Ensure input events account for APZ transforms on Windows. (bug 1143567 part 4, r=jmathies)

--HG--
extra : rebase_source : dbf4aacae7da0c144e931dffa766d1cf5c650fed

widget/windows/nsWindow.cpp

@@ -3662,8 +3662,7 @@ bool nsWindow::DispatchStandardEvent(uint32_t aMsg)
 
 bool nsWindow::DispatchKeyboardEvent(WidgetKeyboardEvent* event)
 {
-  nsEventStatus status;
-  DispatchEvent(event, status);
+  nsEventStatus status = DispatchInputEvent(event);
   return ConvertStatus(status);
 }
 
@@ -3989,7 +3988,7 @@ bool nsWindow::DispatchMouseEvent(uint32_t aEventType, WPARAM wParam,
       }
     }
 
-    result = DispatchWindowEvent(&event);
+    result = DispatchInputEvent(&event);
 
     if (nsToolkit::gMouseTrailer)
       nsToolkit::gMouseTrailer->Enable();
@@ -5079,7 +5078,7 @@ nsWindow::ProcessMessage(UINT msg, WPARAM& wParam, LPARAM& lParam,
           InitEvent(event);
           ModifierKeyState modifierKeyState;
           modifierKeyState.InitInputEvent(event);
-          DispatchWindowEvent(&event);
+          DispatchInputEvent(&event);
           if (sSwitchKeyboardLayout && mLastKeyboardLayout)
             ActivateKeyboardLayout(mLastKeyboardLayout, 0);
         }
@@ -5578,7 +5577,7 @@ nsWindow::ClientMarginHitTestPoint(int32_t mx, int32_t my)
       event.refPoint = LayoutDeviceIntPoint(pt.x, pt.y);
       event.inputSource = MOUSE_INPUT_SOURCE();
       event.mFlags.mOnlyChromeDispatch = true;
-      bool result = DispatchWindowEvent(&event);
+      bool result = DispatchInputEvent(&event);
       if (result) {
         // The mouse is over a blank area
         testResult = testResult == HTCLIENT ? HTCAPTION : testResult;