HostResolver is exposed to plugin.

webkit/plugins/ppapi/mock_plugin_delegate.h

 // Copyright (c) 2012 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 WEBKIT_PLUGINS_PPAPI_MOCK_PLUGIN_DELEGATE_H_
 #define WEBKIT_PLUGINS_PPAPI_MOCK_PLUGIN_DELEGATE_H_
 
 #include "webkit/plugins/ppapi/plugin_delegate.h"
 
 struct PP_NetAddress_Private;
@@ skipping 124 matching lines @@
                                const std::string& buffer,
                                const PP_NetAddress_Private& addr);
   virtual void UDPSocketClose(uint32 socket_id);
   virtual void TCPServerSocketListen(PPB_TCPServerSocket_Private_Impl* socket,
                                      uint32 temp_socket_id,
                                      const PP_NetAddress_Private& addr,
                                      int32_t backlog);
   virtual void TCPServerSocketAccept(uint32 real_socket_id);
   virtual void TCPServerSocketStopListening(uint32 real_socket_id,
                                             uint32 temp_socket_id);
-
+  virtual void RegisterHostResolver(
+      ::ppapi::PPB_HostResolver_Shared* host_resolver,
+      uint32 host_resolver_id);
+  virtual void HostResolverResolve(
+      uint32 host_resolver_id,
+      const ::ppapi::HostPortPair& host_port,
+      const PP_HostResolver_Private_Hint* hint);
+  virtual void UnregisterHostResolver(uint32 host_resolver_id);
   // Add/remove a network list observer.
   virtual bool AddNetworkListObserver(
       webkit_glue::NetworkListObserver* observer) OVERRIDE;
   virtual void RemoveNetworkListObserver(
       webkit_glue::NetworkListObserver* observer) OVERRIDE;
-
   virtual int32_t ShowContextMenu(
       PluginInstance* instance,
       webkit::ppapi::PPB_Flash_Menu_Impl* menu,
       const gfx::Point& position);
   virtual FullscreenContainer* CreateFullscreenContainer(
       PluginInstance* instance);
   virtual gfx::Size GetScreenSize();
   virtual std::string GetDefaultEncoding();
   virtual void ZoomLimitsChanged(double minimum_factor,
                                  double maximum_factor);
@@ skipping 18 matching lines @@
   virtual bool IsPageVisible() const;
   virtual int EnumerateDevices(PP_DeviceType_Dev type,
                                const EnumerateDevicesCallback& callback);
   virtual webkit_glue::ClipboardClient* CreateClipboardClient() const;
 };
 
 }  // namespace ppapi
 }  // namespace webkit
 
 #endif  // WEBKIT_PLUGINS_PPAPI_MOCK_PLUGIN_DELEGATE_H_