Remove GP from drawstate, revision of invariant output for GP

src/gpu/effects/GrBezierEffect.h

Index: src/gpu/effects/GrBezierEffect.h
diff --git a/src/gpu/effects/GrBezierEffect.h b/src/gpu/effects/GrBezierEffect.h
index a9cbeb0dcb2f383c929a77462fba861c45f5668f..978c265f73a85371037dca0f204b1353edb87536 100644
--- a/src/gpu/effects/GrBezierEffect.h
+++ b/src/gpu/effects/GrBezierEffect.h
@@ -102,8 +102,8 @@ private:
 
     virtual bool onIsEqual(const GrGeometryProcessor& other) const SK_OVERRIDE;
 
-    virtual void onComputeInvariantOutput(GrInvariantOutput* inout) const SK_OVERRIDE {
-        inout->mulByUnknownAlpha();
+    virtual void onGetOutputCoverage(GrInitInvariantOutput* out) const SK_OVERRIDE {
+        out->setUnknownSingleComponent();
     }
 
     GrPrimitiveEdgeType   fEdgeType;
@@ -171,8 +171,8 @@ private:
 
     virtual bool onIsEqual(const GrGeometryProcessor& other) const SK_OVERRIDE;
 
-    virtual void onComputeInvariantOutput(GrInvariantOutput* inout) const SK_OVERRIDE {
-        inout->mulByUnknownAlpha();
+    virtual void onGetOutputCoverage(GrInitInvariantOutput* out) const SK_OVERRIDE {
+        out->setUnknownSingleComponent();
     }
 
     GrPrimitiveEdgeType   fEdgeType;
@@ -241,8 +241,8 @@ private:
 
     virtual bool onIsEqual(const GrGeometryProcessor& other) const SK_OVERRIDE;
 
-    virtual void onComputeInvariantOutput(GrInvariantOutput* inout) const SK_OVERRIDE {
-        inout->mulByUnknownAlpha();
+    virtual void onGetOutputCoverage(GrInitInvariantOutput* out) const SK_OVERRIDE {
+        out->setUnknownSingleComponent();
     }
 
     GrPrimitiveEdgeType   fEdgeType;