Simplify color space xform storage and usage (float[] vs. SkMatrix44)

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 db42f356698a6b09fd74fb510d09fa6f978024f9..8439909f56e0a7a1c0f048986a8fbcdd34c1ff28 100644
--- a/src/gpu/effects/GrBicubicEffect.cpp
+++ b/src/gpu/effects/GrBicubicEffect.cpp
@@ -132,9 +132,7 @@ void GrGLBicubicEffect::onSetData(const GrGLSLProgramDataManager& pdman,
     pdman.setMatrix4f(fCoefficientsUni, bicubicEffect.coefficients());
     fDomain.setData(pdman, bicubicEffect.domain(), texture.origin());
     if (SkToBool(bicubicEffect.colorSpaceXform())) {
-        float xformMatrix[16];
-        bicubicEffect.colorSpaceXform()->srcToDst().asColMajorf(xformMatrix);
-        pdman.setMatrix4f(fColorSpaceXformUni, xformMatrix);
+        pdman.setMatrix4f(fColorSpaceXformUni, bicubicEffect.colorSpaceXform()->srcToDst());
     }
 }