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

chrome/browser/net/sqlite_server_bound_cert_store.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/net/sqlite_server_bound_cert_store.h"
 
 #include <list>
 #include <set>
 
 #include "base/basictypes.h"
@@ skipping 22 matching lines @@
 using content::BrowserThread;
 
 // This class is designed to be shared between any calling threads and the
 // database thread. It batches operations and commits them on a timer.
 class SQLiteServerBoundCertStore::Backend
     : public base::RefCountedThreadSafe<SQLiteServerBoundCertStore::Backend> {
  public:
   Backend(const base::FilePath& path,
           quota::SpecialStoragePolicy* special_storage_policy)
       : path_(path),
-        db_(NULL),
         num_pending_(0),
         force_keep_session_state_(false),
         special_storage_policy_(special_storage_policy),
-        corruption_detected_(false) {
-  }
+        corruption_detected_(false) {}
 
   // Creates or loads the SQLite database.
   void Load(const LoadedCallback& loaded_callback);
 
   // Batch a server bound cert addition.
   void AddServerBoundCert(
       const net::DefaultServerBoundCertStore::ServerBoundCert& cert);
 
   // Batch a server bound cert deletion.
   void DeleteServerBoundCert(
@@ skipping 577 matching lines @@
 
 void SQLiteServerBoundCertStore::SetForceKeepSessionState() {
   backend_->SetForceKeepSessionState();
 }
 
 SQLiteServerBoundCertStore::~SQLiteServerBoundCertStore() {
   backend_->Close();
   // We release our reference to the Backend, though it will probably still have
   // a reference if the background thread has not run Close() yet.
 }