net: Use operator!= from scoped_ptr to check if |db_| is NULL.

chrome/browser/net/sqlite_persistent_cookie_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_persistent_cookie_store.h"
 
 #include <list>
 #include <map>
 #include <set>
 #include <utility>
@@ skipping 444 matching lines @@
 
   loaded_callback.Run(cookies);
 }
 
 bool SQLitePersistentCookieStore::Backend::InitializeDatabase() {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::DB));
 
   if (initialized_) {
     // Return false if we were previously initialized but the DB has since been
     // closed.
-    return db_.get() ? true : false;
+    return db_ != NULL;
   }
 
   base::Time start = base::Time::Now();
 
   const FilePath dir = path_.DirName();
   if (!file_util::PathExists(dir) && !file_util::CreateDirectory(dir)) {
     return false;
   }
 
   int64 db_size = 0;
@@ skipping 491 matching lines @@
 }
 
 SQLitePersistentCookieStore::~SQLitePersistentCookieStore() {
   if (backend_.get()) {
     backend_->Close();
     // Release our reference, it will probably still have a reference if the
     // background thread has not run Close() yet.
     backend_ = NULL;
   }
 }