Add AddCallbackForCookie method to CookieStore.

net/cookies/cookie_store_test_helpers.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 "net/cookies/cookie_store_test_helpers.h"
 
 #include "base/bind.h"
 #include "base/message_loop/message_loop.h"
 
 namespace net {
@@ skipping 117 matching lines @@
 }
 
 void DelayedCookieMonster::DeleteSessionCookiesAsync(const DeleteCallback&) {
   ADD_FAILURE();
 }
 
 CookieMonster* DelayedCookieMonster::GetCookieMonster() {
   return cookie_monster_.get();
 }
 
+scoped_ptr<CookieStore::CookieChangedSubscription>
+DelayedCookieMonster::AddCallbackForCookie(
+    const GURL& url,
+    const std::string& name,
+    const CookieChangedCallback& callback) {
+  ADD_FAILURE();
+  return scoped_ptr<CookieStore::CookieChangedSubscription>();
+}
+
 }  // namespace net