[ios] Put back clock open for recently closed image.

ios/chrome/browser/ui/ntp/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.
 
 bundle_data("resources") {
   sources = [
     "resources/bookmarks_bar_bg.png",
     "resources/bookmarks_bar_bg@2x.png",
     "resources/bookmarks_bar_bg@2x~ipad.png",
     "resources/bookmarks_bar_bg_pressed@2x~ipad.png",
@@ skipping 51 matching lines @@
     "resources/ntp_mv_thumbnail_container@2x.png",
     "resources/ntp_mv_thumbnail_container@3x.png",
     "resources/ntp_mv_thumbnail_empty.png",
     "resources/ntp_mv_thumbnail_empty@2x.png",
     "resources/ntp_mv_thumbnail_empty@2x~ipad.png",
     "resources/ntp_mv_thumbnail_empty~ipad.png",
     "resources/ntp_mv_welcome_favicon.png",
     "resources/ntp_mv_welcome_favicon@2x.png",
     "resources/ntp_opentabs@2x.png",
     "resources/ntp_opentabs@3x.png",
+    "resources/ntp_opentabs_clock.png",
+    "resources/ntp_opentabs_clock@2x.png",
+    "resources/ntp_opentabs_clock@3x.png",
     "resources/ntp_opentabs_header@2x~ipad.png",
     "resources/ntp_opentabs_header~ipad.png",
     "resources/ntp_opentabs_laptop.png",
     "resources/ntp_opentabs_laptop@2x.png",
     "resources/ntp_opentabs_laptop@3x.png",
     "resources/ntp_opentabs_last_row@2x~ipad.png",
     "resources/ntp_opentabs_last_row_h@2x~ipad.png",
     "resources/ntp_opentabs_last_row_h~ipad.png",
     "resources/ntp_opentabs_last_row~ipad.png",
     "resources/ntp_opentabs_list_item@2x~ipad.png",
@@ skipping 186 matching lines @@
     "new_tab_page_perftest.mm",
   ]
   deps = [
     "//base/test:test_support",
     "//ios/chrome/browser/sessions",
     "//ios/chrome/browser/tabs",
     "//ios/chrome/browser/test:perf_test_support",
     "//ios/chrome/browser/ui:ui_internal",
   ]
 }