1 files changed, 8 insertions, 0 deletions
diff --git a/chromium/third_party/blink/renderer/core/css/css_property_value.cc b/chromium/third_party/blink/renderer/core/css/css_property_value.cc
index 8d7ee819a7e..8d9162ecd74 100644
--- a/chromium/third_party/blink/renderer/core/css/css_property_value.cc
+++ b/chromium/third_party/blink/renderer/core/css/css_property_value.cc
@@ -20,6 +20,8 @@
 
 #include "third_party/blink/renderer/core/css/css_property_value.h"
 
+#include "third_party/blink/renderer/core/css/css_custom_property_declaration.h"
+#include "third_party/blink/renderer/core/css/css_property_name.h"
 #include "third_party/blink/renderer/core/style/computed_style_constants.h"
 #include "third_party/blink/renderer/core/style_property_shorthand.h"
 
@@ -46,6 +48,12 @@ CSSPropertyID CSSPropertyValueMetadata::ShorthandID() const {
   return shorthands.at(index_in_shorthands_vector_).id();
 }
 
+CSSPropertyName CSSPropertyValue::Name() const {
+  if (Id() != CSSPropertyVariable)
+    return CSSPropertyName(Id());
+  return CSSPropertyName(ToCSSCustomPropertyDeclaration(value_)->GetName());
+}
+
 bool CSSPropertyValue::operator==(const CSSPropertyValue& other) const {
   return DataEquivalent(value_, other.value_) &&
          IsImportant() == other.IsImportant();