[ios clean] Add placeholder for NTP bookmarks, chrome home and open tabs.

ios/clean/chrome/browser/ui/tab/BUILD.gn

 # Copyright 2016 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.
 
 source_set("tab") {
   sources = [
     "tab_coordinator.h",
     "tab_coordinator.mm",
   ]
 
   configs += [ "//build/config/compiler:enable_arc" ]
 
   deps = [
     ":tab_ui",
     "//base",
     "//ios/clean/chrome/browser/ui/actions",
     "//ios/clean/chrome/browser/ui/animators",
+    "//ios/clean/chrome/browser/ui/commands",
     "//ios/clean/chrome/browser/ui/ntp",
     "//ios/clean/chrome/browser/ui/tab_strip",
     "//ios/clean/chrome/browser/ui/toolbar",
     "//ios/clean/chrome/browser/ui/web_contents",
     "//ios/shared/chrome/browser/coordinator_context",
+    "//ios/shared/chrome/browser/ui/browser_list",
+    "//ios/shared/chrome/browser/ui/commands",
     "//ios/shared/chrome/browser/ui/coordinators",
     "//ios/web",
   ]
 }
 
 source_set("tab_ui") {
   sources = [
     "tab_container_view_controller.h",
     "tab_container_view_controller.mm",
   ]
   deps = [
     "//ios/clean/chrome/browser/ui",
     "//ios/clean/chrome/browser/ui/animators",
     "//ios/clean/chrome/browser/ui/presenters",
   ]
   libs = [ "UIKit.framework" ]
   configs += [ "//build/config/compiler:enable_arc" ]
 }