Add a mediaControlsOverlayPlayButtonEnabled setting

Source/web/WebSettingsImpl.cpp

 /*
  * Copyright (C) 2009 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 633 matching lines @@
 bool WebSettingsImpl::shrinksViewportContentToFit() const
 {
     return m_shrinksViewportContentToFit;
 }
 
 void WebSettingsImpl::setShouldRespectImageOrientation(bool enabled)
 {
     m_settings->setShouldRespectImageOrientation(enabled);
 }
 
+void WebSettingsImpl::setMediaControlsOverlayPlayButtonEnabled(bool enabled)
+{
+    m_settings->setMediaControlsOverlayPlayButtonEnabled(enabled);
+}
+
 void WebSettingsImpl::setMediaPlaybackRequiresUserGesture(bool required)
 {
     m_settings->setMediaPlaybackRequiresUserGesture(required);
 }
 
 void WebSettingsImpl::setViewportEnabled(bool enabled)
 {
     m_settings->setViewportEnabled(enabled);
 }
 
@@ skipping 66 matching lines @@
 {
     m_settings->setUseSolidColorScrollbars(enabled);
 }
 
 void WebSettingsImpl::setMainFrameResizesAreOrientationChanges(bool enabled)
 {
     m_mainFrameResizesAreOrientationChanges = enabled;
 }
 
 } // namespace blink