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

chrome/browser/extensions/external_provider_impl.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/external_provider_impl.h"
 
 #include <set>
 #include <vector>
 
 #include "base/command_line.h"
@@ skipping 45 matching lines @@
 
 // Constants for keeping track of extension preferences in a dictionary.
 const char ExternalProviderImpl::kExternalCrx[] = "external_crx";
 const char ExternalProviderImpl::kExternalVersion[] = "external_version";
 const char ExternalProviderImpl::kExternalUpdateUrl[] = "external_update_url";
 const char ExternalProviderImpl::kSupportedLocales[] = "supported_locales";
 const char ExternalProviderImpl::kIsBookmarkApp[] = "is_bookmark_app";
 const char ExternalProviderImpl::kIsFromWebstore[] = "is_from_webstore";
 const char ExternalProviderImpl::kKeepIfPresent[] = "keep_if_present";
 
-ExternalProviderImpl::ExternalProviderImpl(
-    VisitorInterface* service,
-    ExternalLoader* loader,
-    Profile* profile,
-    Manifest::Location crx_location,
-    Manifest::Location download_location,
-    int creation_flags)
-  : crx_location_(crx_location),
-    download_location_(download_location),
-    service_(service),
-    prefs_(NULL),
-    ready_(false),
-    loader_(loader),
-    profile_(profile),
-    creation_flags_(creation_flags),
-    auto_acknowledge_(false) {
+ExternalProviderImpl::ExternalProviderImpl(VisitorInterface* service,
+                                           ExternalLoader* loader,
+                                           Profile* profile,
+                                           Manifest::Location crx_location,
+                                           Manifest::Location download_location,
+                                           int creation_flags)
+    : crx_location_(crx_location),
+      download_location_(download_location),
+      service_(service),
+      ready_(false),
+      loader_(loader),
+      profile_(profile),
+      creation_flags_(creation_flags),
+      auto_acknowledge_(false) {
   loader_->Init(this);
 }
 
 ExternalProviderImpl::~ExternalProviderImpl() {
   CHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
   loader_->OwnerShutdown();
 }
 
 void ExternalProviderImpl::VisitRegisteredExtension() {
   // The loader will call back to SetPrefs.
@@ skipping 398 matching lines @@
         new ExternalProviderImpl(
             service,
             new ExternalComponentLoader(),
             profile,
             Manifest::INVALID_LOCATION,
             Manifest::EXTERNAL_POLICY_DOWNLOAD,
             Extension::FROM_WEBSTORE | Extension::WAS_INSTALLED_BY_DEFAULT)));
 }
 
 }  // namespace extensions