1 files changed, 1 insertions, 1 deletions
diff --git a/chromium/third_party/blink/renderer/core/css/cssom/declared_style_property_map.h b/chromium/third_party/blink/renderer/core/css/cssom/declared_style_property_map.h
index 4bb264af0b5..195cd30587f 100644
--- a/chromium/third_party/blink/renderer/core/css/cssom/declared_style_property_map.h
+++ b/chromium/third_party/blink/renderer/core/css/cssom/declared_style_property_map.h
@@ -24,7 +24,7 @@ class CORE_EXPORT DeclaredStylePropertyMap final : public StylePropertyMap {
  public:
   explicit DeclaredStylePropertyMap(CSSStyleRule* owner_rule);
 
-  void Trace(Visitor* visitor) override {
+  void Trace(Visitor* visitor) const override {
     visitor->Trace(owner_rule_);
     StylePropertyMap::Trace(visitor);
   }