Migrate more tests to ScopedFeatureList.

chrome/browser/password_manager/password_manager_browsertest.cc

 // Copyright 2013 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 <string>
 #include <utility>
 
 #include "base/command_line.h"
 #include "base/macros.h"
 #include "base/memory/ptr_util.h"
 #include "base/metrics/histogram_samples.h"
 #include "base/metrics/statistics_recorder.h"
 #include "base/path_service.h"
 #include "base/run_loop.h"
 #include "base/stl_util.h"
 #include "base/strings/stringprintf.h"
 #include "base/strings/utf_string_conversions.h"
+#include "base/test/scoped_feature_list.h"
 #include "build/build_config.h"
 #include "chrome/browser/chrome_notification_types.h"
 #include "chrome/browser/password_manager/chrome_password_manager_client.h"
 #include "chrome/browser/password_manager/password_manager_test_base.h"
 #include "chrome/browser/password_manager/password_store_factory.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/browser_navigator_params.h"
 #include "chrome/browser/ui/login/login_handler.h"
 #include "chrome/browser/ui/login/login_handler_test_utils.h"
@@ skipping 1161 matching lines @@
   scoped_refptr<password_manager::TestPasswordStore> password_store =
       static_cast<password_manager::TestPasswordStore*>(
           PasswordStoreFactory::GetForProfile(
               browser()->profile(), ServiceAccessType::IMPLICIT_ACCESS).get());
 
   EXPECT_TRUE(password_store->IsEmpty());
 
   NavigateToFile("/password/password_form.html");
 
   // Add the enable-automatic-password-saving feature.
-  base::FeatureList::ClearInstanceForTesting();
-  std::unique_ptr<base::FeatureList> feature_list(new base::FeatureList);
-  feature_list->InitializeFromCommandLine(
-      password_manager::features::kEnableAutomaticPasswordSaving.name, "");
-  base::FeatureList::SetInstance(std::move(feature_list));
+  base::test::ScopedFeatureList scoped_feature_list;
+  scoped_feature_list.InitAndEnableFeature(
+      password_manager::features::kEnableAutomaticPasswordSaving);
 
   // Fill a form and submit through a <input type="submit"> button.
   NavigationObserver observer(WebContents());
   std::unique_ptr<BubbleObserver> prompt_observer(
       new BubbleObserver(WebContents()));
   // Make sure that the only passwords saved are the auto-saved ones.
   std::string fill_and_submit =
       "document.getElementById('username_field').value = 'temp';"
       "document.getElementById('password_field').value = 'random';"
       "document.getElementById('input_submit_button').click()";
@@ skipping 1864 matching lines @@
   // about all frames, not just the main one. The factories should receive
   // messages for non-main frames, in particular
   // AutofillHostMsg_PasswordFormsParsed. If that were the first time the
   // factories hear about such frames, this would crash.
   tab_strip_model->AddWebContents(detached_web_contents.release(), -1,
                                   ::ui::PAGE_TRANSITION_AUTO_TOPLEVEL,
                                   TabStripModel::ADD_ACTIVE);
 }
 
 }  // namespace password_manager