Start work on splitting off the usage piece of in-memory index. This revision is just from the prev…

net/base/net_error_list.h

 // 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.
 
 // This file intentionally does not have header guards, it's included
 // inside a macro to generate enum values.
 
 // This file contains the list of network errors.
 
 //
@@ skipping 746 matching lines @@
 // SimpleCache backend, but not by any URLRequest methods or members.
 NET_ERROR(CACHE_CHECKSUM_MISMATCH, -408)
 
 // Internal error code for the HTTP cache. The cache lock timeout has fired.
 NET_ERROR(CACHE_LOCK_TIMEOUT, -409)
 
 // Received a challenge after the transaction has read some data, and the
 // credentials aren't available.  There isn't a way to get them at that point.
 NET_ERROR(CACHE_AUTH_FAILURE_AFTER_READ, -410)
 
+// Internal not-quite error code for the HTTP cache. In-memory hints suggest
+// that the entry will not be useable under circumstances.
+NET_ERROR(CACHE_ENTRY_NOT_SUITABLE, -411)
+
 // The server's response was insecure (e.g. there was a cert error).
 NET_ERROR(INSECURE_RESPONSE, -501)
 
 // An attempt to import a client certificate failed, as the user's key
 // database lacked a corresponding private key.
 NET_ERROR(NO_PRIVATE_KEY_FOR_CERT, -502)
 
 // An error adding a certificate to the OS certificate database.
 NET_ERROR(ADD_USER_CERT_FAILED, -503)
 
@@ skipping 98 matching lines @@
 NET_ERROR(DNS_TIMED_OUT, -803)
 
 // The entry was not found in cache, for cache-only lookups.
 NET_ERROR(DNS_CACHE_MISS, -804)
 
 // Suffix search list rules prevent resolution of the given host name.
 NET_ERROR(DNS_SEARCH_EMPTY, -805)
 
 // Failed to sort addresses according to RFC3484.
 NET_ERROR(DNS_SORT_ERROR, -806)