GN: Use build directory for CD for scripts

tools/gn/secondary/chrome/BUILD.gn

 # Copyright (c) 2013 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("//crypto/ssl/flags.gni")
 import("//tools/grit/grit_rule.gni")
 
 executable("chrome") {
   sources = [
     "app/breakpad_field_trial_win.cc",
@@ skipping 155 matching lines @@
 static_library("renderer") {
   external = true
 }
 
 static_library("utility") {
   external = true
 }
 
 # Resources --------------------------------------------------------------------
 
-print("resourcing")
-
 group("chrome_resources") {
   deps = [
     ":browser_resources",
     ":common_resources",
     ":renderer_resources",
   ]
 }
 grit("browser_resources") {
   external = true
   source = "browser/browser_resources.grd"
 }
 grit("common_resources") {
   external = true
   source = "common/common_resources.grd"
 }
 grit("renderer_resources") {
   external = true
   source = "renderer/resources/renderer_resources.grd"
 }
-print("resourcing 2")
 
 group("chrome_strings") {
   deps = [
     ":locale_settings",
     ":chromium_strings",
     ":generated_resources",
     ":google_chrome_strings",
   ]
 }
 grit("locale_settings") {
   external = true
   source = "app/resources/locale_settings.grd"
 }
 grit("chromium_strings") {
   external = true
   source = "app/chromium_strings.grd"
 }
 grit("generated_resources") {
   external = true
   source = "app/generated_resources.grd"
 }
 grit("google_chrome_strings") {
   external = true
   source = "app/google_chrome_strings.grd"
 }
-print("resourcing 3")
 
 group("chrome_extra_resources") {
   deps = [
     ":memory_internals_resources",
     ":net_internals_resources",
     ":signin_internals_resources",
     ":sync_internals_resources",
     ":translate_internals_resources",
   ]
 }
@@ skipping 10 matching lines @@
   source = "browser/resources/signin_internals_resources.grd"
 }
 grit("sync_internals_resources") {
   external = true
   source = "browser/resources/sync_internals_resources.grd"
 }
 grit("translate_internals_resources") {
   external = true
   source = "browser/resources/translate_internals_resources.grd"
 }
-print("resourcing 4")
 
 group("theme_resources") {
   deps = [
     ":app_theme_resources",
     #"//ui:ui_resources",
   ]
 }
 grit("app_theme_resources") {
   external = true
   source = "app/theme/theme_resources.grd"
 }
-
-print("resourcing done")