[Cleanup] Move all browsertests to use ScopedFeatureList to modify features

chrome/browser/task_manager/task_manager_browsertest.cc

 // Copyright 2016 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 <stddef.h>
 #include <vector>
 
 #include "base/files/file_path.h"
 #include "base/macros.h"
 #include "base/path_service.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/browser_process.h"
 #include "chrome/browser/chrome_notification_types.h"
 #include "chrome/browser/devtools/devtools_window_testing.h"
 #include "chrome/browser/extensions/extension_browsertest.h"
 #include "chrome/browser/extensions/extension_service.h"
 #include "chrome/browser/infobars/infobar_service.h"
 #include "chrome/browser/notifications/notification.h"
 #include "chrome/browser/notifications/notification_test_util.h"
 #include "chrome/browser/notifications/notification_ui_manager.h"
@@ skipping 156 matching lines @@
   DISALLOW_COPY_AND_ASSIGN(TaskManagerUtilityProcessBrowserTest);
 };
 
 class TaskManagerMemoryCoordinatorBrowserTest : public TaskManagerBrowserTest {
  public:
   TaskManagerMemoryCoordinatorBrowserTest() {}
   ~TaskManagerMemoryCoordinatorBrowserTest() override {}
 
  protected:
   void SetUpCommandLine(base::CommandLine* command_line) override {
-    command_line->AppendSwitchASCII(switches::kEnableFeatures,
-                                    features::kMemoryCoordinator.name);
+    scoped_feature_list_.InitAndEnableFeature(features::kMemoryCoordinator);
   }
 
  private:
+  base::test::ScopedFeatureList scoped_feature_list_;
   DISALLOW_COPY_AND_ASSIGN(TaskManagerMemoryCoordinatorBrowserTest);
 };
 
 // Parameterized variant of TaskManagerBrowserTest which runs with/without
 // --site-per-process, which enables out of process iframes (OOPIFs).
 class TaskManagerOOPIFBrowserTest : public TaskManagerBrowserTest,
                                     public testing::WithParamInterface<bool> {
  public:
   TaskManagerOOPIFBrowserTest() {}
 
@@ skipping 964 matching lines @@
 
     // Because the subframes for tab 2 are nested, their order is deterministic.
     EXPECT_EQ("Subframe: http://a.com/",
               base::UTF16ToUTF8(model()->GetRowTitle(tab2_start + 1)));
     EXPECT_EQ("Subframe: http://c.com/",
               base::UTF16ToUTF8(model()->GetRowTitle(tab2_start + 2)));
     EXPECT_EQ("Subframe: http://b.com/",
               base::UTF16ToUTF8(model()->GetRowTitle(tab2_start + 3)));
   }
 }