diff --git a/shell/common/gin_converters/content_converter.cc b/shell/common/gin_converters/content_converter.cc
index 4d6b250cfa166..b1509558e73bf 100644
--- a/shell/common/gin_converters/content_converter.cc
+++ b/shell/common/gin_converters/content_converter.cc
@@ -80,7 +80,7 @@ v8::Local<v8::Value> Converter<ContextMenuParamsWithRenderFrameHost>::ToV8(
   const auto& params = val.first;
   content::RenderFrameHost* render_frame_host = val.second;
   gin_helper::Dictionary dict = gin::Dictionary::CreateEmpty(isolate);
-  dict.SetGetter("frame", render_frame_host);
+  dict.SetGetterNonEnumerable("frame", render_frame_host);
   dict.Set("x", params.x);
   dict.Set("y", params.y);
   dict.Set("linkURL", params.link_url);
diff --git a/shell/common/gin_helper/dictionary.h b/shell/common/gin_helper/dictionary.h
index 5e55c418f2582..7015aef02d6ab 100644
--- a/shell/common/gin_helper/dictionary.h
+++ b/shell/common/gin_helper/dictionary.h
@@ -111,7 +111,9 @@ class Dictionary : public gin::Dictionary {
   }
 
   template <typename K, typename V>
-  bool SetGetter(const K& key, const V& val) {
+  bool SetGetter(const K& key,
+                 const V& val,
+                 v8::PropertyAttribute attribute = v8::None) {
     AccessorValue<V> acc_value;
     acc_value.Value = val;
 
@@ -136,10 +138,15 @@ class Dictionary : public gin::Dictionary {
               if (gin::TryConvertToV8(info.GetIsolate(), val, &v8_value))
                 info.GetReturnValue().Set(v8_value);
             },
-            NULL, v8_value_accessor)
+            nullptr, v8_value_accessor, v8::DEFAULT, attribute)
         .ToChecked();
   }
 
+  template <typename K, typename V>
+  bool SetGetterNonEnumerable(const K& key, const V& val) {
+    return SetGetter(key, val, v8::DontEnum);
+  }
+
   template <typename T>
   bool SetReadOnly(base::StringPiece key, const T& val) {
     v8::Local<v8::Value> v8_value;