Implement color-gamut media query

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

Index: third_party/WebKit/Source/core/css/MediaValuesCached.cpp
diff --git a/third_party/WebKit/Source/core/css/MediaValuesCached.cpp b/third_party/WebKit/Source/core/css/MediaValuesCached.cpp
index c7cc9e072dfa23fbb864c55eb63cc267e9440f26..604177d4fc76c2b81818d90c32f1e384397bfd99 100644
--- a/third_party/WebKit/Source/core/css/MediaValuesCached.cpp
+++ b/third_party/WebKit/Source/core/css/MediaValuesCached.cpp
@@ -9,9 +9,29 @@
 #include "core/frame/LocalFrame.h"
 #include "core/layout/LayoutObject.h"
 #include "core/layout/api/LayoutViewItem.h"
+#include "platform/graphics/ColorSpace.h"
 
 namespace blink {
 
+MediaValuesCached::MediaValuesCachedData::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),
+      colorGamut(ColorSpaceGamut::Unknown) {}

[Yoav Weiss, 2017/01/27 12:13:38]

Oh, so when we were creating MediaValuesCached() all these values were
uninitialized? Thanks for catching that!

[mlamouri (slow - plz ping), 2017/01/27 16:54:29]

They were not, I moved it from the header so I didn't have to add ColorSpace.h
:)

+
 MediaValuesCached::MediaValuesCachedData::MediaValuesCachedData(
     Document& document)
     : MediaValuesCached::MediaValuesCachedData() {
@@ -44,6 +64,7 @@ MediaValuesCached::MediaValuesCachedData::MediaValuesCachedData(
     displayMode = MediaValues::calculateDisplayMode(frame);
     mediaType = MediaValues::calculateMediaType(frame);
     displayShape = MediaValues::calculateDisplayShape(frame);
+    colorGamut = MediaValues::calculateColorGamut(frame);
   }
 }
 
@@ -159,4 +180,8 @@ DisplayShape MediaValuesCached::displayShape() const {
   return m_data.displayShape;
 }
 
+ColorSpaceGamut MediaValuesCached::colorGamut() const {
+  return m_data.colorGamut;
+}
+
 }  // namespace blink