ppapi: Remove use of ALLOW_THIS_IN_INITIALIZER_LIST.

ppapi/proxy/ppb_video_decoder_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_video_decoder_proxy.h"
 
 #include "base/logging.h"
 #include "gpu/command_buffer/client/gles2_implementation.h"
 #include "ppapi/proxy/enter_proxy.h"
 #include "ppapi/proxy/plugin_dispatcher.h"
@@ skipping 132 matching lines @@
   RunFlushCallback(result);
 }
 
 void VideoDecoder::EndOfBitstreamACK(
     int32_t bitstream_buffer_id, int32_t result) {
   RunBitstreamBufferCallback(bitstream_buffer_id, result);
 }
 
 PPB_VideoDecoder_Proxy::PPB_VideoDecoder_Proxy(Dispatcher* dispatcher)
     : InterfaceProxy(dispatcher),
-      callback_factory_(ALLOW_THIS_IN_INITIALIZER_LIST(this)) {
+      callback_factory_(this) {
 }
 
 PPB_VideoDecoder_Proxy::~PPB_VideoDecoder_Proxy() {
 }
 
 bool PPB_VideoDecoder_Proxy::OnMessageReceived(const IPC::Message& msg) {
   if (!dispatcher()->permissions().HasPermission(PERMISSION_DEV))
     return false;
 
   bool handled = true;
@@ skipping 147 matching lines @@
 
 void PPB_VideoDecoder_Proxy::OnMsgResetACK(
     const HostResource& decoder, int32_t result) {
   EnterPluginFromHostResource<PPB_VideoDecoder_API> enter(decoder);
   if (enter.succeeded())
     static_cast<VideoDecoder*>(enter.object())->ResetACK(result);
 }
 
 }  // namespace proxy
 }  // namespace ppapi