Remove PP_Module from parameters for PPB_Var.VarFromUtf8.

ppapi/proxy/ppb_var_proxy.h

-// Copyright (c) 2011 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_PPB_VAR_PROXY_H_
-#define PPAPI_PPB_VAR_PROXY_H_
-
-#include "ppapi/proxy/ppapi_proxy_export.h"
-#include "ppapi/proxy/interface_proxy.h"
-
-struct PPB_Var;
-
-namespace ppapi {
-namespace proxy {
-
-// Returns a pointer to the plugin-specific implementation of PPB_Var.
-// There is no proxy object since this is implemented entirely in-process.
-PPAPI_PROXY_EXPORT const PPB_Var* GetPPB_Var_Interface();
-
-}  // namespace proxy
-}  // namespace ppapi
-
-#endif  // PPAPI_PPB_VAR_PROXY_H_