Media Controls: do not handle any event if no controls should be visible.

third_party/WebKit/Source/core/html/shadow/MediaControls.cpp

 /*
  * Copyright (C) 2011, 2012 Apple Inc. All rights reserved.
  * Copyright (C) 2011, 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.
  * 2. Redistributions in binary form must reproduce the above copyright
@@ skipping 552 matching lines @@
 }
 
 void MediaControls::stoppedCasting() {
   m_castButton->setIsPlayingRemotely(false);
   m_overlayCastButton->setIsPlayingRemotely(false);
 }
 
 void MediaControls::defaultEventHandler(Event* event) {
   HTMLDivElement::defaultEventHandler(event);
 
+  // Do not handle events to not interfere with the rest of the page if no
+  // controls should be visible.
+  if (!mediaElement().shouldShowControls())
+    return;
+
   // Add IgnoreControlsHover to m_hideTimerBehaviorFlags when we see a touch
   // event, to allow the hide-timer to do the right thing when it fires.
   // FIXME: Preferably we would only do this when we're actually handling the
   // event here ourselves.
   bool isTouchEvent =
       event->isTouchEvent() || event->isGestureEvent() ||
       (event->isMouseEvent() && toMouseEvent(event)->fromTouch());
   m_hideTimerBehaviorFlags |= isTouchEvent ? IgnoreControlsHover : IgnoreNone;
 
   // Touch events are treated differently to avoid fake mouse events to trigger
@@ skipping 384 matching lines @@
   visitor->trace(m_overflowList);
   visitor->trace(m_castButton);
   visitor->trace(m_overlayCastButton);
   visitor->trace(m_mediaEventListener);
   visitor->trace(m_windowEventListener);
   visitor->trace(m_orientationLockDelegate);
   HTMLDivElement::trace(visitor);
 }
 
 }  // namespace blink