Backed out changeset 32aea59e702f (bug 659285) for bustage on a CLOSED TREE

dom/html/HTMLMediaElement.cpp

@@ -105,8 +105,6 @@ static PRLogModuleInfo* gMediaElementEventsLog;
 #include "nsIPermissionManager.h"
 #include "nsContentTypeParser.h"
 
-#include "mozilla/EventStateManager.h"
-
 using namespace mozilla::layers;
 using mozilla::net::nsMediaFragmentURIParser;
 
@@ -2185,13 +2183,6 @@ HTMLMediaElement::ResetConnectionState()
 void
 HTMLMediaElement::Play(ErrorResult& aRv)
 {
-  // Prevent media element from being auto-started by a script when
-  // media.autoplay.enabled=false
-  if (!IsAutoplayEnabled() && !EventStateManager::IsHandlingUserInput() && !nsContentUtils::IsCallerChrome()) {
-    LOG(PR_LOG_WARN, ("%p Blocked attempt to autoplay media.", this));
-    return;
-  }
-
   StopSuspendingAfterFirstFrame();
   SetPlayedOrSeeked(true);