Delete SkColorSpace::gammaNamed() from public API

src/image/SkSurface_Gpu.cpp

 /*
  * Copyright 2012 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkSurface_Gpu.h"
 
 #include "GrContextPriv.h"
@@ skipping 118 matching lines @@
 
 void SkSurface_Gpu::onPrepareForExternalIO() {
     fDevice->flush();
 }
 
 ///////////////////////////////////////////////////////////////////////////////
 
 bool SkSurface_Gpu::Valid(const SkImageInfo& info) {
     switch (info.colorType()) {
         case kRGBA_F16_SkColorType:
-            return info.colorSpace() &&
-                   SkColorSpace::kLinear_GammaNamed == info.colorSpace()->gammaNamed();
+            return info.colorSpace() && info.colorSpace()->gammaIsLinear();
         case kRGBA_8888_SkColorType:
         case kBGRA_8888_SkColorType:
             return !info.colorSpace() || info.colorSpace()->gammaCloseToSRGB();
         default:
             return !info.colorSpace();
     }
 }
 
 bool SkSurface_Gpu::Valid(GrContext* context, GrPixelConfig config, SkColorSpace* colorSpace) {
     switch (config) {
         case kRGBA_half_GrPixelConfig:
-            return colorSpace && SkColorSpace::kLinear_GammaNamed == colorSpace->gammaNamed();
+            return colorSpace && colorSpace->gammaIsLinear();
         case kSRGBA_8888_GrPixelConfig:
         case kSBGRA_8888_GrPixelConfig:
             return context->caps()->srgbSupport() && colorSpace && colorSpace->gammaCloseToSRGB();
         case kRGBA_8888_GrPixelConfig:
         case kBGRA_8888_GrPixelConfig:
             // If we don't have sRGB support, we may get here with a color space. It still needs
             // to be sRGB-like (so that the application will work correctly on sRGB devices.)
             return !colorSpace ||
                 (!context->caps()->srgbSupport() && colorSpace->gammaCloseToSRGB());
         default:
@@ skipping 96 matching lines @@
 
     sk_sp<SkGpuDevice> device(SkGpuDevice::Make(std::move(dc), desc.fWidth, desc.fHeight,
                                                 SkGpuDevice::kUninit_InitContents));
     if (!device) {
         return nullptr;
     }
     return sk_make_sp<SkSurface_Gpu>(std::move(device));
 }
 
 #endif