Make the outdated build detector disabler load and run on XP.

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.
 
 # This is the root build file for GN. GN will start processing by loading this
 # file, and recursively load all dependencies until all dependencies are either
 # resolved or known not to exist (which will cause the build to fail). So if
 # you add a new build file, there must be some path of dependencies from this
 # file to your new one or GN won't know about it.
 
@@ skipping 93 matching lines @@
     deps = [
       "//chrome/installer/gcapi",
       "//chrome/installer/mini_installer",
       "//components/policy:pack_policy_templates",
       "//courgette",
       "//courgette:copy_courgette_binaries",
       "//remoting/webapp",
     ]
 
     if (target_cpu == "x86") {
+      deps += [ "//chrome/tools/disable_outdated_build_detector" ]
       if (is_clang) {
         deps += [ "//courgette(//build/toolchain/win:clang_x64)" ]
       } else {
         deps += [ "//courgette(//build/toolchain/win:x64)" ]
       }
       if (is_chrome_branded) {
         deps += [ "//remoting/host:remoting_host_installation" ]
       }
     }
   }
@@ skipping 226 matching lines @@
   }
 
   if (v8_use_external_startup_data) {
     deps += [ "//gin:gin_v8_snapshot_fingerprint" ]
   }
 
   if (is_win) {
     deps += [
       "//chrome/installer/gcapi",
       "//chrome/tools/build/win/syzygy:chrome_dll_syzygy",
-      "//chrome/tools/disable_outdated_build_detector",
     ]
   }
 
   if (is_android) {
     deps += [
       "//base:base_junit_tests",
       "//base/android/linker:chromium_android_linker",
       "//build/android/gyp/test:hello_world",
       "//build/android/rezip",
       "//chrome/android/webapk/shell_apk:webapk",
@@ skipping 328 matching lines @@
   }
 
   if (!is_android && !is_ios) {
     deps += [ "//content/browser/bluetooth/tools:bluetooth_metrics_hash" ]
   }
 
   if (!is_android && !is_ios && !is_chromeos) {
     deps += [ "//components/proximity_auth:proximity_auth_unittests" ]
   }
 
+  if (is_win && target_cpu == "x86") {
+    deps += [ "//chrome/tools/disable_outdated_build_detector" ]
+  }
+
   if (is_win || is_linux) {
     deps += [
       "//mash:all",
       "//media/mojo/services:media_mojo_shell_unittests",
       "//mojo",
       "//services/navigation",
       "//services/ui/demo",
       "//services/ui/ws:tests",
       "//ui/views/mus:views_mus_interactive_ui_tests",
       "//ui/views/mus:views_mus_unittests",
@@ skipping 400 matching lines @@
       "//ui/display:display_unittests",
       "//ui/events:events_unittests",
       "//ui/gfx:gfx_unittests",
       "//ui/gl:gl_unittests",
       "//ui/keyboard:keyboard_unittests",
       "//ui/touch_selection:ui_touch_selection_unittests",
       "//url:url_unittests",
     ]
   }
 }