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

chrome/browser/signin/token_service.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.
 
 #include "chrome/browser/signin/token_service.h"
 
 #include "base/basictypes.h"
 #include "base/command_line.h"
 #include "base/prefs/pref_service.h"
 #include "base/string_util.h"
@@ skipping 82 matching lines @@
   if (cmd_line->HasSwitch(switches::kSetToken)) {
     std::string value = cmd_line->GetSwitchValueASCII(switches::kSetToken);
     int separator = value.find(':');
     std::string service = value.substr(0, separator);
     std::string token = value.substr(separator + 1);
     token_map_[service] = token;
     SaveAuthTokenToDB(service, token);
   }
 }
 
-// TODO(petewil) We should refactor the token_service so it does not both
-// store tokens and fetch them.  Move the key-value storage out of
-// token_service, and leave the token fetching in token_service.
-
 void TokenService::AddAuthTokenManually(const std::string& service,
                                         const std::string& auth_token) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
   VLOG(1) << "Got an authorization token for " << service;
   token_map_[service] = auth_token;
   FireTokenAvailableNotification(service, auth_token);
   SaveAuthTokenToDB(service, auth_token);
 
 // We don't ever want to fetch OAuth2 tokens from LSO service token in case
 // when ChromeOS is in forced OAuth2 use mode. OAuth2 token should only
@@ skipping 281 matching lines @@
   // tokens from the DB into memory.
   for (size_t i = 0; i < arraysize(kServices); ++i) {
     DCHECK(NULL == fetchers_[i].get());
   }
 
   for (size_t i = 0; i < arraysize(kServices); i++) {
     LoadSingleTokenIntoMemory(db_tokens, in_memory_tokens, kServices[i]);
   }
   LoadSingleTokenIntoMemory(db_tokens, in_memory_tokens,
       GaiaConstants::kGaiaOAuth2LoginRefreshToken);
-  // TODO(petewil): Remove next line when we refactor key-value
-  // storage out of token_service - http://crbug.com/177125.
-  LoadSingleTokenIntoMemory(db_tokens, in_memory_tokens,
-      GaiaConstants::kObfuscatedGaiaId);
 
   if (credentials_.lsid.empty() && credentials_.sid.empty()) {
     // Look for GAIA SID and LSID tokens.  If we have both, and the current
     // crendentials are empty, update the credentials.
     std::string lsid;
     std::string sid;
 
     if (db_tokens.count(GaiaConstants::kGaiaLsid) > 0)
       lsid = db_tokens.find(GaiaConstants::kGaiaLsid)->second;
 
@@ skipping 43 matching lines @@
 
 void TokenService::AddSigninDiagnosticsObserver(
     SigninDiagnosticsObserver* observer) {
   signin_diagnostics_observers_.AddObserver(observer);
 }
 
 void TokenService::RemoveSigninDiagnosticsObserver(
     SigninDiagnosticsObserver* observer) {
   signin_diagnostics_observers_.RemoveObserver(observer);
 }