Remove --ash-disable-overview-mode

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 <algorithm>
 #include <iterator>
 #include <map>
 #include <set>
@@ skipping 1050 matching lines @@
 #endif
 #if defined(USE_ASH)
   {
     "disable-minimize-on-second-launcher-item-click",
     IDS_FLAGS_DISABLE_MINIMIZE_ON_SECOND_LAUNCHER_ITEM_CLICK_NAME,
     IDS_FLAGS_DISABLE_MINIMIZE_ON_SECOND_LAUNCHER_ITEM_CLICK_DESCRIPTION,
     kOsAll,
     SINGLE_VALUE_TYPE(switches::kDisableMinimizeOnSecondLauncherItemClick)
   },
   {
-    "disable-overview-mode",
-    IDS_FLAGS_DISABLE_OVERVIEW_MODE_NAME,
-    IDS_FLAGS_DISABLE_OVERVIEW_MODE_DESCRIPTION,
-    kOsCrOS,
-    SINGLE_VALUE_TYPE(ash::switches::kAshDisableOverviewMode)
-  },
-  {
     "overview-delay-on-alt-tab",
     IDS_FLAGS_OVERVIEW_DELAY_NAME,
     IDS_FLAGS_OVERVIEW_DELAY_DESCRIPTION,
     kOsCrOS,
     MULTI_VALUE_TYPE(kAshOverviewDelayChoices)
   },
   {
     "show-touch-hud",
     IDS_FLAGS_SHOW_TOUCH_HUD_NAME,
     IDS_FLAGS_SHOW_TOUCH_HUD_DESCRIPTION,
@@ skipping 1374 matching lines @@
 }
 
 const Experiment* GetExperiments(size_t* count) {
   *count = num_experiments;
   return experiments;
 }
 
 }  // namespace testing
 
 }  // namespace about_flags