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,
+      const ppapi::host::HostMessageContext& context);
+
+  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_