Add SkColorSpace to GrDrawContext

src/core/SkSpecialSurface.cpp

 /*
  * Copyright 2016 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file
  */
 
 #include "SkCanvas.h"
 #include "SkSpecialImage.h"
 #include "SkSpecialSurface.h"
@@ skipping 137 matching lines @@
     }
 
 private:
     sk_sp<GrDrawContext> fDrawContext;
 
     typedef SkSpecialSurface_Base INHERITED;
 };
 
 sk_sp<SkSpecialSurface> SkSpecialSurface::MakeRenderTarget(GrContext* context,
                                                            int width, int height,
-                                                           GrPixelConfig config) {
+                                                           GrPixelConfig config,
+                                                           sk_sp<SkColorSpace> colorSpace) {
     if (!context) {
         return nullptr;
     }
 
     sk_sp<GrDrawContext> drawContext(context->newDrawContext(SkBackingFit::kApprox,
-                                                             width, height, config));
+                                                             width, height, config,
+                                                             std::move(colorSpace)));
     if (!drawContext) {
         return nullptr;
     }
 
     const SkIRect subset = SkIRect::MakeWH(width, height);
 
     return sk_make_sp<SkSpecialSurface_Gpu>(std::move(drawContext), width, height, subset);
 }
 
 #endif