Cleanup GPU gamut transformation code

src/gpu/effects/GrSimpleTextureEffect.cpp

Index: src/gpu/effects/GrSimpleTextureEffect.cpp
diff --git a/src/gpu/effects/GrSimpleTextureEffect.cpp b/src/gpu/effects/GrSimpleTextureEffect.cpp
index 8e452814b9567af72ceab292ee8957d1533a25bc..b819cf3b81364664865c33dc5a46bf8f23d8ed8c 100644
--- a/src/gpu/effects/GrSimpleTextureEffect.cpp
+++ b/src/gpu/effects/GrSimpleTextureEffect.cpp
@@ -40,7 +40,7 @@ protected:
     void onSetData(const GrGLSLProgramDataManager& pdman, const GrProcessor& processor) override {
         const GrSimpleTextureEffect& textureEffect = processor.cast<GrSimpleTextureEffect>();
         if (SkToBool(textureEffect.colorSpaceXform())) {
-            pdman.setMatrix4f(fColorSpaceXformUni, textureEffect.colorSpaceXform()->srcToDst());
+            pdman.setSkMatrix44(fColorSpaceXformUni, textureEffect.colorSpaceXform()->srcToDst());
         }
     }