Add SkColorSpace to GrDrawContext

src/gpu/SkGpuDevice.h

Index: src/gpu/SkGpuDevice.h
diff --git a/src/gpu/SkGpuDevice.h b/src/gpu/SkGpuDevice.h
index d341b39ed6d26aca2cf135f050fd2ac7343d900a..811175937c8dddd7d2ace4596e3aaf6fc0522b83 100644
--- a/src/gpu/SkGpuDevice.h
+++ b/src/gpu/SkGpuDevice.h
@@ -42,7 +42,8 @@ public:
      *       MakeFromBackendTexture, MakeFromBackendRenderTarget,
      *       and MakeFromBackendTextureAsRenderTarget. Only the first is worrisome.
      */
-    static sk_sp<SkGpuDevice> Make(sk_sp<GrRenderTarget> target, 
+    static sk_sp<SkGpuDevice> Make(sk_sp<GrRenderTarget> target,
+                                   sk_sp<SkColorSpace> colorSpace,
                                    const SkSurfaceProps*,
                                    InitContents);