[SyncFS] Use nullptr instead of NULL

chrome/browser/sync_file_system/local/local_file_sync_service.cc

 // Copyright 2013 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 "chrome/browser/sync_file_system/local/local_file_sync_service.h"
 
 #include "base/single_thread_task_runner.h"
 #include "base/stl_util.h"
 #include "base/thread_task_runner_handle.h"
 #include "chrome/browser/extensions/extension_util.h"
@@ skipping 89 matching lines @@
   if (enabled)
     disabled_origins_.erase(origin);
   else
     disabled_origins_.insert(origin);
 }
 
 // LocalFileSyncService -------------------------------------------------------
 
 scoped_ptr<LocalFileSyncService> LocalFileSyncService::Create(
     Profile* profile) {
-  return make_scoped_ptr(new LocalFileSyncService(profile, NULL));
+  return make_scoped_ptr(new LocalFileSyncService(profile, nullptr));
 }
 
 scoped_ptr<LocalFileSyncService> LocalFileSyncService::CreateForTesting(
     Profile* profile,
     leveldb::Env* env) {
   scoped_ptr<LocalFileSyncService> sync_service(
       new LocalFileSyncService(profile, env));
   sync_service->sync_context_->set_mock_notify_changes_duration_in_sec(0);
   return sync_service.Pass();
 }
 
 LocalFileSyncService::~LocalFileSyncService() {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 }
 
 void LocalFileSyncService::Shutdown() {
   sync_context_->RemoveOriginChangeObserver(this);
   sync_context_->ShutdownOnUIThread();
-  profile_ = NULL;
+  profile_ = nullptr;
 }
 
 void LocalFileSyncService::MaybeInitializeFileSystemContext(
     const GURL& app_origin,
     storage::FileSystemContext* file_system_context,
     const SyncStatusCallback& callback) {
   sync_context_->MaybeInitializeFileSystemContext(
       app_origin, file_system_context,
       base::Bind(&LocalFileSyncService::DidInitializeFileSystemContext,
                  AsWeakPtr(), app_origin,
@@ skipping 203 matching lines @@
 
 LocalFileSyncService::LocalFileSyncService(Profile* profile,
                                            leveldb::Env* env_override)
     : profile_(profile),
       sync_context_(new LocalFileSyncContext(
           profile_->GetPath(),
           env_override,
           BrowserThread::GetMessageLoopProxyForThread(BrowserThread::UI).get(),
           BrowserThread::GetMessageLoopProxyForThread(BrowserThread::IO)
               .get())),
-      local_change_processor_(NULL) {
+      local_change_processor_(nullptr) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
   sync_context_->AddOriginChangeObserver(this);
 }
 
 void LocalFileSyncService::DidInitializeFileSystemContext(
     const GURL& app_origin,
     storage::FileSystemContext* file_system_context,
     const SyncStatusCallback& callback,
     SyncStatusCode status) {
   if (status != SYNC_STATUS_OK) {
@@ skipping 139 matching lines @@
 
 LocalChangeProcessor* LocalFileSyncService::GetLocalChangeProcessor(
     const FileSystemURL& url) {
   if (!get_local_change_processor_.is_null())
     return get_local_change_processor_.Run(url.origin());
   DCHECK(local_change_processor_);
   return local_change_processor_;
 }
 
 }  // namespace sync_file_system