Fix for perspective GMs and df paths.

src/gpu/GrAADistanceFieldPathRenderer.cpp

Index: src/gpu/GrAADistanceFieldPathRenderer.cpp
diff --git a/src/gpu/GrAADistanceFieldPathRenderer.cpp b/src/gpu/GrAADistanceFieldPathRenderer.cpp
index 364217c5768eba348f9dcad255eff548c22609be..95e4e7ac98d5a6f418220f959ce628c1841d6c17 100755
--- a/src/gpu/GrAADistanceFieldPathRenderer.cpp
+++ b/src/gpu/GrAADistanceFieldPathRenderer.cpp
@@ -267,6 +267,7 @@ bool GrAADistanceFieldPathRenderer::internalDrawPath(const SkPath& path,
     
     GrTexture* texture = fAtlas->getTexture();
     GrDrawState* drawState = target->drawState();
+    GrDrawState::AutoRestoreEffects are(drawState);
     
     SkASSERT(pathData->fPlot);
     GrDrawTarget::DrawToken drawToken = target->getCurrentDrawToken();