Removing iPad Tab Switcher experimental flag.

ios/chrome/browser/ui/tools_menu/tools_menu_view_controller.mm

 // Copyright 2014 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.
 
 #import "ios/chrome/browser/ui/tools_menu/tools_menu_view_controller.h"
 
 #include <stdint.h>
 
 #include "base/ios/ios_util.h"
 #import "base/ios/weak_nsobject.h"
@@ skipping 145 matching lines @@
   if (!(item.toolbar_types & toolbarType))
     return NO;
 
   if (incognito && (item.visibility & kVisibleNotIncognitoOnly))
     return NO;
 
   if (!incognito && (item.visibility & kVisibleIncognitoOnly))
     return NO;
 
   if (item.title_id == IDS_IOS_TOOLBAR_SHOW_TABS) {
-    if (!IsIPadIdiom() || !experimental_flags::IsTabSwitcherEnabled()) {
+    if (!IsIPadIdiom()) {
       return NO;
     }
   }
 
   if (item.title_id == IDS_IOS_TOOLS_MENU_READER_MODE) {
     if (!experimental_flags::IsReaderModeEnabled()) {
       return NO;
     }
   }
 
@@ skipping 570 matching lines @@
 
 - (void)unreadCountChanged:(NSInteger)unreadCount {
   [[self readingListCell] updateBadgeCount:unreadCount animated:YES];
 }
 
 - (void)unseenStateChanged:(BOOL)unseenItemsExist {
   [[self readingListCell] updateSeenState:unseenItemsExist animated:YES];
 }
 
 @end