Simplify PPB_NetworkMonitor proxy.

ppapi/thunk/ppb_network_list_api.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 PPAPI_THUNK_PPB_NETWORK_LIST_API_H_
 #define PPAPI_THUNK_PPB_NETWORK_LIST_API_H_
 
 #include <vector>
 
 #include "ppapi/c/private/ppb_network_list_private.h"
 #include "ppapi/thunk/ppapi_thunk_export.h"
 
 namespace ppapi {
-
-struct NetworkInfo;
-typedef std::vector<NetworkInfo> NetworkList;
-
 namespace thunk {
 
 class PPAPI_THUNK_EXPORT PPB_NetworkList_API {
  public:
   virtual ~PPB_NetworkList_API() {}
 
-  // This function is not exposed through the C API, but returns the
-  // internal data for easy proxying.
-  virtual const NetworkList& GetNetworkListData() const = 0;
-
   // Private API
   virtual uint32_t GetCount() = 0;
   virtual PP_Var GetName(uint32_t index) = 0;
   virtual PP_NetworkListType_Private GetType(uint32_t index) = 0;
   virtual PP_NetworkListState_Private GetState(uint32_t index) = 0;
   virtual int32_t GetIpAddresses(uint32_t index,
                                  const PP_ArrayOutput& output) = 0;
   virtual PP_Var GetDisplayName(uint32_t index) = 0;
   virtual uint32_t GetMTU(uint32_t index) = 0;
 };
 
 }  // namespace thunk
 }  // namespace ppapi
 
 #endif  // PPAPI_THUNK_PPB_NETWORK_LIST_API_H_