontSize = smallestDimension * 0.05f;
     if (fontSize != m_fontSize) {
         m_fontSize = fontSize;
         setInlineStyleProperty(CSSPropertyFontSize, fontSize, CSSPrimitiveValue::CSS_PX);
     }
 }
 
 // ----------------------------
 
 } // namespace WebCore