Media Controls: don't activate buttons when tapping on hidden controls.

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

 /*
  * 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 28 matching lines @@
 class CORE_EXPORT MediaControls final : public HTMLDivElement {
  public:
   static MediaControls* create(HTMLMediaElement&);
 
   HTMLMediaElement& mediaElement() const { return *m_mediaElement; }
 
   void reset();
 
   void show();
   void hide();
+  bool isVisible() const;
 
   void playbackStarted();
   void playbackProgressed();
   void playbackStopped();
 
   void beginScrubbing();
   void endScrubbing();
 
   void updateCurrentTimeDisplay();
 
@@ skipping 56 matching lines @@
 
   void makeOpaque();
   void makeTransparent();
 
   void updatePlayState();
 
   enum HideBehaviorFlags {
     IgnoreNone = 0,
     IgnoreVideoHover = 1 << 0,
     IgnoreFocus = 1 << 1,
-    IgnoreControlsHover = 1 << 2
+    IgnoreControlsHover = 1 << 2,
+    IgnoreWaitForTimer = 1 << 3,
   };
 
   bool shouldHideMediaControls(unsigned behaviorFlags = 0) const;
   void hideMediaControlsTimerFired(TimerBase*);
   void startHideMediaControlsTimer();
   void stopHideMediaControlsTimer();
   void resetHideMediaControlsTimer();
 
   void panelWidthChangedTimerFired(TimerBase*);
 
@@ skipping 37 matching lines @@
 
   Timer<MediaControls> m_hideMediaControlsTimer;
   unsigned m_hideTimerBehaviorFlags;
   bool m_isMouseOverControls : 1;
   bool m_isPausedForScrubbing : 1;
 
   Timer<MediaControls> m_panelWidthChangedTimer;
   int m_panelWidth;
 
   bool m_allowHiddenVolumeControls : 1;
+  bool m_keepShowingUntilTimerFires : 1;
 };
 
 DEFINE_ELEMENT_TYPE_CASTS(MediaControls, isMediaControls());
 
 }  // namespace blink
 
 #endif