Revert r223494 "Simplify PPB_NetworkMonitor proxy."

content/browser/renderer_host/pepper/pepper_network_monitor_host.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 CONTENT_BROWSER_RENDERER_HOST_PEPPER_PEPPER_NETWORK_MONITOR_HOST_H_
-#define CONTENT_BROWSER_RENDERER_HOST_PEPPER_PEPPER_NETWORK_MONITOR_HOST_H_
-
-#include "base/compiler_specific.h"
-#include "base/memory/weak_ptr.h"
-#include "content/common/content_export.h"
-#include "net/base/net_util.h"
-#include "net/base/network_change_notifier.h"
-#include "ppapi/host/host_message_context.h"
-#include "ppapi/host/resource_host.h"
-
-namespace content {
-
-class BrowserPpapiHostImpl;
-
-// The host for PPB_NetworkMonitor. This class lives on the IO thread.
-class CONTENT_EXPORT PepperNetworkMonitorHost
-    : public ppapi::host::ResourceHost,
-      public net::NetworkChangeNotifier::IPAddressObserver {
- public:
-  PepperNetworkMonitorHost(
-      BrowserPpapiHostImpl* host,
-      PP_Instance instance,
-      PP_Resource resource);
-
-  virtual ~PepperNetworkMonitorHost();
-
-  // net::NetworkChangeNotifier::IPAddressObserver interface.
-  virtual void OnIPAddressChanged() OVERRIDE;
-
- private:
-  void OnPermissionCheckResult(bool can_use_network_monitor);
-
-  void GetAndSendNetworkList();
-  void SendNetworkList(scoped_ptr<net::NetworkInterfaceList> list);
-
-  ppapi::host::ReplyMessageContext reply_context_;
-
-  base::WeakPtrFactory<PepperNetworkMonitorHost> weak_factory_;
-
-  DISALLOW_COPY_AND_ASSIGN(PepperNetworkMonitorHost);
-};
-
-}  // namespace content
-
-#endif  // CONTENT_BROWSER_RENDERER_HOST_PEPPER_PEPPER_NETWORK_MONITOR_HOST_H_