Move Web-facing fullscreen APIs to DocumentFullscreen and ElementFullscreen

Source/core/dom/ElementFullscreen.cpp

+// Copyright 2014 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "config.h"
+#include "core/dom/ElementFullscreen.h"
+
+#include "core/dom/FullscreenElementStack.h"
+
+namespace blink {
+
+void ElementFullscreen::webkitRequestFullscreen(Element& element)
+{
+    FullscreenElementStack::from(element.document()).requestFullscreen(element, FullscreenElementStack::PrefixedRequest);
+}
+
+void ElementFullscreen::webkitRequestFullScreen(Element& element, unsigned short flags)
+{
+    FullscreenElementStack::RequestType requestType;
+    if (flags & ALLOW_KEYBOARD_INPUT)
+        requestType = FullscreenElementStack::PrefixedMozillaAllowKeyboardInputRequest;
+    else
+        requestType = FullscreenElementStack::PrefixedMozillaRequest;
+    FullscreenElementStack::from(element.document()).requestFullscreen(element, requestType);
+}
+
+} // namespace blink