Support subtitles for native fullscreen video

Source/core/dom/FullscreenElementStack.cpp

Index: Source/core/dom/FullscreenElementStack.cpp
diff --git a/Source/core/dom/FullscreenElementStack.cpp b/Source/core/dom/FullscreenElementStack.cpp
index 78dfe24d2ecabae3dc7a06be3d621ce017f3d36d..9368513b8d3ad43441a94e9feee59021d1441d21 100644
--- a/Source/core/dom/FullscreenElementStack.cpp
+++ b/Source/core/dom/FullscreenElementStack.cpp
@@ -367,11 +367,6 @@ void FullscreenElementStack::webkitWillEnterFullScreenForElement(Element* elemen
 
     m_fullScreenElement = element;
 
-#if USE(NATIVE_FULLSCREEN_VIDEO)
-    if (element && element->isMediaElement())
-        return;
-#endif
-
     // Create a placeholder block for a the full-screen element, to keep the page from reflowing
     // when the element is removed from the normal flow. Only do this for a RenderBox, as only
     // a box will have a frameRect. The placeholder will be created in setFullScreenRenderer()