Move sockets APIs out of src/chrome

chrome/browser/extensions/api/sockets_udp/udp_socket_event_dispatcher.h

-// Copyright 2013 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 CHROME_BROWSER_EXTENSIONS_API_SOCKETS_UDP_UDP_SOCKET_EVENT_DISPATCHER_H_
-#define CHROME_BROWSER_EXTENSIONS_API_SOCKETS_UDP_UDP_SOCKET_EVENT_DISPATCHER_H_
-
-#include "chrome/browser/extensions/api/sockets_udp/sockets_udp_api.h"
-#include "extensions/browser/api/api_resource_manager.h"
-
-namespace content {
-class BrowserContext;
-}
-
-namespace extensions {
-struct Event;
-class ResumableUDPSocket;
-}
-
-namespace extensions {
-namespace api {
-
-// Dispatch events related to "sockets.udp" sockets from callback on native
-// socket instances. There is one instance per profile.
-class UDPSocketEventDispatcher
-    : public BrowserContextKeyedAPI,
-      public base::SupportsWeakPtr<UDPSocketEventDispatcher> {
- public:
-  explicit UDPSocketEventDispatcher(content::BrowserContext* context);
-  virtual ~UDPSocketEventDispatcher();
-
-  // Socket is active, start receving from it.
-  void OnSocketBind(const std::string& extension_id, int socket_id);
-
-  // Socket is active again, start receiving data from it.
-  void OnSocketResume(const std::string& extension_id, int socket_id);
-
-  // BrowserContextKeyedAPI implementation.
-  static BrowserContextKeyedAPIFactory<UDPSocketEventDispatcher>*
-      GetFactoryInstance();
-
-  // Convenience method to get the SocketEventDispatcher for a profile.
-  static UDPSocketEventDispatcher* Get(content::BrowserContext* context);
-
- private:
-  typedef ApiResourceManager<ResumableUDPSocket>::ApiResourceData SocketData;
-  friend class BrowserContextKeyedAPIFactory<UDPSocketEventDispatcher>;
-  // BrowserContextKeyedAPI implementation.
-  static const char* service_name() { return "UDPSocketEventDispatcher"; }
-  static const bool kServiceHasOwnInstanceInIncognito = true;
-  static const bool kServiceIsNULLWhileTesting = true;
-
-  // base::Bind supports methods with up to 6 parameters. ReceiveParams is used
-  // as a workaround that limitation for invoking StartReceive.
-  struct ReceiveParams {
-    ReceiveParams();
-    ~ReceiveParams();
-
-    content::BrowserThread::ID thread_id;
-    void* browser_context_id;
-    std::string extension_id;
-    scoped_refptr<SocketData> sockets;
-    int socket_id;
-  };
-
-  // Start a receive and register a callback.
-  static void StartReceive(const ReceiveParams& params);
-
-  // Called when socket receive data.
-  static void ReceiveCallback(const ReceiveParams& params,
-                              int bytes_read,
-                              scoped_refptr<net::IOBuffer> io_buffer,
-                              const std::string& address,
-                              int port);
-
-  // Post an extension event from IO to UI thread
-  static void PostEvent(const ReceiveParams& params, scoped_ptr<Event> event);
-
-  // Dispatch an extension event on to EventRouter instance on UI thread.
-  static void DispatchEvent(void* browser_context_id,
-                            const std::string& extension_id,
-                            scoped_ptr<Event> event);
-
-  // Usually IO thread (except for unit testing).
-  content::BrowserThread::ID thread_id_;
-  content::BrowserContext* const browser_context_;
-  scoped_refptr<SocketData> sockets_;
-};
-
-}  // namespace api
-}  // namespace extensions
-
-#endif  // CHROME_BROWSER_EXTENSIONS_API_SOCKETS_UDP_UDP_SOCKET_EVENT_DISPATCHER_H_