Rename SkColorSpace::GammaNamed to SkColorSpace::RenderTargetGamma

src/codec/SkPngCodec.cpp

 /*
  * Copyright 2015 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkBitmap.h"
 #include "SkCodecPriv.h"
 #include "SkColorPriv.h"
@@ skipping 311 matching lines @@
             float value = png_inverted_fixed_point_to_float(gamma);
             gammas[0] = value;
             gammas[1] = value;
             gammas[2] = value;
 
             return SkColorSpace_Base::NewRGB(gammas, toXYZD50);
         }
 
         // Default to sRGB gamma if the image has color space information,
         // but does not specify gamma.
-        return SkColorSpace::NewRGB(SkColorSpace::kSRGB_GammaNamed, toXYZD50);
+        return SkColorSpace::NewRGB(SkColorSpace::kSRGB_RenderTargetGamma, toXYZD50);
     }
 
     // Last, check for gamma.
     if (PNG_INFO_gAMA == png_get_gAMA_fixed(png_ptr, info_ptr, &gamma)) {
 
         // Set the gammas.
         float value = png_inverted_fixed_point_to_float(gamma);
         gammas[0] = value;
         gammas[1] = value;
         gammas[2] = value;
@@ skipping 602 matching lines @@
     SkCodec* outCodec;
     if (read_header(stream, chunkReader, &outCodec, nullptr, nullptr)) {
         // Codec has taken ownership of the stream.
         SkASSERT(outCodec);
         streamDeleter.release();
         return outCodec;
     }
 
     return nullptr;
 }