Remove the mediaFullscreenRequiresUserGesture setting

Source/core/dom/FullscreenElementStack.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  *           (C) 2006 Alexey Proskuryakov (ap@webkit.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2012 Apple Inc. All rights reserved.
  * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies)
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
@@ skipping 15 matching lines @@
  */
 
 #include "config.h"
 #include "core/dom/FullscreenElementStack.h"
 
 #include "HTMLNames.h"
 #include "core/dom/Document.h"
 #include "core/events/Event.h"
 #include "core/frame/FrameHost.h"
 #include "core/frame/LocalFrame.h"
-#include "core/frame/Settings.h"
 #include "core/frame/UseCounter.h"
 #include "core/html/HTMLFrameOwnerElement.h"
-#include "core/html/HTMLMediaElement.h"
 #include "core/page/Chrome.h"
 #include "core/page/ChromeClient.h"
 #include "core/rendering/RenderFullScreen.h"
 #include "platform/UserGestureIndicator.h"
 
 namespace WebCore {
 
 using namespace HTMLNames;
 
 static bool fullscreenIsAllowedForAllOwners(const Document& document)
@@ skipping 138 matching lines @@
                 break;
             }
         }
         if (descendentHasNonEmptyStack && !inLegacyMozillaMode)
             break;
 
         // This algorithm is not allowed to show a pop-up:
         //   An algorithm is allowed to show a pop-up if, in the task in which the algorithm is running, either:
         //   - an activation behavior is currently being processed whose click event was trusted, or
         //   - the event listener for a trusted click event is being handled.
-        // FIXME: Does this need to null-check settings()?
-        if (!UserGestureIndicator::processingUserGesture() && (!isHTMLMediaElement(*element) || document()->settings()->mediaFullscreenRequiresUserGesture()))
+        if (!UserGestureIndicator::processingUserGesture())
             break;
 
         // There is a previously-established user preference, security risk, or platform limitation.
 
         // 2. Let doc be element's node document. (i.e. "this")
         Document* currentDoc = document();
 
         // 3. Let docs be all doc's ancestor browsing context's documents (if any) and doc.
         Deque<Document*> docs;
 
@@ skipping 361 matching lines @@
         if (!target)
             target = fullscreen->webkitCurrentFullScreenElement();
     }
 
     if (!target)
         target = doc;
     m_fullScreenChangeEventTargetQueue.append(target);
 }
 
 } // namespace WebCore