Change the new-task-manager flag so that the new implementation is enabled by default for all users.

chrome/browser/about_flags.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/about_flags.h"
 
 #include <iterator>
 #include <map>
 #include <set>
 #include <utility>
@@ skipping 2072 matching lines @@
      kOsWin | kOsMac,
      SINGLE_VALUE_TYPE(switches::kEnableTabDiscarding)},
 #endif
     {"enable-clear-browsing-data-counters",
      IDS_FLAGS_ENABLE_CLEAR_BROWSING_DATA_COUNTERS_NAME,
      IDS_FLAGS_ENABLE_CLEAR_BROWSING_DATA_COUNTERS_DESCRIPTION,
      kOsAll,
      SINGLE_VALUE_TYPE(switches::kEnableClearBrowsingDataCounters)
     },
 #if defined(ENABLE_TASK_MANAGER)
-    {"enable-new-task-manager",
-     IDS_FLAGS_ENABLE_NEW_TASK_MANAGER_NAME,
-     IDS_FLAGS_ENABLE_NEW_TASK_MANAGER_DESCRIPTION,
+    {"disable-new-task-manager",
+     IDS_FLAGS_DISABLE_NEW_TASK_MANAGER_NAME,
+     IDS_FLAGS_DISABLE_NEW_TASK_MANAGER_DESCRIPTION,
      kOsDesktop,
-     SINGLE_VALUE_TYPE(switches::kEnableNewTaskManager)
+     SINGLE_VALUE_TYPE(switches::kDisableNewTaskManager)
     },
 #endif  // defined(ENABLE_TASK_MANAGER)
     {"simplified-fullscreen-ui",
      IDS_FLAGS_SIMPLIFIED_FULLSCREEN_UI_NAME,
      IDS_FLAGS_SIMPLIFIED_FULLSCREEN_UI_DESCRIPTION,
      kOsDesktop,
      ENABLE_DISABLE_VALUE_TYPE(switches::kEnableSimplifiedFullscreenUI,
                                switches::kDisableSimplifiedFullscreenUI)
     },
 #if defined(OS_ANDROID)
@@ skipping 670 matching lines @@
 }
 
 const Experiment* GetExperiments(size_t* count) {
   *count = num_experiments;
   return experiments;
 }
 
 }  // namespace testing
 
 }  // namespace about_flags