diff --git a/widget/qt/nsWindow.cpp b/widget/qt/nsWindow.cpp
index 26f2dd3e6edc..864b4d0d7e04 100644
--- a/widget/qt/nsWindow.cpp
+++ b/widget/qt/nsWindow.cpp
@@ -2808,6 +2808,14 @@ nsWindow::GetDPI()
     return float(rootWindow->height()/heightInches);
 }
 
+nsEventStatus
+nsWindow::DispatchEvent(WidgetGUIEvent* aEvent)
+{
+    nsEventStatus status;
+    DispatchEvent(aEvent, status);
+    return status;
+}
+
 void
 nsWindow::DispatchActivateEvent(void)
 {
@@ -3170,3 +3178,37 @@ nsWindow::GetGLFrameBufferFormat()
     return LOCAL_GL_NONE;
 }
 
+void
+nsWindow::ProcessMotionEvent()
+{
+    if (mPinchEvent.needDispatch) {
+        double distance = DistanceBetweenPoints(mPinchEvent.centerPoint,
+                                                mPinchEvent.touchPoint);
+        distance *= 2;
+        mPinchEvent.delta = distance - mPinchEvent.prevDistance;
+        nsIntPoint centerPoint(mPinchEvent.centerPoint.x(),
+                               mPinchEvent.centerPoint.y());
+        DispatchGestureEvent(NS_SIMPLE_GESTURE_MAGNIFY_UPDATE,
+                             0, mPinchEvent.delta, centerPoint);
+        mPinchEvent.prevDistance = distance;
+    }
+    if (mMoveEvent.needDispatch) {
+        WidgetMouseEvent event(true, NS_MOUSE_MOVE, this,
+                               WidgetMouseEvent::eReal);
+
+        event.refPoint.x = nscoord(mMoveEvent.pos.x());
+        event.refPoint.y = nscoord(mMoveEvent.pos.y());
+
+        event.InitBasicModifiers(mMoveEvent.modifiers & Qt::ControlModifier,
+                                 mMoveEvent.modifiers & Qt::AltModifier,
+                                 mMoveEvent.modifiers & Qt::ShiftModifier,
+                                 mMoveEvent.modifiers & Qt::MetaModifier);
+        event.clickCount      = 0;
+
+        DispatchEvent(&event);
+        mMoveEvent.needDispatch = false;
+    }
+
+    mTimerStarted = false;
+}
+
diff --git a/widget/qt/nsWindow.h b/widget/qt/nsWindow.h
index 98ebaef81364..8d247cf17932 100644
--- a/widget/qt/nsWindow.h
+++ b/widget/qt/nsWindow.h
@@ -16,7 +16,7 @@
 #include "nsAutoPtr.h"
 
 #include "nsBaseWidget.h"
-#include "mozilla/MouseEvents.h"
+#include "mozilla/EventForwards.h"
 
 #include "nsWeakReference.h"
 
@@ -183,12 +183,7 @@ public:
     void DispatchDeactivateEventOnTopLevelWindow(void);
     void DispatchResizeEvent(nsIntRect &aRect, nsEventStatus &aStatus);
 
-    nsEventStatus DispatchEvent(mozilla::WidgetGUIEvent* aEvent)
-    {
-        nsEventStatus status;
-        DispatchEvent(aEvent, status);
-        return status;
-    }
+    nsEventStatus DispatchEvent(mozilla::WidgetGUIEvent* aEvent);
 
     // Some of the nsIWidget methods
     virtual bool IsEnabled() const;
@@ -378,35 +373,7 @@ private:
     // event (like a keypress or mouse click).
     void UserActivity();
 
-    inline void ProcessMotionEvent() {
-        if (mPinchEvent.needDispatch) {
-            double distance = DistanceBetweenPoints(mPinchEvent.centerPoint, mPinchEvent.touchPoint);
-            distance *= 2;
-            mPinchEvent.delta = distance - mPinchEvent.prevDistance;
-            nsIntPoint centerPoint(mPinchEvent.centerPoint.x(), mPinchEvent.centerPoint.y());
-            DispatchGestureEvent(NS_SIMPLE_GESTURE_MAGNIFY_UPDATE,
-                                 0, mPinchEvent.delta, centerPoint);
-            mPinchEvent.prevDistance = distance;
-        }
-        if (mMoveEvent.needDispatch) {
-            WidgetMouseEvent event(true, NS_MOUSE_MOVE, this,
-                                   WidgetMouseEvent::eReal);
-
-            event.refPoint.x = nscoord(mMoveEvent.pos.x());
-            event.refPoint.y = nscoord(mMoveEvent.pos.y());
-
-            event.InitBasicModifiers(mMoveEvent.modifiers & Qt::ControlModifier,
-                                     mMoveEvent.modifiers & Qt::AltModifier,
-                                     mMoveEvent.modifiers & Qt::ShiftModifier,
-                                     mMoveEvent.modifiers & Qt::MetaModifier);
-            event.clickCount      = 0;
-
-            DispatchEvent(&event);
-            mMoveEvent.needDispatch = false;
-        }
-
-        mTimerStarted = false;
-    }
+    inline void ProcessMotionEvent();
 
     void DispatchMotionToMainThread() {
         if (!mTimerStarted) {