Let the overlay playback button fall back to the activation behavior

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 253 matching lines @@
 }
 
 PassRefPtr<MediaControlOverlayPlayButtonElement> MediaControlOverlayPlayButtonElement::create(MediaControls& mediaControls)
 {
     RefPtr<MediaControlOverlayPlayButtonElement> button = adoptRef(new MediaControlOverlayPlayButtonElement(mediaControls));
     button->ensureUserAgentShadowRoot();
     button->setType("button");
     return button.release();
 }
 
-void MediaControlOverlayPlayButtonElement::defaultEventHandler(Event* event)
-{
-    if (event->type() == EventTypeNames::click && mediaElement().togglePlayStateWillPlay()) {
-        mediaElement().togglePlayState();
-        updateDisplayType();
-        event->setDefaultHandled();
-    }
-    HTMLInputElement::defaultEventHandler(event);
-}
-
 void MediaControlOverlayPlayButtonElement::updateDisplayType()
 {
     if (mediaElement().togglePlayStateWillPlay()) {
         show();
     } else
         hide();
 }
 
 const AtomicString& MediaControlOverlayPlayButtonElement::shadowPseudoId() const
 {
@@ skipping 380 matching lines @@
     float fontSize = smallestDimension * 0.05f;
     if (fontSize != m_fontSize) {
         m_fontSize = fontSize;
         setInlineStyleProperty(CSSPropertyFontSize, fontSize, CSSPrimitiveValue::CSS_PX);
     }
 }
 
 // ----------------------------
 
 } // namespace WebCore