Add a requestFullscreen variant with a default (prefixed) type

third_party/WebKit/Source/core/dom/Fullscreen.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)
@@ skipping 299 matching lines @@
   m_eventQueue.clear();
 
   if (m_fullScreenLayoutObject)
     m_fullScreenLayoutObject->destroy();
 
   m_currentFullScreenElement = nullptr;
   m_fullscreenElementStack.clear();
 }
 
 // https://fullscreen.spec.whatwg.org/#dom-element-requestfullscreen
+void Fullscreen::requestFullscreen(Element& element) {
+  // TODO(foolip): Make RequestType::Unprefixed the default when the unprefixed
+  // API is enabled. https://crbug.com/383813
+  requestFullscreen(element, RequestType::Prefixed, false);
+}
+
 void Fullscreen::requestFullscreen(Element& element,
                                    RequestType requestType,
                                    bool forCrossProcessDescendant) {
   Document& document = element.document();
 
   // Use counters only need to be incremented in the process of the actual
   // fullscreen element.
   if (!forCrossProcessDescendant) {
     if (document.isSecureContext()) {
       UseCounter::count(document, UseCounter::FullscreenSecureOrigin);
@@ skipping 387 matching lines @@
   m_fullScreenLayoutObject = layoutObject;
 }
 
 void Fullscreen::fullScreenLayoutObjectDestroyed() {
   m_fullScreenLayoutObject = nullptr;
 }
 
 void Fullscreen::enqueueChangeEvent(Document& document,
                                     RequestType requestType) {
   Event* event;
-  if (requestType == UnprefixedRequest) {
+  if (requestType == RequestType::Unprefixed) {
     event = createEvent(EventTypeNames::fullscreenchange, document);
   } else {
     DCHECK(document.hasFullscreenSupplement());
     Fullscreen& fullscreen = from(document);
     EventTarget* target = fullscreen.fullscreenElement();
     if (!target)
       target = fullscreen.currentFullScreenElement();
     if (!target)
       target = &document;
     event = createEvent(EventTypeNames::webkitfullscreenchange, *target);
   }
   m_eventQueue.append(event);
   // NOTE: The timer is started in didEnterFullscreen/didExitFullscreen.
 }
 
 void Fullscreen::enqueueErrorEvent(Element& element, RequestType requestType) {
   Event* event;
-  if (requestType == UnprefixedRequest)
+  if (requestType == RequestType::Unprefixed)
     event = createEvent(EventTypeNames::fullscreenerror, element.document());
   else
     event = createEvent(EventTypeNames::webkitfullscreenerror, element);
   m_eventQueue.append(event);
   m_eventQueueTimer.startOneShot(0, BLINK_FROM_HERE);
 }
 
 void Fullscreen::eventQueueTimerFired(TimerBase*) {
   HeapDeque<Member<Event>> eventQueue;
   m_eventQueue.swap(eventQueue);
@@ skipping 56 matching lines @@
 DEFINE_TRACE(Fullscreen) {
   visitor->trace(m_pendingFullscreenElement);
   visitor->trace(m_fullscreenElementStack);
   visitor->trace(m_currentFullScreenElement);
   visitor->trace(m_eventQueue);
   Supplement<Document>::trace(visitor);
   ContextLifecycleObserver::trace(visitor);
 }
 
 }  // namespace blink