Add CSS support for font-variation-settings

third_party/WebKit/Source/core/frame/UseCounter.cpp

Index: third_party/WebKit/Source/core/frame/UseCounter.cpp
diff --git a/third_party/WebKit/Source/core/frame/UseCounter.cpp b/third_party/WebKit/Source/core/frame/UseCounter.cpp
index 80e96095731b90f4f460fa44a2a1d3f48f77760e..2433c7c47efc4ddd7fd2493525bdafc181bcefc8 100644
--- a/third_party/WebKit/Source/core/frame/UseCounter.cpp
+++ b/third_party/WebKit/Source/core/frame/UseCounter.cpp
@@ -45,7 +45,7 @@ int totalPagesMeasuredCSSSampleId() {
 }
 
 // Make sure update_use_counter_css.py was run which updates histograms.xml.
-constexpr int kMaximumCSSSampleId = 548;
+constexpr int kMaximumCSSSampleId = 549;
 
 }  // namespace
 
@@ -1064,6 +1064,8 @@ int UseCounter::mapCSSPropertyIdToCSSSampleIdForHistogram(
       return 547;
     case CSSPropertyOffsetRotate:
       return 548;
+    case CSSPropertyFontVariationSettings:
+      return 549;
     // 1. Add new features above this line (don't change the assigned numbers of
     // the existing items).
     // 2. Update kMaximumCSSSampleId with the new maximum value.