Update asynchronous CookieMonster API to login_utils.

net/base/cookie_monster.cc

Index: net/base/cookie_monster.cc
===================================================================
--- net/base/cookie_monster.cc	(revision 94320)
+++ net/base/cookie_monster.cc	(working copy)
@@ -611,9 +611,7 @@
     callback.Run(success_);
 }
 
-bool CookieMonster::InitializeFrom(CookieMonster* cookie_monster) {
-  net::CookieList list = cookie_monster->GetAllCookies();
-
+bool CookieMonster::InitializeFrom(const CookieList& list) {
   base::AutoLock autolock(lock_);
   InitIfNecessary();
   for (net::CookieList::const_iterator iter = list.begin();