1 files changed, 13 insertions, 14 deletions
diff --git a/chromium/third_party/catapult/tracing/tracing/value/diagnostics/generic.html b/chromium/third_party/catapult/tracing/tracing/value/diagnostics/generic.html
index 7ac19796e34..fae4fdd3119 100644
--- a/chromium/third_party/catapult/tracing/tracing/value/diagnostics/generic.html
+++ b/chromium/third_party/catapult/tracing/tracing/value/diagnostics/generic.html
@@ -15,25 +15,24 @@ tr.exportTo('tr.v.d', function() {
    * A Generic diagnostic can contain any Plain-Ol'-Data objects that can be
    * serialized using JSON.stringify(): null, boolean, number, string, array,
    * dict. Generic diagnostics cannot contain tr.v.Value objects!
-   *
-   * @constructor
-   * @param {*} value
    */
-  function Generic(value) {
-    this.value = value;
-  }
-
-  Generic.prototype = {
-    __proto__: tr.v.d.Diagnostic.prototype,
+  class Generic extends tr.v.d.Diagnostic {
+    /**
+     * @param {*} value
+     */
+    constructor(value) {
+      super();
+      this.value = value;
+    }
 
-    asDictInto_: function(d) {
+    asDictInto_(d) {
       d.value = this.value;
     }
-  };
 
-  Generic.fromDict = function(d) {
-    return new Generic(d.value);
-  };
+    static fromDict(d) {
+      return new Generic(d.value);
+    }
+  }
 
   tr.v.d.Diagnostic.register(Generic, {
     elementName: 'tr-v-ui-generic-diagnostic-span'