Support subtitles for native fullscreen video

Source/core/html/HTMLMediaElement.cpp

 /*
  * Copyright (C) 2007, 2008, 2009, 2010, 2011, 2012, 2013 Apple 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
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 48 matching lines @@
 #include "core/page/Page.h"
 #include "core/page/Settings.h"
 #include "core/platform/ContentType.h"
 #include "core/platform/Language.h"
 #include "core/platform/Logging.h"
 #include "core/platform/MIMETypeFromURL.h"
 #include "core/platform/MIMETypeRegistry.h"
 #include "core/platform/NotImplemented.h"
 #include "core/platform/graphics/InbandTextTrackPrivate.h"
 #include "core/platform/graphics/MediaPlayer.h"
+#include "core/rendering/RenderLayerCompositor.h"
 #include "core/rendering/RenderVideo.h"
+#include "core/rendering/RenderView.h"
 #include "modules/mediastream/MediaStreamRegistry.h"
 #include "public/platform/Platform.h"
 #include "weborigin/SecurityOrigin.h"
 #include "wtf/CurrentTime.h"
 #include "wtf/MathExtras.h"
 #include "wtf/NonCopyingSort.h"
 #include "wtf/Uint8Array.h"
 #include "wtf/text/CString.h"
 #include <limits>
 
@@ skipping 3474 matching lines @@
     LOG(Media, "HTMLMediaElement::exitFullscreen");
 
     if (document().settings() && document().settings()->fullScreenEnabled() && isFullscreen())
         FullscreenElementStack::from(&document())->webkitCancelFullScreen();
 }
 
 void HTMLMediaElement::didBecomeFullscreenElement()
 {
     if (hasMediaControls())
         mediaControls()->enteredFullscreen();
+    if (RuntimeEnabledFeatures::overlayFullscreenVideoEnabled() && isVideo())
+        document().renderView()->compositor()->setCompositingLayersNeedRebuild(true);
 }
 
 void HTMLMediaElement::willStopBeingFullscreenElement()
 {
     if (hasMediaControls())
         mediaControls()->exitedFullscreen();
+    if (RuntimeEnabledFeatures::overlayFullscreenVideoEnabled() && isVideo())
+        document().renderView()->compositor()->setCompositingLayersNeedRebuild(true);
 }
 
 WebKit::WebLayer* HTMLMediaElement::platformLayer() const
 {
     return m_player ? m_player->platformLayer() : 0;
 }
 
 bool HTMLMediaElement::hasClosedCaptions() const
 {
     if (RuntimeEnabledFeatures::videoTrackEnabled() && m_textTracks) {
@@ skipping 407 matching lines @@
 {
     m_restrictions = NoRestrictions;
 }
 
 void HTMLMediaElement::mediaPlayerScheduleLayerUpdate()
 {
     scheduleLayerUpdate();
 }
 
 }