Remove redundant mapping of net errors to strings.

chrome/browser/resources/net_internals/source_entry.js

 // Copyright (c) 2012 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 SourceEntry = (function() {
   'use strict';
 
   /**
    * A SourceEntry gathers all log entries with the same source.
    *
@@ skipping 27 matching lines @@
       }
 
       // If we have a net error code, update |this.isError_| if appropriate.
       if (logEntry.params) {
         var netErrorCode = logEntry.params.net_error;
         // Skip both cases where netErrorCode is undefined, and cases where it
         // is 0, indicating no actual error occurred.
         if (netErrorCode) {
           // Ignore error code caused by not finding an entry in the cache.
           if (logEntry.type != EventType.HTTP_CACHE_OPEN_ENTRY ||
-              netErrorCode != NetError.FAILED) {
+              netErrorCode != NetError.ERR_FAILED) {
             this.isError_ = true;
           }
         }
       }
 
       var prevStartEntry = this.getStartEntry_();
       this.entries_.push(logEntry);
       var curStartEntry = this.getStartEntry_();
 
       // If we just got the first entry for this source.
@@ skipping 281 matching lines @@
           this.entries_,
           SourceTracker.getInstance().getPrivacyStripping(),
           SourceTracker.getInstance().getUseRelativeTimes() ?
               timeutil.getBaseTime() : 0,
           Constants.clientInfo.numericDate);
     },
   };
 
   return SourceEntry;
 })();