Compute registered properties after resolving high priority properties

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

Index: third_party/WebKit/Source/core/css/resolver/StyleResolver.cpp
diff --git a/third_party/WebKit/Source/core/css/resolver/StyleResolver.cpp b/third_party/WebKit/Source/core/css/resolver/StyleResolver.cpp
index db6324b8350c14e89883777228d676c8b30a956c..c1101b517fd353bc4a623e278afe35e0b6b84194 100644
--- a/third_party/WebKit/Source/core/css/resolver/StyleResolver.cpp
+++ b/third_party/WebKit/Source/core/css/resolver/StyleResolver.cpp
@@ -1801,6 +1801,9 @@ void StyleResolver::applyMatchedProperties(StyleResolverState& state,
           state.style()->getFontDescription())
     applyInheritedOnly = false;
 
+  // Registered custom properties are computed after high priority properties.
+  CSSVariableResolver::computeRegisteredVariables(state);
+
   // Now do the normal priority UA properties.
   applyMatchedProperties<LowPropertyPriority>(state, matchResult.uaRules(),
                                               false, applyInheritedOnly);