Add isSingleComponent bool to getConstantColorComponent

src/gpu/GrAARectRenderer.cpp

Index: src/gpu/GrAARectRenderer.cpp
diff --git a/src/gpu/GrAARectRenderer.cpp b/src/gpu/GrAARectRenderer.cpp
index 572098249ef6d277c3178f6903ae3588e044b543..32feec86efcb4ee14a30a92057bf9034754df433 100644
--- a/src/gpu/GrAARectRenderer.cpp
+++ b/src/gpu/GrAARectRenderer.cpp
@@ -30,11 +30,6 @@ public:
 
     static const char* Name() { return "AlignedRectEdge"; }
 
-    virtual void getConstantColorComponents(GrColor* color,
-                                            uint32_t* validFlags) const SK_OVERRIDE {
-        *validFlags = 0;
-    }
-
     const GrShaderVar& inRect() const { return fInRect; }
 
     virtual const GrBackendGeometryProcessorFactory& getFactory() const SK_OVERRIDE {
@@ -112,6 +107,11 @@ private:
 
     virtual bool onIsEqual(const GrProcessor&) const SK_OVERRIDE { return true; }
 
+    virtual void onGetConstantColorComponents(GrColor* color, uint32_t* validFlags,
+                                              bool* isSingleComponent) const SK_OVERRIDE {
+        *validFlags = 0;
+    }
+
     GR_DECLARE_GEOMETRY_PROCESSOR_TEST;
 
     typedef GrGeometryProcessor INHERITED;
@@ -155,11 +155,6 @@ public:
 
     static const char* Name() { return "RectEdge"; }
 
-    virtual void getConstantColorComponents(GrColor* color,
-                                            uint32_t* validFlags) const SK_OVERRIDE {
-        *validFlags = 0;
-    }
-
     const GrShaderVar& inRectEdge() const { return fInRectEdge; }
     const GrShaderVar& inWidthHeight() const { return fInWidthHeight; }
 
@@ -257,6 +252,11 @@ private:
 
     virtual bool onIsEqual(const GrProcessor&) const SK_OVERRIDE { return true; }
 
+    virtual void onGetConstantColorComponents(GrColor* color, uint32_t* validFlags,
+                                              bool* isSingleComponent) const SK_OVERRIDE {
+        *validFlags = 0;
+    }
+
     const GrShaderVar& fInRectEdge;
     const GrShaderVar& fInWidthHeight;