Implement the unprefixed the Fullscreen API

Source/core/dom/DocumentFullscreen.cpp

Index: Source/core/dom/DocumentFullscreen.cpp
diff --git a/Source/core/dom/DocumentFullscreen.cpp b/Source/core/dom/DocumentFullscreen.cpp
index 29ced8058a419498aa28d217110e30b8ce48ffc4..a891999d48471fde8f4478295d7ff0363b6eaa05 100644
--- a/Source/core/dom/DocumentFullscreen.cpp
+++ b/Source/core/dom/DocumentFullscreen.cpp
@@ -30,6 +30,23 @@
 
 namespace WebCore {
 
+bool DocumentFullscreen::fullscreenEnabled(Document& document)
+{
+    return FullscreenElementStack::fullscreenEnabled(document);
+}
+
+Element* DocumentFullscreen::fullscreenElement(Document& document)
+{
+    if (FullscreenElementStack* fullscreen = FullscreenElementStack::fromIfExists(document))
+        return fullscreen->fullscreenElement();
+    return 0;
+}
+
+void DocumentFullscreen::exitFullscreen(Document& document)
+{
+    FullscreenElementStack::from(document).exitFullscreen();
+}
+
 bool DocumentFullscreen::webkitIsFullScreen(Document& document)
 {
     if (FullscreenElementStack* fullscreen = FullscreenElementStack::fromIfExists(document))
@@ -56,21 +73,4 @@ void DocumentFullscreen::webkitCancelFullScreen(Document& document)
     FullscreenElementStack::from(document).fullyExitFullscreen();
 }
 
-bool DocumentFullscreen::webkitFullscreenEnabled(Document& document)
-{
-    return FullscreenElementStack::fullscreenEnabled(document);
-}
-
-Element* DocumentFullscreen::webkitFullscreenElement(Document& document)
-{
-    if (FullscreenElementStack* fullscreen = FullscreenElementStack::fromIfExists(document))
-        return fullscreen->fullscreenElement();
-    return 0;
-}
-
-void DocumentFullscreen::webkitExitFullscreen(Document& document)
-{
-    FullscreenElementStack::from(document).exitFullscreen();
-}
-
 } // namespace WebCore