CookieStore: Remove reference counting.

ios/chrome/browser/browser_state/chrome_browser_state_io_data.cc

 // Copyright 2015 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 "ios/chrome/browser/browser_state/chrome_browser_state_io_data.h"
 
 #include <stddef.h>
 
 #include <string>
 #include <utility>
@@ skipping 115 matching lines @@
     signin_allowed_.Init(prefs::kSigninAllowed, pref_service);
     signin_allowed_.MoveToThread(io_task_runner);
   }
 
   initialized_on_UI_thread_ = true;
 }
 
 ChromeBrowserStateIOData::AppRequestContext::AppRequestContext() {}
 
 void ChromeBrowserStateIOData::AppRequestContext::SetCookieStore(
-    net::CookieStore* cookie_store) {
-  cookie_store_ = cookie_store;
-  set_cookie_store(cookie_store);
+    scoped_ptr<net::CookieStore> cookie_store) {
+  cookie_store_ = std::move(cookie_store);
+  set_cookie_store(cookie_store_.get());
 }
 
 void ChromeBrowserStateIOData::AppRequestContext::SetHttpTransactionFactory(
     scoped_ptr<net::HttpTransactionFactory> http_factory) {
   http_factory_ = std::move(http_factory);
   set_http_transaction_factory(http_factory_.get());
 }
 
 void ChromeBrowserStateIOData::AppRequestContext::SetJobFactory(
     scoped_ptr<net::URLRequestJobFactory> job_factory) {
@@ skipping 320 matching lines @@
   return scoped_ptr<net::HttpCache>(
       new net::HttpCache(session, std::move(main_backend), true));
 }
 
 scoped_ptr<net::HttpCache> ChromeBrowserStateIOData::CreateHttpFactory(
     net::HttpNetworkSession* shared_session,
     scoped_ptr<net::HttpCache::BackendFactory> backend) const {
   return scoped_ptr<net::HttpCache>(
       new net::HttpCache(shared_session, std::move(backend), true));
 }