Add isSingleComponent bool to getConstantColorComponent

src/effects/SkTableColorFilter.cpp

Index: src/effects/SkTableColorFilter.cpp
diff --git a/src/effects/SkTableColorFilter.cpp b/src/effects/SkTableColorFilter.cpp
index 4853f73e5c1e7461500b4906a6d145f9275ece65..377c0412af25ad1e20077c9d145c6fec013ffe88 100644
--- a/src/effects/SkTableColorFilter.cpp
+++ b/src/effects/SkTableColorFilter.cpp
@@ -294,20 +294,21 @@ public:
     static const char* Name() { return "ColorTable"; }
     virtual const GrBackendFragmentProcessorFactory& getFactory() const SK_OVERRIDE;
 
-    virtual void getConstantColorComponents(GrColor* color, uint32_t* validFlags) const SK_OVERRIDE;
-
     typedef GLColorTableEffect GLProcessor;
 
 private:
     virtual bool onIsEqual(const GrProcessor&) const SK_OVERRIDE;
 
+    virtual void onGetConstantColorComponents(GrColor* color, uint32_t* validFlags,
+                                              bool* isSingleComponent) const SK_OVERRIDE;
+
     explicit ColorTableEffect(GrTexture* texture, unsigned flags);
 
     GR_DECLARE_FRAGMENT_PROCESSOR_TEST;
 
     GrTextureAccess fTextureAccess;
     unsigned        fFlags; // currently not used in shader code, just to assist
-                            // getConstantColorComponents().
+                            // onGetConstantColorComponents().
 
     typedef GrFragmentProcessor INHERITED;
 };
@@ -401,7 +402,8 @@ bool ColorTableEffect::onIsEqual(const GrProcessor& sBase) const {
     return this->texture(0) == sBase.texture(0);
 }
 
-void ColorTableEffect::getConstantColorComponents(GrColor* color, uint32_t* validFlags) const {
+void ColorTableEffect::onGetConstantColorComponents(GrColor* color, uint32_t* validFlags,
+                                                    bool* isSingleComponent) const {
     // If we kept the table in the effect then we could actually run known inputs through the
     // table.
     if (fFlags & SkTable_ColorFilter::kR_Flag) {