Add CSS support for font-variation-settings

third_party/WebKit/Source/core/css/resolver/FontBuilder.cpp

Index: third_party/WebKit/Source/core/css/resolver/FontBuilder.cpp
diff --git a/third_party/WebKit/Source/core/css/resolver/FontBuilder.cpp b/third_party/WebKit/Source/core/css/resolver/FontBuilder.cpp
index 79ce1e42e1a9487c6bf9e351aa61ee157ea576ae..c0317c8c8115721ac83150593dd4849553a608e1 100644
--- a/third_party/WebKit/Source/core/css/resolver/FontBuilder.cpp
+++ b/third_party/WebKit/Source/core/css/resolver/FontBuilder.cpp
@@ -182,10 +182,15 @@ void FontBuilder::setFontSmoothing(FontSmoothingMode foontSmoothingMode) {
 
 void FontBuilder::setFeatureSettings(PassRefPtr<FontFeatureSettings> settings) {
   set(PropertySetFlag::FeatureSettings);
-
   m_fontDescription.setFeatureSettings(std::move(settings));
 }
 
+void FontBuilder::setVariationSettings(
+    PassRefPtr<FontVariationSettings> settings) {
+  set(PropertySetFlag::VariationSettings);
+  m_fontDescription.setVariationSettings(std::move(settings));
+}
+
 void FontBuilder::setFamilyDescription(
     FontDescription& fontDescription,
     const FontDescription::FamilyDescription& familyDescription) {
@@ -380,6 +385,8 @@ void FontBuilder::createFont(FontSelector* fontSelector, ComputedStyle& style) {
     description.setVariantLigatures(m_fontDescription.getVariantLigatures());
   if (isSet(PropertySetFlag::VariantNumeric))
     description.setVariantNumeric(m_fontDescription.variantNumeric());
+  if (isSet(PropertySetFlag::VariationSettings))
+    description.setVariationSettings(m_fontDescription.variationSettings());
   if (isSet(PropertySetFlag::TextRendering))
     description.setTextRendering(m_fontDescription.textRendering());
   if (isSet(PropertySetFlag::Kerning))