Add an OWNERS file for the about:profiler javascript code.

chrome/browser/resources/profiler/profiler.js

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 var g_browserBridge;
 var g_mainView;
 
 // TODO(eroman): The handling of "max" across snapshots is not correct.
 // For starters the browser needs to be aware to generate new maximums.
 // Secondly, we need to take into account the "max" of intermediary snapshots,
@@ skipping 2042 matching lines @@
           groupKey.push(entry);
         }
 
         return JSON.stringify(groupKey);
       };
     },
   };
 
   return MainView;
 })();