Only show overlay play button when controls are enabled.

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 265 matching lines @@
 {
     if (event->type() == EventTypeNames::click && mediaElement().togglePlayStateWillPlay()) {
         mediaElement().togglePlayState();
         updateDisplayType();
         event->setDefaultHandled();
     }
 }
 
 void MediaControlOverlayPlayButtonElement::updateDisplayType()
 {
-    if (mediaElement().togglePlayStateWillPlay()) {
+    if (mediaElement().shouldShowControls() && mediaElement().togglePlayStateWillPlay()) {
         show();
     } else
         hide();
 }
 
 const AtomicString& MediaControlOverlayPlayButtonElement::shadowPseudoId() const
 {
     DEFINE_STATIC_LOCAL(AtomicString, id, ("-webkit-media-controls-overlay-play-button", AtomicString::ConstructFromLiteral));
     return id;
 }
@@ skipping 378 matching lines @@
     float fontSize = smallestDimension * 0.05f;
     if (fontSize != m_fontSize) {
         m_fontSize = fontSize;
         setInlineStyleProperty(CSSPropertyFontSize, fontSize, CSSPrimitiveValue::CSS_PX);
     }
 }
 
 // ----------------------------
 
 } // namespace WebCore