Add timestamp support to the Previews infobar

chrome/browser/ui/BUILD.gn

 # 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("//build/config/chromecast_build.gni")
 import("//build/config/crypto.gni")
 import("//build/config/features.gni")
 import("//build/config/ui.gni")
 import("//build/split_static_library.gni")
 import("//chrome/common/features.gni")
@@ skipping 2252 matching lines @@
       "android/infobars/grouped_permission_infobar.cc",
       "android/infobars/grouped_permission_infobar.h",
       "android/infobars/infobar_android.cc",
       "android/infobars/infobar_android.h",
       "android/infobars/infobar_container_android.cc",
       "android/infobars/infobar_container_android.h",
       "android/infobars/instant_apps_infobar.cc",
       "android/infobars/instant_apps_infobar.h",
       "android/infobars/permission_infobar.cc",
       "android/infobars/permission_infobar.h",
+      "android/infobars/previews_infobar.cc",
+      "android/infobars/previews_infobar.h",
       "android/infobars/reader_mode_infobar.cc",
       "android/infobars/reader_mode_infobar.h",
       "android/infobars/search_geolocation_disclosure_infobar.cc",
       "android/infobars/search_geolocation_disclosure_infobar.h",
       "android/infobars/simple_confirm_infobar_builder.cc",
       "android/infobars/simple_confirm_infobar_builder.h",
       "android/infobars/subresource_filter_infobar.cc",
       "android/infobars/subresource_filter_infobar.h",
       "android/infobars/translate_compact_infobar.cc",
       "android/infobars/translate_compact_infobar.h",
@@ skipping 1312 matching lines @@
       "test/test_confirm_bubble_model.cc",
       "test/test_confirm_bubble_model.h",
     ]
     deps += [ "//chrome/test:test_support_ui" ]
   }
 
   if (enable_extensions) {
     deps += [ "//extensions/browser" ]
   }
 }