Delete FunctionGroupBase from Pepper.

ppapi/proxy/ppb_file_system_proxy.cc

 // 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.
 
 #include "ppapi/proxy/ppb_file_system_proxy.h"
 
 #include "base/bind.h"
 #include "base/message_loop.h"
 #include "ppapi/c/pp_errors.h"
 #include "ppapi/c/ppb_file_system.h"
 #include "ppapi/proxy/enter_proxy.h"
 #include "ppapi/proxy/host_dispatcher.h"
 #include "ppapi/proxy/plugin_dispatcher.h"
 #include "ppapi/proxy/ppapi_messages.h"
 #include "ppapi/proxy/serialized_var.h"
 #include "ppapi/shared_impl/tracked_callback.h"
 #include "ppapi/thunk/enter.h"
 #include "ppapi/thunk/ppb_file_system_api.h"
 #include "ppapi/thunk/resource_creation_api.h"
 #include "ppapi/thunk/thunk.h"
 
-using ppapi::thunk::EnterFunctionNoLock;
 using ppapi::thunk::PPB_FileSystem_API;
 using ppapi::thunk::ResourceCreationAPI;
 
 namespace ppapi {
 namespace proxy {
 
 namespace {
 
 InterfaceProxy* CreateFileSystemProxy(Dispatcher* dispatcher) {
   return new PPB_FileSystem_Proxy(dispatcher);
@@ skipping 143 matching lines @@
 
 void PPB_FileSystem_Proxy::OpenCompleteInHost(
     int32_t result,
     const HostResource& host_resource) {
   dispatcher()->Send(new PpapiMsg_PPBFileSystem_OpenComplete(
       API_ID_PPB_FILE_SYSTEM, host_resource, result));
 }
 
 }  // namespace proxy
 }  // namespace ppapi