Bug 1299715 - Part 4. Correct clip region for clip-path mask surface. r=mstange

MozReview-Commit-ID: IOFOyS18yRm

--HG--
extra : rebase_source : e322b19333b6b97f879ed2e668faeffc6a1cc87c

layout/svg/nsSVGIntegrationUtils.cpp

@@ -852,13 +852,12 @@ nsSVGIntegrationUtils::PaintMaskAndClipPath(const PaintFramesParams& aParams)
       matSR.SetContext(&context);
 
       SetupContextMatrix(firstFrame, aParams, offsetToBoundingBox,
-                         offsetToUserSpace, true);
+                         offsetToUserSpace, false);
       Matrix clippedMaskTransform;
       RefPtr<SourceSurface> clipMaskSurface =
         clipPathFrame->GetClipMask(context, frame, cssPxToDevPxMatrix,
                                    &clippedMaskTransform, maskSurface,
                                    maskTransform, &result);
-      context.PopClip();
 
       if (clipMaskSurface) {
         maskSurface = clipMaskSurface;