Add the suggestions UI in chrome

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 35 matching lines @@
 NSString* const kToolsMenuBookmarksId = @"kToolsMenuBookmarksId";
 NSString* const kToolsMenuReadingListId = @"kToolsMenuReadingListId";
 NSString* const kToolsMenuOtherDevicesId = @"kToolsMenuOtherDevicesId";
 NSString* const kToolsMenuHistoryId = @"kToolsMenuHistoryId";
 NSString* const kToolsMenuReportAnIssueId = @"kToolsMenuReportAnIssueId";
 NSString* const kToolsMenuFindInPageId = @"kToolsMenuFindInPageId";
 NSString* const kToolsMenuReaderMode = @"kToolsMenuReaderMode";
 NSString* const kToolsMenuRequestDesktopId = @"kToolsMenuRequestDesktopId";
 NSString* const kToolsMenuSettingsId = @"kToolsMenuSettingsId";
 NSString* const kToolsMenuHelpId = @"kToolsMenuHelpId";
+NSString* const kToolsMenuSuggestionsUIId = @"kToolsMenuSuggestionsUIId";
 
 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 47 matching lines @@
   { IDS_IOS_TOOLS_MENU_CLOSE_ALL_INCOGNITO_TABS,
     kToolsMenuCloseAllIncognitoTabsId,
     IDC_CLOSE_ALL_INCOGNITO_TABS,         kToolbarTypeSwitcheriPhone,
     kVisibleIncognitoOnly,                nil },
   { IDS_IOS_TOOLS_MENU_BOOKMARKS,         kToolsMenuBookmarksId,
     IDC_SHOW_BOOKMARK_MANAGER,            kToolbarTypeWebAll,
     0,                                    nil },
   { IDS_IOS_TOOLS_MENU_READING_LIST,      kToolsMenuReadingListId,
     IDC_SHOW_READING_LIST,                kToolbarTypeWebAll,
     0,                                    [ReadingListMenuViewItem class] },
+  { IDS_IOS_TOOLS_MENU_SUGGESTIONS_UI,    kToolsMenuSuggestionsUIId,
+    IDC_SHOW_SUGGESTIONS_UI,              kToolbarTypeWebAll,
+    0,                                    nil },
   { IDS_IOS_TOOLS_MENU_RECENT_TABS,       kToolsMenuOtherDevicesId,
     IDC_SHOW_OTHER_DEVICES,               kToolbarTypeWebAll,
     kVisibleNotIncognitoOnly,             nil },
   { IDS_HISTORY_SHOW_HISTORY,             kToolsMenuHistoryId,
     IDC_SHOW_HISTORY,                     kToolbarTypeWebAll,
     0,                                    nil },
   { IDS_IOS_OPTIONS_REPORT_AN_ISSUE,      kToolsMenuReportAnIssueId,
     IDC_REPORT_AN_ISSUE,                  kToolbarTypeAll,
     0,                                    nil },
   { IDS_IOS_TOOLS_MENU_FIND_IN_PAGE,      kToolsMenuFindInPageId,
@@ skipping 37 matching lines @@
       return NO;
     }
   }
 
   if (item.title_id == IDS_IOS_TOOLS_MENU_READING_LIST) {
     if (!reading_list::switches::IsReadingListEnabled()) {
       return NO;
     }
   }
 
+  if (item.title_id == IDS_IOS_TOOLS_MENU_SUGGESTIONS_UI) {
+    if (!experimental_flags::IsSuggestionsUIEnabled()) {

[marq (ping after 24h), 2017/01/19 16:32:32]

Do you need experimental flag checks both here and in the BVC? It's more code to
remove when the experiment concludes.

[gambard, 2017/01/19 17:50:12]

I used the same pattern as reading list

+      return NO;
+    }
+  }
+
   if (item.title_id == IDS_IOS_OPTIONS_REPORT_AN_ISSUE) {
     if (!ios::GetChromeBrowserProvider()
              ->GetUserFeedbackProvider()
              ->IsUserFeedbackEnabled()) {
       return NO;
     }
   }
 
   return YES;
 }
@@ skipping 750 matching lines @@
 
 - (void)unreadCountChanged:(NSInteger)unreadCount {
   [[self readingListCell] updateBadgeCount:unreadCount animated:YES];
 }
 
 - (void)unseenStateChanged:(BOOL)unseenItemsExist {
   [[self readingListCell] updateSeenState:unseenItemsExist animated:YES];
 }
 
 @end