1 files changed, 3 insertions, 3 deletions
diff --git a/chromium/third_party/blink/renderer/modules/encryptedmedia/media_key_status_map.cc b/chromium/third_party/blink/renderer/modules/encryptedmedia/media_key_status_map.cc
index 7d481b963b6..212d509a455 100644
--- a/chromium/third_party/blink/renderer/modules/encryptedmedia/media_key_status_map.cc
+++ b/chromium/third_party/blink/renderer/modules/encryptedmedia/media_key_status_map.cc
@@ -56,7 +56,7 @@ class MediaKeyStatusMap::MapEntry final
     return a->KeyId()->ByteLengthAsSizeT() < b->KeyId()->ByteLengthAsSizeT();
   }
 
-  virtual void Trace(Visitor* visitor) { visitor->Trace(key_id_); }
+  virtual void Trace(Visitor* visitor) const { visitor->Trace(key_id_); }
 
  private:
   const Member<DOMArrayBuffer> key_id_;
@@ -85,7 +85,7 @@ class MapIterationSource final
     return true;
   }
 
-  void Trace(Visitor* visitor) override {
+  void Trace(Visitor* visitor) const override {
     visitor->Trace(map_);
     PairIterable<ArrayBufferOrArrayBufferView, String>::IterationSource::Trace(
         visitor);
@@ -149,7 +149,7 @@ MediaKeyStatusMap::StartIteration(ScriptState*, ExceptionState&) {
   return MakeGarbageCollected<MapIterationSource>(this);
 }
 
-void MediaKeyStatusMap::Trace(Visitor* visitor) {
+void MediaKeyStatusMap::Trace(Visitor* visitor) const {
   visitor->Trace(entries_);
   ScriptWrappable::Trace(visitor);
 }