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

chrome/browser/safe_browsing/malware_details_cache.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.
 //
 // Implementation of the MalwareDetails class.
 
 #include "chrome/browser/safe_browsing/malware_details.h"
 
 #include "base/bind.h"
 #include "base/lazy_instance.h"
@@ skipping 13 matching lines @@
 #include "net/url_request/url_request_status.h"
 
 using content::BrowserThread;
 using safe_browsing::ClientMalwareReportRequest;
 
 // Only send small files for now, a better strategy would use the size
 // of the whole report and the user's bandwidth.
 static const uint32 kMaxBodySizeBytes = 1024;
 
 MalwareDetailsCacheCollector::MalwareDetailsCacheCollector()
-    : resources_(NULL),
-      result_(NULL),
-      has_started_(false),
-      current_fetch_(NULL) {
-}
+    : resources_(NULL), result_(NULL), has_started_(false) {}
 
 void MalwareDetailsCacheCollector::StartCacheCollection(
     net::URLRequestContextGetter* request_context_getter,
     safe_browsing::ResourceMap* resources,
     bool* result,
     const base::Closure& callback) {
   // Start the data collection from the HTTP cache. We use a URLFetcher
   // and set the right flags so we only hit the cache.
   DVLOG(1) << "Getting cache data for all urls...";
   request_context_getter_ = request_context_getter;
@@ skipping 152 matching lines @@
       base::Bind(&MalwareDetailsCacheCollector::OpenEntry, this));
 }
 
 void MalwareDetailsCacheCollector::AllDone(bool success) {
   DVLOG(1) << "AllDone";
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
   *result_ = success;
   BrowserThread::PostTask(BrowserThread::IO, FROM_HERE, callback_);
   callback_.Reset();
 }