ppapi: Remove use of ALLOW_THIS_IN_INITIALIZER_LIST.

ppapi/proxy/ppb_instance_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_instance_proxy.h"
 
 #include "base/memory/ref_counted.h"
 #include "build/build_config.h"
 #include "ppapi/c/pp_errors.h"
 #include "ppapi/c/pp_time.h"
@@ skipping 66 matching lines @@
     return;
   proxy->OnMessageReceived(PpapiMsg_PPPTextInput_RequestSurroundingText(
       API_ID_PPP_TEXT_INPUT, instance,
       PPB_Instance_Shared::kExtraCharsForTextInput));
 }
 
 }  // namespace
 
 PPB_Instance_Proxy::PPB_Instance_Proxy(Dispatcher* dispatcher)
     : InterfaceProxy(dispatcher),
-      callback_factory_(ALLOW_THIS_IN_INITIALIZER_LIST(this)) {
+      callback_factory_(this) {
 }
 
 PPB_Instance_Proxy::~PPB_Instance_Proxy() {
 }
 
 // static
 const InterfaceProxy::Info* PPB_Instance_Proxy::GetInfoPrivate() {
   static const Info info = {
     ppapi::thunk::GetPPB_Instance_Private_0_1_Thunk(),
     PPB_INSTANCE_PRIVATE_INTERFACE_0_1,
@@ skipping 1144 matching lines @@
     PP_Instance instance) {
   InstanceData* data = static_cast<PluginDispatcher*>(dispatcher())->
       GetInstanceData(instance);
   if (!data)
     return;  // Instance was probably deleted.
   data->should_do_request_surrounding_text = false;
 }
 
 }  // namespace proxy
 }  // namespace ppapi