Bug 895274 part.126 Rename NS_PLAY to ePlay r=smaug

dom/events/EventNameList.h

@@ -358,7 +358,7 @@ EVENT(pause,
       EventNameType_HTML,
       eBasicEventClass)
 EVENT(play,
-      NS_PLAY,
+      ePlay,
       EventNameType_HTML,
       eBasicEventClass)
 EVENT(playing,

widget/EventMessageList.h

@@ -250,7 +250,7 @@ NS_EVENT_MESSAGE(eProgress,             eMediaEventFirst + 1)
 NS_EVENT_MESSAGE(eSuspend,              eMediaEventFirst + 2)
 NS_EVENT_MESSAGE(eEmptied,              eMediaEventFirst + 3)
 NS_EVENT_MESSAGE(eStalled,              eMediaEventFirst + 4)
-NS_EVENT_MESSAGE(NS_PLAY,               eMediaEventFirst + 5)
+NS_EVENT_MESSAGE(ePlay,                 eMediaEventFirst + 5)
 NS_EVENT_MESSAGE(NS_PAUSE,              eMediaEventFirst + 6)
 NS_EVENT_MESSAGE(NS_LOADEDMETADATA,     eMediaEventFirst + 7)
 NS_EVENT_MESSAGE(NS_LOADEDDATA,         eMediaEventFirst + 8)