Add resource whitelisting compatibility for offical builder scripts.

chrome/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/buildflag_header.gni")
 import("//build/config/chrome_build.gni")
 import("//build/config/compiler/compiler.gni")
 import("//build/config/features.gni")
 import("//build/config/locales.gni")
 import("//build/config/sanitizers/sanitizers.gni")
@@ skipping 1684 matching lines @@
     outputs = [
       _outfile,
     ]
 
     args = [
       "-i",
       rebase_path(_infile, root_build_dir),
       "-o",
       rebase_path(_outfile, root_build_dir),
       "--out-dir=.",
+      "--use-existing-resource-ids",
     ]
   }
 }
 
 if (is_linux) {
   action("manpage") {
     if (is_chrome_branded) {
       name = "Google Chrome"
       filename = "google-chrome"
       confdir = "google-chrome"
@@ skipping 67 matching lines @@
       "//chrome/app/theme/$branding_path_component/product_logo_48.png",
       "//chrome/tools/build/linux/chrome-wrapper",
       "//third_party/xdg-utils/scripts/xdg-mime",
       "//third_party/xdg-utils/scripts/xdg-settings",
     ]
     outputs = [
       "$root_out_dir/{{source_file_part}}",
     ]
   }
 }