Remove the allowfullscreen exemption for the video-specific fullscreen API

Source/core/html/shadow/MediaControlElements.cpp

Index: Source/core/html/shadow/MediaControlElements.cpp
diff --git a/Source/core/html/shadow/MediaControlElements.cpp b/Source/core/html/shadow/MediaControlElements.cpp
index f64e0c885a218012531856eae13dab7a3929a1cc..c66ef9e0741eaa2fc9ac05c002b2042be9c8fdac 100644
--- a/Source/core/html/shadow/MediaControlElements.cpp
+++ b/Source/core/html/shadow/MediaControlElements.cpp
@@ -33,6 +33,7 @@
 #include "bindings/core/v8/ExceptionStatePlaceholder.h"
 #include "core/InputTypeNames.h"
 #include "core/dom/DOMTokenList.h"
+#include "core/dom/Fullscreen.h"
 #include "core/dom/shadow/ShadowRoot.h"
 #include "core/events/MouseEvent.h"
 #include "core/frame/LocalFrame.h"
@@ -512,10 +513,11 @@ PassRefPtrWillBeRawPtr<MediaControlFullscreenButtonElement> MediaControlFullscre
 void MediaControlFullscreenButtonElement::defaultEventHandler(Event* event)
 {
     if (event->type() == EventTypeNames::click) {
+        Fullscreen& fullscreen = Fullscreen::from(document());
         if (mediaElement().isFullscreen())
-            mediaElement().exitFullscreen();
+            fullscreen.exitFullscreen();
         else
-            mediaElement().enterFullscreen();
+            fullscreen.requestFullscreen(mediaElement(), Fullscreen::InternalVideoRequest);
         event->setDefaultHandled();
     }
     HTMLInputElement::defaultEventHandler(event);