Rewrite scoped_ptr<T>(NULL) to use the default ctor in chrome/.

chrome/browser/extensions/extension_sync_bundle.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 "chrome/browser/extensions/extension_sync_bundle.h"
 
 #include "base/location.h"
 #include "chrome/browser/extensions/extension_service.h"
 #include "chrome/browser/extensions/extension_sorting.h"
 #include "chrome/common/extensions/extension.h"
 #include "chrome/common/extensions/extension_set.h"
 #include "chrome/common/extensions/sync_helper.h"
 #include "sync/api/sync_change_processor.h"
 #include "sync/api/sync_error_factory.h"
 
 namespace extensions {
 
 ExtensionSyncBundle::ExtensionSyncBundle(ExtensionService* extension_service)
-    : extension_service_(extension_service), sync_processor_(NULL) {}
+    : extension_service_(extension_service) {}
 
 ExtensionSyncBundle::~ExtensionSyncBundle() {}
 
 void ExtensionSyncBundle::SetupSync(
     syncer::SyncChangeProcessor* sync_processor,
     syncer::SyncErrorFactory* sync_error_factory,
     const syncer::SyncDataList& initial_sync_data) {
   sync_processor_.reset(sync_processor);
   sync_error_factory_.reset(sync_error_factory);
 
@@ skipping 133 matching lines @@
 void ExtensionSyncBundle::RemoveExtension(const std::string& id) {
   synced_extensions_.erase(id);
 }
 
 void ExtensionSyncBundle::MarkPendingExtensionSynced(const std::string& id) {
   pending_sync_data_.erase(id);
   synced_extensions_.insert(id);
 }
 
 }  // namespace extensions