Bug 1348786 - Drop nsWindow::DispatchWindowEvent(WidgetGUIEvent*, nsEventStatus&). r=masayuki

It's not used at all.

Differential Revision: https://phabricator.services.mozilla.com/D134358

widget/windows/nsWindow.cpp

@@ -4319,12 +4319,6 @@ bool nsWindow::DispatchWindowEvent(WidgetGUIEvent* event) {
   return ConvertStatus(status);
 }
 
-bool nsWindow::DispatchWindowEvent(WidgetGUIEvent* event,
-                                   nsEventStatus& aStatus) {
-  DispatchEvent(event, aStatus);
-  return ConvertStatus(aStatus);
-}
-
 // Recursively dispatch synchronous paints for nsIWidget
 // descendants with invalidated rectangles.
 BOOL CALLBACK nsWindow::DispatchStarvedPaints(HWND aWnd, LPARAM aMsg) {

widget/windows/nsWindow.h

@@ -270,8 +270,6 @@ class nsWindow final : public nsWindowBase {
                                   uint16_t aInputSource,
                                   WinPointerInfo* aPointerInfo = nullptr,
                                   bool aIgnoreAPZ = false);
-  virtual bool DispatchWindowEvent(mozilla::WidgetGUIEvent* aEvent,
-                                   nsEventStatus& aStatus);
   void DispatchPendingEvents();
   void DispatchCustomEvent(const nsString& eventName);