Upstream most of ios/web/net

ios/web/net/cookie_notification_bridge.h

Index: ios/web/net/cookie_notification_bridge.h
diff --git a/ios/web/net/cookie_notification_bridge.h b/ios/web/net/cookie_notification_bridge.h
new file mode 100644
index 0000000000000000000000000000000000000000..36fc70665566f4d0f1d675fea0af8aed183c0e95
--- /dev/null
+++ b/ios/web/net/cookie_notification_bridge.h
@@ -0,0 +1,31 @@
+// 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_WEB_NET_COOKIE_NOTIFICATION_BRIDGE_H_
+#define IOS_WEB_NET_COOKIE_NOTIFICATION_BRIDGE_H_
+
+#include "base/mac/scoped_nsobject.h"
+#include "base/threading/thread_checker.h"
+
+namespace web {
+
+// CookieNotificationBridge listens to
+// NSHTTPCookieManagerCookiesChangedNotification on the main thread and re-sends
+// it to the cookie store on the IO thread.
+class CookieNotificationBridge {
+ public:
+  CookieNotificationBridge();
+  ~CookieNotificationBridge();
+
+ private:
+  void OnNotificationReceived(NSNotification* notification);
+  base::scoped_nsprotocol<id> observer_;
+  base::ThreadChecker thread_checker_;
+
+  DISALLOW_COPY_AND_ASSIGN(CookieNotificationBridge);
+};
+
+}  // namespace web
+
+#endif  // IOS_WEB_NET_COOKIE_NOTIFICATION_BRIDGE_H_