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

chrome/browser/extensions/token_cache/token_cache_service_factory.cc

+// Copyright (c) 2013 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/extensions/token_cache/token_cache_service_factory.h"
+
+#include "chrome/browser/extensions/extension_system_factory.h"
+#include "chrome/browser/extensions/token_cache/token_cache_service.h"
+#include "chrome/browser/profiles/profile_dependency_manager.h"
+
+// static
+extensions::TokenCacheService*
+TokenCacheServiceFactory::GetForProfile(Profile* profile) {
+  return static_cast<extensions::TokenCacheService*>(
+      GetInstance()->GetServiceForProfile(profile, true));
+ }
+
+// static
+TokenCacheServiceFactory* TokenCacheServiceFactory::GetInstance() {
+  return Singleton<TokenCacheServiceFactory>::get();
+}
+
+TokenCacheServiceFactory::TokenCacheServiceFactory()
+    : ProfileKeyedServiceFactory("TokenCacheService",
+                                 ProfileDependencyManager::GetInstance()) {
+}
+
+TokenCacheServiceFactory::~TokenCacheServiceFactory() {
+}
+
+ProfileKeyedService* TokenCacheServiceFactory::BuildServiceInstanceFor(
+    Profile* profile) const {
+  return new extensions::TokenCacheService(profile);
+}