Build a new TokenCacheService so I can stop using TokenService for something it wasn't designed for.

google_apis/gaia/gaia_constants.cc

 // 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.
 //
 // Constants definitions
 
 #include "google_apis/gaia/gaia_constants.h"
 
 namespace GaiaConstants {
 
@@ skipping 29 matching lines @@
 const char kGaiaSid[] = "sid";
 const char kGaiaLsid[] = "lsid";
 const char kGaiaOAuthToken[] = "oauthToken";
 const char kGaiaOAuthSecret[] = "oauthSecret";
 const char kGaiaOAuthDuration[] = "3600";
 const char kGaiaOAuth2LoginRefreshToken[] = "oauth2LoginRefreshToken";
 const char kGaiaOAuth2LoginAccessToken[] = "oauth2LoginAccessToken";
 
 // Used to construct a channel ID for push messaging.
 const char kObfuscatedGaiaId[] = "obfuscatedGaiaId";
+const int kObfuscatedGaiaIdTimeoutInDays = 30;
 
 // Used to build ClientOAuth requests.  These are the names of keys used when
 // building base::DictionaryValue that represent the json data that makes up
 // the ClientOAuth endpoint protocol.  The comment above each constant explains
 // what value is associated with that key.
 
 // Canonical email and password of the account to sign in.
 const char kClientOAuthEmailKey[] = "email";
 const char kClientOAuthPasswordKey[] = "password";
 
@@ skipping 27 matching lines @@
 // in kClientOAuthAcceptsChallengesKey from that original request.
 const char kClientOAuthNameKey[] = "name";
 
 // The challenge token received in the original ClientOAuth request.
 const char kClientOAuthChallengeTokenKey[] = "challenge_token";
 
 // The dictionary that contains the challenge response.
 const char kClientOAuthchallengeReplyKey[] = "challenge_reply";
 
 }  // namespace GaiaConstants