Skeleton for showing "Show all saved passwords row" for Linux/CrOs/Windows platforms

chrome/app/vector_icons/BUILD.gn

 # Copyright 2017 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/util/branding.gni")
 import("//components/vector_icons/vector_icons.gni")
 
 aggregate_vector_icons("chrome_vector_icons") {
   icon_directory = "."
 
@@ skipping 53 matching lines @@
     "overflow_chevron.1x.icon",
     "overflow_chevron.icon",
     "paintbrush.icon",
     "photo_camera.icon",
     "profile_switcher_outline.icon",
     "remove.1x.icon",
     "remove.icon",
     "remove_box.icon",
     "sad_tab.icon",
     "settings.icon",
+    "open_in_new.icon",
     "smartphone.icon",
     "subresource_filter_active.icon",
     "supervisor_account.icon",
     "supervisor_account_circle.icon",
     "sync_problem.icon",
     "tab.icon",
     "tab_audio.1x.icon",
     "tab_audio.icon",
     "tab_audio_muting.1x.icon",
     "tab_audio_muting.icon",
@@ skipping 36 matching lines @@
 source_set("vector_icons") {
   sources = get_target_outputs(":chrome_vector_icons")
 
   deps = [
     ":chrome_vector_icons",
     "//base",
     "//skia",
     "//ui/gfx",
   ]
 }