Revert of Remove the allowfullscreen exemption for the video-specific fullscreen API

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 15 matching lines @@
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #include "config.h"
 #include "core/html/shadow/MediaControlElements.h"
 
 #include "bindings/core/v8/ExceptionStatePlaceholder.h"
 #include "core/InputTypeNames.h"
 #include "core/dom/DOMTokenList.h"
-#include "core/dom/Fullscreen.h"
 #include "core/dom/shadow/ShadowRoot.h"
 #include "core/events/MouseEvent.h"
 #include "core/frame/LocalFrame.h"
 #include "core/html/HTMLVideoElement.h"
 #include "core/html/MediaController.h"
 #include "core/html/TimeRanges.h"
 #include "core/html/shadow/MediaControls.h"
 #include "core/layout/LayoutSlider.h"
 #include "core/layout/LayoutTheme.h"
 #include "core/layout/LayoutVideo.h"
@@ skipping 465 matching lines @@
     button->ensureUserAgentShadowRoot();
     button->setType(InputTypeNames::button);
     button->setShadowPseudoId(AtomicString("-webkit-media-controls-fullscreen-button", AtomicString::ConstructFromLiteral));
     button->hide();
     return button.release();
 }
 
 void MediaControlFullscreenButtonElement::defaultEventHandler(Event* event)
 {
     if (event->type() == EventTypeNames::click) {
-        Fullscreen& fullscreen = Fullscreen::from(document());
         if (mediaElement().isFullscreen())
-            fullscreen.exitFullscreen();
+            mediaElement().exitFullscreen();
         else
-            fullscreen.requestFullscreen(mediaElement(), Fullscreen::InternalVideoRequest);
+            mediaElement().enterFullscreen();
         event->setDefaultHandled();
     }
     HTMLInputElement::defaultEventHandler(event);
 }
 
 void MediaControlFullscreenButtonElement::setIsFullscreen(bool isFullscreen)
 {
     setDisplayType(isFullscreen ? MediaExitFullscreenButton : MediaEnterFullscreenButton);
 }
 
@@ skipping 76 matching lines @@
 }
 
 PassRefPtrWillBeRawPtr<MediaControlCurrentTimeDisplayElement> MediaControlCurrentTimeDisplayElement::create(MediaControls& mediaControls)
 {
     RefPtrWillBeRawPtr<MediaControlCurrentTimeDisplayElement> element = adoptRefWillBeNoop(new MediaControlCurrentTimeDisplayElement(mediaControls));
     element->setShadowPseudoId(AtomicString("-webkit-media-controls-current-time-display", AtomicString::ConstructFromLiteral));
     return element.release();
 }
 
 } // namespace blink