Implement color-gamut media query

third_party/WebKit/Source/core/css/MediaValuesCached.h

Index: third_party/WebKit/Source/core/css/MediaValuesCached.h
diff --git a/third_party/WebKit/Source/core/css/MediaValuesCached.h b/third_party/WebKit/Source/core/css/MediaValuesCached.h
index fa042b4edfb67595e0ae6d286df59fd7fa7f1f19..6455212fff4d087f42eaeed7f4d8f063fc146599 100644
--- a/third_party/WebKit/Source/core/css/MediaValuesCached.h
+++ b/third_party/WebKit/Source/core/css/MediaValuesCached.h
@@ -8,6 +8,7 @@
 #include "core/CoreExport.h"
 #include "core/css/MediaValues.h"
 #include "platform/CrossThreadCopier.h"
+#include "platform/graphics/ColorSpace.h"
 
 namespace blink {
 
@@ -34,25 +35,9 @@ class CORE_EXPORT MediaValuesCached final : public MediaValues {
     String mediaType;
     WebDisplayMode displayMode;
     DisplayShape displayShape;
+    ColorSpaceGamut colorGamut;
 
-    MediaValuesCachedData()
-        : viewportWidth(0),
-          viewportHeight(0),
-          deviceWidth(0),
-          deviceHeight(0),
-          devicePixelRatio(1.0),
-          colorBitsPerComponent(24),
-          monochromeBitsPerComponent(0),
-          primaryPointerType(PointerTypeNone),
-          availablePointerTypes(PointerTypeNone),
-          primaryHoverType(HoverTypeNone),
-          availableHoverTypes(HoverTypeNone),
-          defaultFontSize(16),
-          threeDEnabled(false),
-          strictMode(true),
-          displayMode(WebDisplayModeBrowser),
-          displayShape(DisplayShapeRect) {}
-
+    MediaValuesCachedData();
     explicit MediaValuesCachedData(Document&);
 
     MediaValuesCachedData deepCopy() const {
@@ -74,6 +59,7 @@ class CORE_EXPORT MediaValuesCached final : public MediaValues {
       data.mediaType = mediaType.isolatedCopy();
       data.displayMode = displayMode;
       data.displayShape = displayShape;
+      data.colorGamut = colorGamut;
       return data;
     }
   };
@@ -106,6 +92,7 @@ class CORE_EXPORT MediaValuesCached final : public MediaValues {
   const String mediaType() const override;
   WebDisplayMode displayMode() const override;
   DisplayShape displayShape() const override;
+  ColorSpaceGamut colorGamut() const override;
 
   void overrideViewportDimensions(double width, double height) override;