Changing mediaplayer to have a div blocker, so the context menus are not avai...

chrome/browser/resources/mediaplayer.html

Index: chrome/browser/resources/mediaplayer.html
===================================================================
--- chrome/browser/resources/mediaplayer.html	(revision 49694)
+++ chrome/browser/resources/mediaplayer.html	(working copy)
@@ -381,6 +381,9 @@
   element.onerror = onMediaError;
   element.addEventListener("play", onMediaPlay, true);
   element.addEventListener("pause", onMediaPause, true);
+  element.oncontextmenu = function() {
+     return false;
+  };
 }
 
 function getMediaElement() {