Add GetUsbKeyCode dev interface for Pepper key events

ppapi/native_client/src/shared/ppapi_proxy/untrusted/srpcgen/ppb_rpc.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.
 //
 // WARNING WARNING WARNING WARNING WARNING WARNING WARNING WARNING WARNING
 //
 // Automatically generated code.  See srpcgen.py
 //
 // NaCl Simple Remote Procedure Call interface abstractions.
 
@@ skipping 634 matching lines @@
       double wheel_ticks_y,
       int32_t scroll_by_page,
       PP_Resource* resource_id);
   static NaClSrpcError PPB_InputEvent_CreateKeyboardInputEvent(
       NaClSrpcChannel* channel,
       PP_Instance instance,
       int32_t type,
       double time_stamp,
       int32_t modifiers,
       int32_t key_code,
+      int32_t usb_scan_code,
       nacl_abi_size_t character_text_bytes, char* character_text,
       PP_Resource* resource_id);
 
  private:
   PpbInputEventRpcClient();
   PpbInputEventRpcClient(const PpbInputEventRpcClient&);
   void operator=(const PpbInputEventRpcClient);
 };  // class PpbInputEventRpcClient
 
 class PpbInstanceRpcClient {
@@ skipping 573 matching lines @@
   PpbZoomRpcClient();
   PpbZoomRpcClient(const PpbZoomRpcClient&);
   void operator=(const PpbZoomRpcClient);
 };  // class PpbZoomRpcClient
 
 
 
 
 #endif  // GEN_PPAPI_PROXY_PPB_RPC_H_