Add isSingleComponent bool to getConstantColorComponent

src/gpu/effects/GrCustomCoordsTextureEffect.cpp

Index: src/gpu/effects/GrCustomCoordsTextureEffect.cpp
diff --git a/src/gpu/effects/GrCustomCoordsTextureEffect.cpp b/src/gpu/effects/GrCustomCoordsTextureEffect.cpp
index b9794c149ddc8c9657bdbb9979ce0d80567aa5f4..b3631b0c37fce638a145a9ffc503c256c527b16f 100644
--- a/src/gpu/effects/GrCustomCoordsTextureEffect.cpp
+++ b/src/gpu/effects/GrCustomCoordsTextureEffect.cpp
@@ -72,8 +72,8 @@ bool GrCustomCoordsTextureEffect::onIsEqual(const GrProcessor& other) const {
     return fTextureAccess == cte.fTextureAccess;
 }
 
-void GrCustomCoordsTextureEffect::getConstantColorComponents(GrColor* color,
-                                                             uint32_t* validFlags) const {
+void GrCustomCoordsTextureEffect::onGetConstantColorComponents(GrColor* color, uint32_t* validFlags,
+                                                               bool* isSingleComponent) const {
     if ((*validFlags & kA_GrColorComponentFlag) && 0xFF == GrColorUnpackA(*color) &&
         GrPixelConfigIsOpaque(this->texture(0)->config())) {
         *validFlags = kA_GrColorComponentFlag;