MD Downloads: add a use_vulcanize option to Chrome

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/crypto.gni")
 import("//build/config/features.gni")
 import("//build/config/ui.gni")
 import("//chrome/common/features.gni")
 
 gypi_values = exec_script("//build/gypi_to_gn.py",
@@ skipping 126 matching lines @@
 
   if ((!is_android || use_aura) && !is_ios) {
     sources += rebase_path(gypi_values.chrome_browser_ui_non_mobile_sources,
                            ".",
                            "//chrome")
     sources +=
         rebase_path(gypi_values.chrome_browser_ui_omnibox_non_mobile_sources,
                     ".",
                     "//chrome")
     deps += [
+      "//chrome/common:features",
       "//components/copresence",
       "//components/feedback/proto",
       "//components/proximity_auth/webui",
       "//device/bluetooth",
       "//third_party/libusb",
     ]
 
     if (is_android) {
       deps -= [ "//third_party/libusb" ]
     }
@@ skipping 452 matching lines @@
     "//chrome/browser",
     "//content/public/browser",
     "//content/public/common",
     "//content/test:test_support",
     "//net:test_support",
     "//skia",
     "//testing/gtest",
     "//ui/base",
   ]
 }