Bug 1240423 - part5 : stop_disposable should reset mSuspendState. r=baku

MozReview-Commit-ID: 1x1QdvJEw8J

--HG--
extra : rebase_source : 7671175e1398288947cfb91925b9ec7a8e7b6e2f

dom/html/HTMLMediaElement.cpp

@@ -5103,6 +5103,7 @@ HTMLMediaElement::WindowSuspendChanged(SuspendTypes aSuspend)
       BlockByAudioChannel();
       break;
     case nsISuspendedTypes::SUSPENDED_STOP_DISPOSABLE:
+      SetAudioChannelSuspended(nsISuspendedTypes::NONE_SUSPENDED);
       Pause();
       break;
     default: