Revert of Add isSingleComponent bool to getConstantColorComponent

src/gpu/effects/GrOvalEffect.cpp

Index: src/gpu/effects/GrOvalEffect.cpp
diff --git a/src/gpu/effects/GrOvalEffect.cpp b/src/gpu/effects/GrOvalEffect.cpp
index 2a04e16611feb6e39a1a896961ad7002500e3bc1..10fd8a6bf41768bf3b63e0929eb3e2ecb40ba052 100644
--- a/src/gpu/effects/GrOvalEffect.cpp
+++ b/src/gpu/effects/GrOvalEffect.cpp
@@ -32,14 +32,14 @@
 
     typedef GLCircleEffect GLProcessor;
 
+    virtual void getConstantColorComponents(GrColor* color, uint32_t* validFlags) const SK_OVERRIDE;
+
     virtual const GrBackendFragmentProcessorFactory& getFactory() const SK_OVERRIDE;
 
 private:
     CircleEffect(GrPrimitiveEdgeType, const SkPoint& center, SkScalar radius);
 
     virtual bool onIsEqual(const GrProcessor&) const SK_OVERRIDE;
-
-    virtual void onComputeInvariantOutput(InvariantOutput* inout) const SK_OVERRIDE;
 
     SkPoint             fCenter;
     SkScalar            fRadius;
@@ -56,9 +56,8 @@
     return SkNEW_ARGS(CircleEffect, (edgeType, center, radius));
 }
 
-void CircleEffect::onComputeInvariantOutput(InvariantOutput* inout) const {
-    inout->fValidFlags = 0;
-    inout->fIsSingleComponent = false;
+void CircleEffect::getConstantColorComponents(GrColor* color, uint32_t* validFlags) const {
+    *validFlags = 0;
 }
 
 const GrBackendFragmentProcessorFactory& CircleEffect::getFactory() const {
@@ -205,14 +204,14 @@
 
     typedef GLEllipseEffect GLProcessor;
 
+    virtual void getConstantColorComponents(GrColor* color, uint32_t* validFlags) const SK_OVERRIDE;
+
     virtual const GrBackendFragmentProcessorFactory& getFactory() const SK_OVERRIDE;
 
 private:
     EllipseEffect(GrPrimitiveEdgeType, const SkPoint& center, SkScalar rx, SkScalar ry);
 
     virtual bool onIsEqual(const GrProcessor&) const SK_OVERRIDE;
-
-    virtual void onComputeInvariantOutput(InvariantOutput* inout) const SK_OVERRIDE;
 
     SkPoint             fCenter;
     SkVector            fRadii;
@@ -231,9 +230,8 @@
     return SkNEW_ARGS(EllipseEffect, (edgeType, center, rx, ry));
 }
 
-void EllipseEffect::onComputeInvariantOutput(InvariantOutput* inout) const {
-    inout->fValidFlags = 0;
-    inout->fIsSingleComponent = false;
+void EllipseEffect::getConstantColorComponents(GrColor* color, uint32_t* validFlags) const {
+    *validFlags = 0;
 }
 
 const GrBackendFragmentProcessorFactory& EllipseEffect::getFactory() const {