Add SkColorSpace to gfx::ColorSpace

ui/gfx/color_space.h

Index: ui/gfx/color_space.h
diff --git a/ui/gfx/color_space.h b/ui/gfx/color_space.h
index d1fa5829774cb5884968fbbdf2c5b2fc2c8ac44f..e05fbc3124c572f9f1cea342343e343f9ff4c331 100644
--- a/ui/gfx/color_space.h
+++ b/ui/gfx/color_space.h
@@ -10,6 +10,7 @@
 #include "base/gtest_prod_util.h"
 #include "base/macros.h"
 #include "build/build_config.h"
+#include "third_party/skia/include/core/SkColorSpace.h"
 #include "ui/gfx/gfx_export.h"
 
 namespace IPC {
@@ -17,10 +18,6 @@ template <class P>
 struct ParamTraits;
 }  // namespace IPC
 
-template <typename T>
-class sk_sp;
-class SkColorSpace;
-
 namespace gfx {
 
 class ICCProfile;
@@ -144,7 +141,9 @@ class GFX_EXPORT ColorSpace {
              TransferID transfer,
              MatrixID matrix,
              RangeID full_range);
+  ColorSpace(const ColorSpace& other);
   ColorSpace(int primaries, int transfer, int matrix, RangeID full_range);
+  ~ColorSpace();
 
   static PrimaryID PrimaryIDFromInt(int primary_id);
   static TransferID TransferIDFromInt(int transfer_id);
@@ -179,6 +178,8 @@ class GFX_EXPORT ColorSpace {
   // created, if possible.
   uint64_t icc_profile_id_ = 0;
 
+  sk_sp<SkColorSpace> sk_color_space_;
+
   friend class ICCProfile;
   friend class ColorSpaceToColorSpaceTransform;
   friend class ColorSpaceWin;