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

chrome/browser/ui/website_settings/website_settings_unittest.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/ui/website_settings/website_settings.h"
 
 #include "base/at_exit.h"
 #include "base/message_loop.h"
 #include "base/strings/string16.h"
 #include "base/strings/utf_string_conversions.h"
@@ skipping 56 matching lines @@
   MOCK_METHOD1(SetCookieInfo, void(const CookieInfoList& cookie_info_list));
   MOCK_METHOD1(SetPermissionInfo,
                void(const PermissionInfoList& permission_info_list));
   MOCK_METHOD1(SetIdentityInfo, void(const IdentityInfo& identity_info));
   MOCK_METHOD1(SetFirstVisit, void(const string16& first_visit));
   MOCK_METHOD1(SetSelectedTab, void(TabId tab_id));
 };
 
 class WebsiteSettingsTest : public ChromeRenderViewHostTestHarness {
  public:
-  WebsiteSettingsTest()
-      : website_settings_(NULL),
-        mock_ui_(NULL),
-        cert_id_(0),
-        url_("http://www.example.com") {
-  }
+  WebsiteSettingsTest() : cert_id_(0), url_("http://www.example.com") {}
 
   virtual ~WebsiteSettingsTest() {
   }
 
   virtual void SetUp() {
     ChromeRenderViewHostTestHarness::SetUp();
     // Setup stub SSLStatus.
     ssl_.security_style = content::SECURITY_STYLE_UNAUTHENTICATED;
 
     // Create the certificate.
@@ skipping 302 matching lines @@
       CONTENT_SETTINGS_TYPE_GEOLOCATION, CONTENT_SETTING_ALLOW);
   website_settings()->OnUIClosing();
   EXPECT_EQ(1u, infobar_service()->infobar_count());
 
   // Removing an |InfoBarDelegate| from the |InfoBarService| does not delete
   // it. Hence the |delegate| must be cleaned up after it was removed from the
   // |infobar_service|.
   scoped_ptr<InfoBarDelegate> delegate(infobar_service()->infobar_at(0));
   infobar_service()->RemoveInfoBar(delegate.get());
 }