cc: Specify rasterization color space

ui/gfx/color_space.cc

Index: ui/gfx/color_space.cc
diff --git a/ui/gfx/color_space.cc b/ui/gfx/color_space.cc
index a20f011a9a11fcfb9491ae9086446a4f64f8dcb7..798e69957eb0a08b09161d9a751ebcf9a2e37ad2 100644
--- a/ui/gfx/color_space.cc
+++ b/ui/gfx/color_space.cc
@@ -367,6 +367,21 @@ sk_sp<SkColorSpace> ColorSpace::ToSkColorSpace() const {
   return SkColorSpace::MakeRGB(fn, to_xyz_d50);
 }
 
+sk_sp<SkColorSpace> ColorSpace::ToNonlinearBlendedSkColorSpace() const {
+  DCHECK(IsValid());
+  DCHECK_EQ(matrix_, MatrixID::RGB);
+  DCHECK_EQ(range_, RangeID::FULL);
+  SkMatrix44 primaries;
+  GetPrimaryMatrix(&primaries);
+  SkColorSpaceTransferFn tr_fn;
+  bool get_tr_fn_result = get_tr_fn_result = GetTransferFunction(&tr_fn);
+  DCHECK(get_tr_fn_result);
+  sk_sp<SkColorSpace> result = SkColorSpace::MakeRGB(
+      tr_fn, primaries, SkColorSpace::kNonLinearBlending_ColorSpaceFlag);
+  DCHECK(result);
+  return result;
+}
+
 bool ColorSpace::GetICCProfile(ICCProfile* icc_profile) const {
   if (!IsValid())
     return false;