Cleanup GPU gamut transformation code

src/gpu/effects/GrBicubicEffect.cpp

Index: src/gpu/effects/GrBicubicEffect.cpp
diff --git a/src/gpu/effects/GrBicubicEffect.cpp b/src/gpu/effects/GrBicubicEffect.cpp
index 69fe9064718dad37a67b23a39266a1de5412c8dd..54c536a2a27ca99ec52e04fa92f603274f17c1a7 100644
--- a/src/gpu/effects/GrBicubicEffect.cpp
+++ b/src/gpu/effects/GrBicubicEffect.cpp
@@ -134,7 +134,7 @@ void GrGLBicubicEffect::onSetData(const GrGLSLProgramDataManager& pdman,
     pdman.setMatrix4f(fCoefficientsUni, bicubicEffect.coefficients());
     fDomain.setData(pdman, bicubicEffect.domain(), texture.origin());
     if (SkToBool(bicubicEffect.colorSpaceXform())) {
-        pdman.setMatrix4f(fColorSpaceXformUni, bicubicEffect.colorSpaceXform()->srcToDst());
+        pdman.setSkMatrix44(fColorSpaceXformUni, bicubicEffect.colorSpaceXform()->srcToDst());
     }
 }