--- a/dom/base/nsDOMWindowUtils.cpp
+++ b/dom/base/nsDOMWindowUtils.cpp
@@ -1317,19 +1317,19 @@ nsDOMWindowUtils::SendSimpleGestureEvent
   else if (aType.EqualsLiteral("MozRotateGestureUpdate"))
     msg = NS_SIMPLE_GESTURE_ROTATE_UPDATE;
   else if (aType.EqualsLiteral("MozRotateGesture"))
     msg = NS_SIMPLE_GESTURE_ROTATE;
   else if (aType.EqualsLiteral("MozTapGesture"))
     msg = NS_SIMPLE_GESTURE_TAP;
   else if (aType.EqualsLiteral("MozPressTapGesture"))
     msg = NS_SIMPLE_GESTURE_PRESSTAP;
-  else if (aType.EqualsLiteral("MozEdgeUIStarted"))
-    msg = NS_SIMPLE_GESTURE_EDGE_STARTED;
-  else if (aType.EqualsLiteral("MozEdgeUICanceled")) {
+  else if (aType.EqualsLiteral("MozEdgeUIStarted")) {
+    msg = eEdgeUIStarted;
+  } else if (aType.EqualsLiteral("MozEdgeUICanceled")) {
     msg = eEdgeUICanceled;
   } else if (aType.EqualsLiteral("MozEdgeUICompleted")) {
     msg = eEdgeUICompleted;
   } else {
     return NS_ERROR_FAILURE;
   }
 
   WidgetSimpleGestureEvent event(true, msg, widget);

--- a/dom/events/EventNameList.h
+++ b/dom/events/EventNameList.h
@@ -895,17 +895,17 @@ NON_IDL_EVENT(MozTapGesture,
               NS_SIMPLE_GESTURE_TAP,
               EventNameType_None,
               eSimpleGestureEventClass)
 NON_IDL_EVENT(MozPressTapGesture,
               NS_SIMPLE_GESTURE_PRESSTAP,
               EventNameType_None,
               eSimpleGestureEventClass)
 NON_IDL_EVENT(MozEdgeUIStarted,
-              NS_SIMPLE_GESTURE_EDGE_STARTED,
+              eEdgeUIStarted,
               EventNameType_None,
               eSimpleGestureEventClass)
 NON_IDL_EVENT(MozEdgeUICanceled,
               eEdgeUICanceled,
               EventNameType_None,
               eSimpleGestureEventClass)
 NON_IDL_EVENT(MozEdgeUICompleted,
               eEdgeUICompleted,

--- a/widget/EventMessageList.h
+++ b/widget/EventMessageList.h
@@ -280,17 +280,17 @@ NS_EVENT_MESSAGE(NS_SIMPLE_GESTURE_SWIPE
 NS_EVENT_MESSAGE(NS_SIMPLE_GESTURE_MAGNIFY_START,  NS_SIMPLE_GESTURE_EVENT_START + 5)
 NS_EVENT_MESSAGE(NS_SIMPLE_GESTURE_MAGNIFY_UPDATE, NS_SIMPLE_GESTURE_EVENT_START + 6)
 NS_EVENT_MESSAGE(NS_SIMPLE_GESTURE_MAGNIFY,        NS_SIMPLE_GESTURE_EVENT_START + 7)
 NS_EVENT_MESSAGE(NS_SIMPLE_GESTURE_ROTATE_START,   NS_SIMPLE_GESTURE_EVENT_START + 8)
 NS_EVENT_MESSAGE(NS_SIMPLE_GESTURE_ROTATE_UPDATE,  NS_SIMPLE_GESTURE_EVENT_START + 9)
 NS_EVENT_MESSAGE(NS_SIMPLE_GESTURE_ROTATE,         NS_SIMPLE_GESTURE_EVENT_START + 10)
 NS_EVENT_MESSAGE(NS_SIMPLE_GESTURE_TAP,            NS_SIMPLE_GESTURE_EVENT_START + 11)
 NS_EVENT_MESSAGE(NS_SIMPLE_GESTURE_PRESSTAP,       NS_SIMPLE_GESTURE_EVENT_START + 12)
-NS_EVENT_MESSAGE(NS_SIMPLE_GESTURE_EDGE_STARTED,   NS_SIMPLE_GESTURE_EVENT_START + 13)
+NS_EVENT_MESSAGE(eEdgeUIStarted,        NS_SIMPLE_GESTURE_EVENT_START + 13)
 NS_EVENT_MESSAGE(eEdgeUICanceled,       NS_SIMPLE_GESTURE_EVENT_START + 14)
 NS_EVENT_MESSAGE(eEdgeUICompleted,      NS_SIMPLE_GESTURE_EVENT_START + 15)
 
 // These are used to send native events to plugins.
 NS_EVENT_MESSAGE(ePluginEventFirst,     3600)
 NS_EVENT_MESSAGE(ePluginInputEvent,     ePluginEventFirst)
 
 // Events to manipulate selection (WidgetSelectionEvent)