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

chrome/browser/chromeos/login/existing_user_controller_browsertest.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 <vector>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/callback.h"
 #include "base/command_line.h"
@@ skipping 65 matching lines @@
 ACTION_P2(CreateAuthenticator, username, password) {
   return new MockAuthenticator(arg0, username, password);
 }
 
 }  // namespace
 
 class ExistingUserControllerTest : public policy::DevicePolicyCrosBrowserTest,
                                    public testing::WithParamInterface<bool> {
  protected:
   ExistingUserControllerTest()
-     :  mock_login_display_(NULL),
-        mock_user_manager_(NULL),
-        testing_profile_(NULL) {
-  }
+      : mock_login_display_(NULL), mock_user_manager_(NULL) {}
 
   ExistingUserController* existing_user_controller() {
     return ExistingUserController::current_controller();
   }
 
   const ExistingUserController* existing_user_controller() const {
     return ExistingUserController::current_controller();
   }
 
   virtual void SetUpInProcessBrowserTestFixture() OVERRIDE {
@@ skipping 587 matching lines @@
 
 INSTANTIATE_TEST_CASE_P(ExistingUserControllerTestInstantiation,
                         ExistingUserControllerTest,
                         testing::Bool());
 
 INSTANTIATE_TEST_CASE_P(ExistingUserControllerPublicSessionTestInstantiation,
                         ExistingUserControllerPublicSessionTest,
                         testing::Bool());
 
 }  // namespace chromeos