Add isSingleComponent bool to getConstantColorComponent

src/effects/SkBlurMaskFilter.cpp

Index: src/effects/SkBlurMaskFilter.cpp
diff --git a/src/effects/SkBlurMaskFilter.cpp b/src/effects/SkBlurMaskFilter.cpp
index 123b9d28e5cce98c688775626a38609bde1e617c..b91192a6ba96b607faf0655ace10ad58ac58dabf 100644
--- a/src/effects/SkBlurMaskFilter.cpp
+++ b/src/effects/SkBlurMaskFilter.cpp
@@ -563,8 +563,6 @@ public:
     typedef GrGLRectBlurEffect GLProcessor;
 
     virtual const GrBackendFragmentProcessorFactory& getFactory() const SK_OVERRIDE;
-    virtual void getConstantColorComponents(GrColor* color, uint32_t* validFlags) const SK_OVERRIDE;
-
     /**
      * Create a simple filter effect with custom bicubic coefficients.
      */
@@ -594,6 +592,9 @@ private:
     GrRectBlurEffect(const SkRect& rect, float sigma, GrTexture *blur_profile);
     virtual bool onIsEqual(const GrProcessor&) const SK_OVERRIDE;
 
+    virtual void onGetConstantColorComponents(GrColor* color, uint32_t* validFlags,
+                                              bool* isSingleComponent) const SK_OVERRIDE;
+
     static bool CreateBlurProfileTexture(GrContext *context, float sigma,
                                        GrTexture **blurProfileTexture);
 
@@ -765,9 +766,9 @@ bool GrRectBlurEffect::onIsEqual(const GrProcessor& sBase) const {
     return this->getSigma() == s.getSigma() && this->getRect() == s.getRect();
 }
 
-void GrRectBlurEffect::getConstantColorComponents(GrColor* color, uint32_t* validFlags) const {
+void GrRectBlurEffect::onGetConstantColorComponents(GrColor* color, uint32_t* validFlags,
+                                                    bool* isSingleComponent) const {
     *validFlags = 0;
-    return;
 }
 
 GR_DEFINE_FRAGMENT_PROCESSOR_TEST(GrRectBlurEffect);
@@ -837,8 +838,6 @@ public:
 
     typedef GrGLRRectBlurEffect GLProcessor;
 
-    virtual void getConstantColorComponents(GrColor* color, uint32_t* validFlags) const SK_OVERRIDE;
-
     virtual const GrBackendFragmentProcessorFactory& getFactory() const SK_OVERRIDE;
 
 private:
@@ -846,6 +845,9 @@ private:
 
     virtual bool onIsEqual(const GrProcessor& other) const SK_OVERRIDE;
 
+    virtual void onGetConstantColorComponents(GrColor* color, uint32_t* validFlags,
+                                              bool* isSingleComponent) const SK_OVERRIDE;
+
     SkRRect             fRRect;
     float               fSigma;
     GrTextureAccess     fNinePatchAccess;
@@ -929,7 +931,8 @@ GrFragmentProcessor* GrRRectBlurEffect::Create(GrContext* context, float sigma,
     return SkNEW_ARGS(GrRRectBlurEffect, (sigma, rrect, blurNinePatchTexture));
 }
 
-void GrRRectBlurEffect::getConstantColorComponents(GrColor* color, uint32_t* validFlags) const {
+void GrRRectBlurEffect::onGetConstantColorComponents(GrColor* color, uint32_t* validFlags,
+                                                     bool* isSingleComponent) const {
     *validFlags = 0;
 }