Update about:cache to display cached metadata for an entry....

net/http/http_cache.cc

 // Copyright (c) 2010 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.
 
 #include "net/http/http_cache.h"
 
 #include <algorithm>
 
 #include "base/compiler_specific.h"
 
@@ skipping 14 matching lines @@
 #include "net/http/http_cache_transaction.h"
 #include "net/http/http_network_layer.h"
 #include "net/http/http_network_session.h"
 #include "net/http/http_request_info.h"
 #include "net/http/http_response_headers.h"
 #include "net/http/http_response_info.h"
 #include "net/spdy/spdy_session_pool.h"
 
 namespace net {
 
-// disk cache entry data indices.
-enum {
-  kResponseInfoIndex,
-  kResponseContentIndex
-};
-
 //-----------------------------------------------------------------------------
 
 HttpCache::ActiveEntry::ActiveEntry(disk_cache::Entry* e)
     : disk_entry(e),
       writer(NULL),
       will_process_pending_queue(false),
       doomed(false) {
 }
 
 HttpCache::ActiveEntry::~ActiveEntry() {
@@ skipping 853 matching lines @@
         item->NotifyTransaction(ERR_CACHE_RACE, NULL);
         fail_requests = true;
       } else {
         item->NotifyTransaction(result, entry);
       }
     }
   }
 }
 
 }  // namespace net