Revert of 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 1d99617716e6d7bc5156ca64263a46011b88354d..092608c210119f767258fa2c5cf82684efef68ad 100644
--- a/ui/gfx/color_transform.h
+++ b/ui/gfx/color_transform.h
@@ -9,11 +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:
@@ -32,9 +33,6 @@
       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