Add initial cookie changed event support

atom/browser/net/atom_cookie_delegate.h

@@ -0,0 +1,48 @@
+// Copyright (c) 2016 GitHub, Inc.
+// Use of this source code is governed by the MIT license that can be
+// found in the LICENSE file.
+
+#ifndef ATOM_BROWSER_NET_ATOM_COOKIE_DELEGATE_H_
+#define ATOM_BROWSER_NET_ATOM_COOKIE_DELEGATE_H_
+
+#include "base/observer_list.h"
+#include "net/cookies/cookie_monster.h"
+
+namespace atom {
+
+class AtomCookieDelegate : public net::CookieMonsterDelegate {
+ public:
+  AtomCookieDelegate();
+  ~AtomCookieDelegate() override;
+
+  class Observer {
+   public:
+    virtual void OnCookieChanged(const net::CanonicalCookie& cookie,
+                                 bool removed,
+                                 ChangeCause cause) {}
+   protected:
+    virtual ~Observer() {}
+  };
+
+  void AddObserver(Observer* observer);
+  void RemoveObserver(Observer* observer);
+
+  // net::CookieMonsterDelegate:
+  void OnCookieChanged(const net::CanonicalCookie& cookie,
+                       bool removed,
+                       ChangeCause cause) override;
+
+
+ private:
+  base::ObserverList<Observer> observers_;
+
+  void NotifyObservers(const net::CanonicalCookie& cookie,
+                       bool removed,
+                       ChangeCause cause);
+
+  DISALLOW_COPY_AND_ASSIGN(AtomCookieDelegate);
+};
+
+}   // namespace atom
+
+#endif  // ATOM_BROWSER_NET_ATOM_COOKIE_DELEGATE_H_