Bug 637852. Part 20: Allow fast scrolling within transformed content. r=tnikkel

This lets us easily test scrolling with non-identity resolution.

layout/generic/nsGfxScrollFrame.cpp

@@ -1634,9 +1634,6 @@ CanScrollWithBlitting(nsIFrame* aFrame)
 {
   for (nsIFrame* f = aFrame; f;
        f = nsLayoutUtils::GetCrossDocParentFrame(f)) {
-    if (f->GetStyleDisplay()->HasTransform()) {
-      return PR_FALSE;
-    }
     if (nsSVGIntegrationUtils::UsingEffectsForFrame(f) ||
         f->IsFrameOfType(nsIFrame::eSVG)) {
       return PR_FALSE;