Key shader on whether frag pos read is relative to top-left or bottom-left

src/gpu/GrDrawState.h

Index: src/gpu/GrDrawState.h
diff --git a/src/gpu/GrDrawState.h b/src/gpu/GrDrawState.h
index 91a8723e525516da596ff1fc851f73291890a6db..230b2faa47b5d27954e896854472bd6824696021 100644
--- a/src/gpu/GrDrawState.h
+++ b/src/gpu/GrDrawState.h
@@ -451,7 +451,7 @@ public:
     /**
      * Checks whether any of the effects will read the dst pixel color.
      */
-    bool willEffectReadDst() const {
+    bool willEffectReadDstColor() const {
         for (int s = 0; s < kNumStages; ++s) {
             if (this->isStageEnabled(s) && (*this->getStage(s).getEffect())->willReadDstColor()) {
                 return true;