Adding Sign-in promo for bookmark view.

ios/chrome/browser/ui/bookmarks/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("bookmarks") {
   configs += [ "//build/config/compiler:enable_arc" ]
   sources = [
     "bookmark_collection_cells.h",
     "bookmark_collection_cells.mm",
     "bookmark_collection_view.h",
@@ skipping 38 matching lines @@
     "bookmark_navigation_controller.h",
     "bookmark_navigation_controller.mm",
     "bookmark_panel_view.h",
     "bookmark_panel_view.mm",
     "bookmark_position_cache.h",
     "bookmark_position_cache.mm",
     "bookmark_promo_cell.h",
     "bookmark_promo_cell.mm",
     "bookmark_promo_controller.h",
     "bookmark_promo_controller.mm",
+    "bookmark_signin_promo_cell.h",
+    "bookmark_signin_promo_cell.mm",
     "bookmark_utils_ios.h",
     "bookmark_utils_ios.mm",
     "undo_manager_bridge_observer.h",
     "undo_manager_bridge_observer.mm",
     "undo_manager_wrapper.h",
     "undo_manager_wrapper.mm",
   ]
   deps = [
     ":resources",
     "//base",
@@ skipping 174 matching lines @@
     "resources/bookmark_white_edit@2x.png",
     "resources/bookmark_white_edit@3x.png",
     "resources/bookmark_white_move.png",
     "resources/bookmark_white_move@2x.png",
     "resources/bookmark_white_move@3x.png",
   ]
   outputs = [
     "{{bundle_resources_dir}}/{{source_file_part}}",
   ]
 }