ppapi: Remove use of ALLOW_THIS_IN_INITIALIZER_LIST.

ppapi/shared_impl/resource_tracker.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/shared_impl/resource_tracker.h"
 
 #include "base/bind.h"
 #include "base/compiler_specific.h"
 #include "base/message_loop.h"
 #include "ppapi/shared_impl/callback_tracker.h"
 #include "ppapi/shared_impl/id_assignment.h"
 #include "ppapi/shared_impl/ppapi_globals.h"
 #include "ppapi/shared_impl/proxy_lock.h"
 #include "ppapi/shared_impl/resource.h"
 
 namespace ppapi {
 
 ResourceTracker::ResourceTracker(ThreadMode thread_mode)
     : last_resource_value_(0),
-      ALLOW_THIS_IN_INITIALIZER_LIST(weak_ptr_factory_(this)) {
+      weak_ptr_factory_(this) {
   if (thread_mode == SINGLE_THREADED)
     thread_checker_.reset(new base::ThreadChecker);
 }
 
 ResourceTracker::~ResourceTracker() {
 }
 
 void ResourceTracker::CheckThreadingPreconditions() const {
   DCHECK(!thread_checker_ || thread_checker_->CalledOnValidThread());
 #ifndef NDEBUG
@@ skipping 192 matching lines @@
   CHECK(object->pp_instance() || is_message_loop);
   CallbackTracker* callback_tracker =
       PpapiGlobals::Get()->GetCallbackTrackerForInstance(object->pp_instance());
   CHECK(callback_tracker || is_message_loop);
   if (callback_tracker)
     callback_tracker->PostAbortForResource(object->pp_resource());
   object->NotifyLastPluginRefWasDeleted();
 }
 
 }  // namespace ppapi