Implement color-gamut media query

third_party/WebKit/Source/platform/graphics/BitmapImageMetrics.h

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef BitmapImageMetrics_h
 #define BitmapImageMetrics_h
 
 #include "platform/PlatformExport.h"
 #include "platform/graphics/ImageOrientation.h"
 #include "third_party/skia/include/core/SkColorSpace.h"
@@ skipping 28 matching lines @@
     GammaNull = 4,
     GammaFail = 5,
     GammaInvalid = 6,
     GammaExponent = 7,
     GammaTable = 8,
     GammaParametric = 9,
     GammaNamed = 10,
     GammaEnd = GammaNamed + 1,
   };
 
-  enum Gamut {
-    // Values synced with 'Gamut' in src/tools/metrics/histograms/histograms.xml
-    GamutUnknown = 0,
-    GamutLessThanNTSC = 1,
-    GamutNTSC = 2,
-    GamutSRGB = 3,
-    GamutAlmostP3 = 4,
-    GamutP3 = 5,
-    GamutAdobeRGB = 6,
-    GamutWide = 7,
-    GamutBT2020 = 8,
-    GamutProPhoto = 9,
-    GamutUltraWide = 10,
-    GamutEnd
-  };
-
   static void countDecodedImageType(const String& type);
   static void countImageOrientation(const ImageOrientationEnum);
   static void countImageGammaAndGamut(SkColorSpace*);
   static void countOutputGammaAndGamut(SkColorSpace*);
 
  private:
   static Gamma getColorSpaceGamma(SkColorSpace*);
-  static Gamut getColorSpaceGamut(SkColorSpace*);
 };
 
 }  // namespace blink
 
 #endif