Add destination color space to AsFPArgs. Eliminates last XFORMTODO.

tools/gpu/GrTest.cpp

Index: tools/gpu/GrTest.cpp
diff --git a/tools/gpu/GrTest.cpp b/tools/gpu/GrTest.cpp
index 21761c214f45ef53f94fd5dcde7d4d70fe3674c7..f7c1f0c5044cc58881656959c3122c9e15316036 100644
--- a/tools/gpu/GrTest.cpp
+++ b/tools/gpu/GrTest.cpp
@@ -140,7 +140,8 @@ void SkGpuDevice::drawTexture(GrTexture* tex, const SkRect& dst, const SkPaint&
     SkMatrix mat;
     mat.reset();
     if (!SkPaintToGrPaint(this->context(), paint, mat,
-                          this->surfaceProps().isGammaCorrect(), &grPaint)) {
+                          this->surfaceProps().isGammaCorrect(), fDrawContext->getColorSpace(),
+                          &grPaint)) {
         return;
     }
     SkMatrix textureMat;