Implement request mobile site.

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 19 matching lines @@
 #import "ios/chrome/browser/ui/uikit_ui_util.h"
 #import "ios/chrome/common/material_timing.h"
 #include "ios/chrome/grit/ios_strings.h"
 #include "ios/public/provider/chrome/browser/chrome_browser_provider.h"
 #import "ios/public/provider/chrome/browser/user_feedback/user_feedback_provider.h"
 #import "ios/third_party/material_components_ios/src/components/Ink/src/MaterialInk.h"
 #include "ios/web/public/user_agent.h"
 #include "ui/base/l10n/l10n_util.h"
 #include "ui/base/l10n/l10n_util_mac.h"
 
-// TODO(crbug.com/678047) Remove this switch when request mobile site
-// functionality is implemented.
-#define HIDE_REQUEST_MOBILE_SITE_CELL
-
 using ios::material::TimingFunction;
 
 namespace {
 
 // Time for ink to fade into view.
 static const NSTimeInterval kMDCInkTouchDelayInterval = 0.15;
 
 static const CGFloat kMenuItemHeight = 48;
 
 static NSString* const kToolsItemCellID = @"ToolsItemCellID";
@@ skipping 212 matching lines @@
   // "Request Desktop Site" and "Request Mobile Site".
   switch (configuration.userAgentType) {
     case web::UserAgentType::NONE:
       [self setItemEnabled:NO withTag:IDC_REQUEST_DESKTOP_SITE];
       break;
     case web::UserAgentType::MOBILE:
       [self setItemEnabled:YES withTag:IDC_REQUEST_DESKTOP_SITE];
       break;
     case web::UserAgentType::DESKTOP:
       [self setItemEnabled:YES withTag:IDC_REQUEST_MOBILE_SITE];
-
-// TODO(crbug.com/678047) Remove this switch when request mobile site
-// functionality is implemented.
-#ifdef HIDE_REQUEST_MOBILE_SITE_CELL
-      [self setItemEnabled:NO withTag:IDC_REQUEST_DESKTOP_SITE];
-#endif
       break;
   }
 
   // Disable IDC_CLOSE_ALL_TABS menu item if on phone with no tabs.
   if (!IsIPadIdiom()) {
     [self setItemEnabled:!configuration.hasNoOpenedTabs
                  withTag:IDC_CLOSE_ALL_TABS];
   }
 }
 
@@ skipping 327 matching lines @@
 
 - (void)unreadCountChanged:(NSInteger)unreadCount {
   [[self readingListCell] updateBadgeCount:unreadCount animated:YES];
 }
 
 - (void)unseenStateChanged:(BOOL)unseenItemsExist {
   [[self readingListCell] updateSeenState:unseenItemsExist animated:YES];
 }
 
 @end