Add a requestFullscreen variant with a default (prefixed) type

third_party/WebKit/Source/core/html/HTMLMediaElement.cpp

Index: third_party/WebKit/Source/core/html/HTMLMediaElement.cpp
diff --git a/third_party/WebKit/Source/core/html/HTMLMediaElement.cpp b/third_party/WebKit/Source/core/html/HTMLMediaElement.cpp
index ecaa0dcc8ea2af055fb8fe787acdd8d1f5cf894e..27ca341552576ccc4ae6b9de14eeea779a894f77 100644
--- a/third_party/WebKit/Source/core/html/HTMLMediaElement.cpp
+++ b/third_party/WebKit/Source/core/html/HTMLMediaElement.cpp
@@ -3417,18 +3417,6 @@ bool HTMLMediaElement::isFullscreen() const {
   return Fullscreen::isCurrentFullScreenElement(*this);
 }
 
-void HTMLMediaElement::enterFullscreen() {
-  BLINK_MEDIA_LOG << "enterFullscreen(" << (void*)this << ")";
-
-  Fullscreen::requestFullscreen(*this, Fullscreen::PrefixedRequest);
-}
-
-void HTMLMediaElement::exitFullscreen() {
-  BLINK_MEDIA_LOG << "exitFullscreen(" << (void*)this << ")";
-
-  Fullscreen::exitFullscreen(document());
-}
-
 void HTMLMediaElement::didEnterFullscreen() {
   configureMediaControls();
   if (mediaControls())