Add isSingleComponent bool to getConstantColorComponent

src/gpu/effects/GrConfigConversionEffect.cpp

Index: src/gpu/effects/GrConfigConversionEffect.cpp
diff --git a/src/gpu/effects/GrConfigConversionEffect.cpp b/src/gpu/effects/GrConfigConversionEffect.cpp
index 3042d86f032b552e3a2e3fb5f4b973545fc5567b..6afa9c164edd231c6cca8fc27a118c0de1e6201c 100644
--- a/src/gpu/effects/GrConfigConversionEffect.cpp
+++ b/src/gpu/effects/GrConfigConversionEffect.cpp
@@ -126,9 +126,9 @@ bool GrConfigConversionEffect::onIsEqual(const GrProcessor& s) const {
            other.fPMConversion == fPMConversion;
 }
 
-void GrConfigConversionEffect::getConstantColorComponents(GrColor* color,
-                                                          uint32_t* validFlags) const {
-    this->updateConstantColorComponentsForModulation(color, validFlags);
+void GrConfigConversionEffect::onComputeInvarientOutput(InvarientOutput* invarientOutput) const {
+    this->updateInvarientOutputForModulation(invarientOutput);
+    invarientOutput->isSingleComponent = false;
 }
 
 ///////////////////////////////////////////////////////////////////////////////