[iOS] Upstream //ios/net

ios/net/cookies/cookie_store_ios_client.h

+// Copyright 2014 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.
+
+#ifndef IOS_NET_COOKIES_COOKIE_STORE_IOS_CLIENT_H_
+#define IOS_NET_COOKIES_COOKIE_STORE_IOS_CLIENT_H_
+
+#include "base/macros.h"
+#include "base/memory/ref_counted.h"
+#include "base/sequenced_task_runner.h"
+
+namespace net {
+
+class CookieStoreIOSClient;
+
+// Setter and getter for the client.
+void SetCookieStoreIOSClient(CookieStoreIOSClient* client);
+CookieStoreIOSClient* GetCookieStoreIOSClient();
+
+// Interface that the embedder of the net layer implements. This class lives on
+// the same thread as the CookieStoreIOS.
+class CookieStoreIOSClient {
+ public:
+  CookieStoreIOSClient();
+  virtual ~CookieStoreIOSClient();
+
+  // Gives the embedder a chance to perform tasks before the cookie storage is
+  // changed.
+  virtual void WillChangeCookieStorage() const;
+
+  // Informs the embedder after the cookie storage has been changed.
+  virtual void DidChangeCookieStorage() const;
+
+  // Returns instance of SequencedTaskRunner used for blocking file I/O.
+  virtual scoped_refptr<base::SequencedTaskRunner> GetTaskRunner() const;
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(CookieStoreIOSClient);
+};
+
+}  // namespace net
+
+#endif  // IOS_NET_COOKIES_COOKIE_STORE_IOS_CLIENT_H_