Rename SkColorSpace::GammaNamed to SkColorSpace::RenderTargetGamma

include/core/SkColorSpace.h

 /*
  * Copyright 2016 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef SkColorSpace_DEFINED
 #define SkColorSpace_DEFINED
 
@@ skipping 15 matching lines @@
          */
         kSRGB_Named,
 
         /**
          *  Very common wide gamut color space.
          *  Often used by images and monitors.
          */
         kAdobeRGB_Named,
     };
 
-    enum GammaNamed : uint8_t {
-        kLinear_GammaNamed,
+    enum RenderTargetGamma : uint8_t {
+        kLinear_RenderTargetGamma,
 
         /**
          *  Transfer function is the canonical sRGB curve, which has a short linear segment
          *  followed by a 2.4f exponential.
          */
-        kSRGB_GammaNamed,
+        kSRGB_RenderTargetGamma,
+
+        // DO NOT USE: Being deleted.
+        kLinear_GammaNamed = kLinear_RenderTargetGamma,
     };
 
     /**
-     *  Create an SkColorSpace from the src gamma and a transform from src gamut to D50 XYZ.
+     *  Create an SkColorSpace from a transfer function and a color gamut transform to D50 XYZ.
      */
-    static sk_sp<SkColorSpace> NewRGB(GammaNamed gammaNamed, const SkMatrix44& toXYZD50);
+    static sk_sp<SkColorSpace> NewRGB(RenderTargetGamma gamma, const SkMatrix44& toXYZD50);
 
     /**
      *  Create a common, named SkColorSpace.
      */
     static sk_sp<SkColorSpace> NewNamed(Named);
 
     /**
      *  Create an SkColorSpace from an ICC profile.
      */
     static sk_sp<SkColorSpace> NewICC(const void*, size_t);
@@ skipping 38 matching lines @@
      */
     static bool Equals(const SkColorSpace* src, const SkColorSpace* dst);
 
 protected:
     SkColorSpace(const SkMatrix44& toXYZD50);
 
     const SkMatrix44 fToXYZD50;
 };
 
 #endif