Push API: send and receive IPC messages for registration.

content/browser/push_messaging_message_filter.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 CONTENT_BROWSER_PUSH_MESSAGING_MESSAGE_FILTER_H_
+#define CONTENT_BROWSER_PUSH_MESSAGING_MESSAGE_FILTER_H_
+
+#include <string>
+
+#include "content/public/browser/browser_message_filter.h"
+#include "url/gurl.h"
+
+namespace content {
+
+class PushMessagingMessageFilter : public BrowserMessageFilter {
+ public:
+  PushMessagingMessageFilter();
+
+ private:
+  virtual ~PushMessagingMessageFilter();
+
+  // BrowserMessageFilter implementation.
+  virtual bool OnMessageReceived(const IPC::Message& message,
+                                 bool* message_was_ok) OVERRIDE;
+
+  void OnRegister(int routing_id,
+                  int callbacks_id,
+                  const std::string& sender_id);
+
+  void DidRegister(int routing_id,
+                   int callbacks_id,
+                   const GURL& endpoint,
+                   const std::string& registration_id,
+                   bool error);
+
+  DISALLOW_COPY_AND_ASSIGN(PushMessagingMessageFilter);
+};
+
+}  // namespace content
+
+#endif  // CONTENT_BROWSER_PUSH_MESSAGING_MESSAGE_FILTER_H_