Change the copyright from Chromium OS to Chromium.

ui/file_manager/zip_archiver/unpacker-test/js/integration_test_helper.js

-// Copyright 2014 The Chromium OS Authors. All rights reserved.
+// Copyright 2014 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.
 
 'use strict';
 
 /**
  * A helper namespace used by integration_tests.js.
  */
 var tests_helper = {
   /**
@@ skipping 312 matching lines @@
 
         // Received less data than requested so truncate result buffer.
         if (resultOffset < length)
           result = result.subarray(0, resultOffset);
 
         fulfill(result);
       }, reject /* In case of errors just reject with ProviderError. */);
     });
   },
 };