Add the suggestions UI in chrome

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

Index: ios/chrome/browser/ui/tools_menu/tools_menu_view_controller.mm
diff --git a/ios/chrome/browser/ui/tools_menu/tools_menu_view_controller.mm b/ios/chrome/browser/ui/tools_menu/tools_menu_view_controller.mm
index 84adea1713b824939d1baac28267bf0f4fbb3371..3cfd1f6d9755d6f669bd70d7728142dcfe1a987b 100644
--- a/ios/chrome/browser/ui/tools_menu/tools_menu_view_controller.mm
+++ b/ios/chrome/browser/ui/tools_menu/tools_menu_view_controller.mm
@@ -53,6 +53,7 @@ NSString* const kToolsMenuReaderMode = @"kToolsMenuReaderMode";
 NSString* const kToolsMenuRequestDesktopId = @"kToolsMenuRequestDesktopId";
 NSString* const kToolsMenuSettingsId = @"kToolsMenuSettingsId";
 NSString* const kToolsMenuHelpId = @"kToolsMenuHelpId";
+NSString* const kToolsMenuSuggestionsUIId = @"kToolsMenuSuggestionsUIId";
 
 namespace {
 
@@ -120,6 +121,9 @@ static MenuItemInfo itemInfoList[] = {
   { 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 },
@@ -177,6 +181,12 @@ NS_INLINE BOOL ItemShouldBeVisible(const MenuItemInfo& item,
     }
   }
 
+  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()