--- a/dom/interfaces/base/nsIDOMWindowUtils.idl
+++ b/dom/interfaces/base/nsIDOMWindowUtils.idl
@@ -526,18 +526,16 @@ interface nsIDOMWindowUtils : nsISupport
    *                           scroll.
    * @param aLineOrPageDeltaY  If you set this value non-zero for
    *                           DOM_DELTA_PIXEL event, EventStateManager will
    *                           dispatch NS_MOUSE_SCROLL event for vertical
    *                           scroll.
    * @param aOptions           Set following flags.
    */
   const unsigned long WHEEL_EVENT_CAUSED_BY_NO_LINE_OR_PAGE_DELTA_DEVICE = 0x0001;
-  // @deprecated Use WHEEL_EVENT_CAUSED_BY_NO_LINE_OR_PAGE_DELTA_DEVICE.
-  const unsigned long WHEEL_EVENT_CAUSED_BY_PIXEL_ONLY_DEVICE            = 0x0001;
   const unsigned long WHEEL_EVENT_CAUSED_BY_MOMENTUM                     = 0x0002;
   const unsigned long WHEEL_EVENT_CUSTOMIZED_BY_USER_PREFS               = 0x0004;
   // If any of the following flags is specified this method will throw an
   // exception in case the relevant overflowDelta has an unexpected value.
   const unsigned long WHEEL_EVENT_EXPECTED_OVERFLOW_DELTA_X_ZERO      = 0x0010;
   const unsigned long WHEEL_EVENT_EXPECTED_OVERFLOW_DELTA_X_POSITIVE  = 0x0020;
   const unsigned long WHEEL_EVENT_EXPECTED_OVERFLOW_DELTA_X_NEGATIVE  = 0x0040;
   const unsigned long WHEEL_EVENT_EXPECTED_OVERFLOW_DELTA_Y_ZERO      = 0x0100;

--- a/services/sync/tps/extensions/mozmill/resource/stdlib/EventUtils.js
+++ b/services/sync/tps/extensions/mozmill/resource/stdlib/EventUtils.js
@@ -333,17 +333,17 @@ function synthesizeWheel(aTarget, aOffse
   if (!utils) {
     return;
   }
 
   var modifiers = _parseModifiers(aEvent);
   var options = 0;
   if (aEvent.isPixelOnlyDevice &&
       (aEvent.deltaMode == WheelEvent.DOM_DELTA_PIXEL)) {
-    options |= utils.WHEEL_EVENT_CAUSED_BY_PIXEL_ONLY_DEVICE;
+    options |= utils.WHEEL_EVENT_CAUSED_BY_NO_LINE_OR_PAGE_DELTA_DEVICE;
   }
   if (aEvent.isMomentum) {
     options |= utils.WHEEL_EVENT_CAUSED_BY_MOMENTUM;
   }
   if (aEvent.isCustomizedByPrefs) {
     options |= utils.WHEEL_EVENT_CUSTOMIZED_BY_USER_PREFS;
   }
   if (typeof aEvent.expectedOverflowDeltaX !== "undefined") {