Remove last of webkit prefixes from HTMLDocument.

tools/dom/templates/html/impl/impl_HTMLDocument.darttemplate

Index: tools/dom/templates/html/impl/impl_HTMLDocument.darttemplate
diff --git a/tools/dom/templates/html/impl/impl_HTMLDocument.darttemplate b/tools/dom/templates/html/impl/impl_HTMLDocument.darttemplate
index c64f11a30730523044b3d42b4c424b3a8aa0ceef..a8940cbf92aa6989d9dafaf75176e0b333bc31c4 100644
--- a/tools/dom/templates/html/impl/impl_HTMLDocument.darttemplate
+++ b/tools/dom/templates/html/impl/impl_HTMLDocument.darttemplate
@@ -100,36 +100,63 @@ $endif
   }
 
   @DomName('Document.webkitCancelFullScreen')
-  void webkitCancelFullScreen() {
+  @SupportedBrowser(SupportedBrowser.CHROME)
+  @SupportedBrowser(SupportedBrowser.SAFARI)
+  @Experimental
+  void cancelFullScreen() {
     document.$dom_webkitCancelFullScreen();
   }
 
   @DomName('Document.webkitExitFullscreen')
-  void webkitExitFullscreen() {
+  @SupportedBrowser(SupportedBrowser.CHROME)
+  @SupportedBrowser(SupportedBrowser.SAFARI)
+  @Experimental
+  void exitFullscreen() {
     document.$dom_webkitExitFullscreen();
   }
 
   @DomName('Document.webkitExitPointerLock')
-  void webkitExitPointerLock() {
+  @SupportedBrowser(SupportedBrowser.CHROME)
+  @SupportedBrowser(SupportedBrowser.SAFARI)
+  @Experimental
+  void exitPointerLock() {
     document.$dom_webkitExitPointerLock();
   }
 
   @DomName('Document.webkitFullscreenElement')
-  Element get webkitFullscreenElement => document.$dom_webkitFullscreenElement;
+  @SupportedBrowser(SupportedBrowser.CHROME)
+  @SupportedBrowser(SupportedBrowser.SAFARI)
+  @Experimental
+  Element get fullscreenElement => document.$dom_webkitFullscreenElement;
 
   @DomName('Document.webkitFullscreenEnabled')
-  bool get webkitFullscreenEnabled => document.$dom_webkitFullscreenEnabled;
+  @SupportedBrowser(SupportedBrowser.CHROME)
+  @SupportedBrowser(SupportedBrowser.SAFARI)
+  @Experimental
+  bool get fullscreenEnabled => document.$dom_webkitFullscreenEnabled;
 
   @DomName('Document.webkitHidden')
-  bool get webkitHidden => document.$dom_webkitHidden;
+  @SupportedBrowser(SupportedBrowser.CHROME)
+  @SupportedBrowser(SupportedBrowser.SAFARI)
+  @Experimental
+  bool get hidden => document.$dom_webkitHidden;
 
   @DomName('Document.webkitIsFullScreen')
-  bool get webkitIsFullScreen => document.$dom_webkitIsFullScreen;
+  @SupportedBrowser(SupportedBrowser.CHROME)
+  @SupportedBrowser(SupportedBrowser.SAFARI)
+  @Experimental
+  bool get isFullScreen => document.$dom_webkitIsFullScreen;
 
   @DomName('Document.webkitPointerLockElement')
-  Element get webkitPointerLockElement =>
+  @SupportedBrowser(SupportedBrowser.CHROME)
+  @SupportedBrowser(SupportedBrowser.SAFARI)
+  @Experimental
+  Element get pointerLockElement =>
       document.$dom_webkitPointerLockElement;
 
   @DomName('Document.webkitVisibilityState')
-  String get webkitVisibilityState => document.$dom_webkitVisibilityState;
+  @SupportedBrowser(SupportedBrowser.CHROME)
+  @SupportedBrowser(SupportedBrowser.SAFARI)
+  @Experimental
+  String get visibilityState => document.$dom_webkitVisibilityState;
 }