Backed out changeset 65f06a1e7b1b (bug 799401) for Windows build bustage.

gfx/layers/ipc/AsyncPanZoomController.cpp

@@ -967,11 +967,7 @@ void AsyncPanZoomController::RequestContentRepaint() {
   // This message is compressed, so fire whether or not we already have a paint
   // queued up. We need to know whether or not a paint was requested anyways,
   // for the purposes of content calling window.scrollTo().
-  mPaintThrottler.PostTask(
-    FROM_HERE,
-    NewRunnableMethod(mGeckoContentController.get(),
-                      &GeckoContentController::RequestContentRepaint,
-                      mFrameMetrics));
+  mGeckoContentController->RequestContentRepaint(mFrameMetrics);
   mLastPaintRequestMetrics = mFrameMetrics;
   mWaitingForContentToPaint = true;
 
@@ -1085,8 +1081,6 @@ bool AsyncPanZoomController::SampleContentTransformForFrame(const TimeStamp& aSa
 void AsyncPanZoomController::NotifyLayersUpdated(const FrameMetrics& aViewportFrame, bool aIsFirstPaint) {
   MonitorAutoLock monitor(mMonitor);
 
-  mPaintThrottler.TaskComplete();
-
   mLastContentPaintMetrics = aViewportFrame;
 
   if (mWaitingForContentToPaint) {