Back out 293c48ec288c (bug 1086642) for Android and OS X 10.8 ONLY NOT SEEN ON 10.6 bustage

CLOSED TREE

gfx/layers/client/ClientTiledPaintedLayer.h

@@ -55,7 +55,6 @@ public:
   virtual Layer* AsLayer() { return this; }
   virtual void InvalidateRegion(const nsIntRegion& aRegion) {
     mInvalidRegion.Or(mInvalidRegion, aRegion);
-    mInvalidRegion.SimplifyOutwardByArea(200*200);
     mInvalidRegion.SimplifyOutward(20);
     mValidRegion.Sub(mValidRegion, mInvalidRegion);
     mLowPrecisionValidRegion.Sub(mLowPrecisionValidRegion, mInvalidRegion);