Use SkICC in gfx::ICCProfile and gfx::ColorSpace

ui/gfx/color_transform.h

Index: ui/gfx/color_transform.h
diff --git a/ui/gfx/color_transform.h b/ui/gfx/color_transform.h
index 092608c210119f767258fa2c5cf82684efef68ad..1d99617716e6d7bc5156ca64263a46011b88354d 100644
--- a/ui/gfx/color_transform.h
+++ b/ui/gfx/color_transform.h
@@ -9,13 +9,12 @@
 #include <stdint.h>
 
 #include "build/build_config.h"
+#include "ui/gfx/color_space.h"
 #include "ui/gfx/geometry/point3_f.h"
 #include "ui/gfx/gfx_export.h"
 
 namespace gfx {
 
-class ColorSpace;
-
 class GFX_EXPORT ColorTransform {
  public:
   enum class Intent { INTENT_ABSOLUTE, INTENT_PERCEPTUAL, TEST_NO_OPT };
@@ -33,6 +32,9 @@ class GFX_EXPORT ColorTransform {
       const ColorSpace& from,
       const ColorSpace& to,
       Intent intent);
+
+  static float ToLinearForTesting(ColorSpace::TransferID id, float v);
+  static float FromLinearForTesting(ColorSpace::TransferID id, float v);
 };
 }  // namespace gfx