Add metro driver and delegate_execute to GN build.

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/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")
 import("//build/config/ui.gni")
@@ skipping 123 matching lines @@
         "common/crash_keys.cc",
         "common/crash_keys.h",
       ]
 
       deps += [
         ":chrome_dll",
         ":chrome_exe_version",
         ":file_pre_reader",
 
         # 'chrome_nacl_win64" TODO(GYP) bug 512869
-        # '../win8/delegate_execute/delegate_execute.gyp:*', TODO(GYP) bug 512867
-        # '../win8/metro_driver/metro_driver.gyp:metro_driver', TODO(GYP) bug 512864
         "//base",
         "//breakpad:breakpad_handler",
         "//breakpad:breakpad_sender",
         "//chrome/app/version_assembly:chrome_exe_manifest",
         "//chrome/browser:chrome_process_finder",
         "//chrome/chrome_watcher",
         "//chrome/chrome_watcher:client",
         "//chrome/installer/util",
         "//chrome_elf",
         "//components/browser_watcher:browser_watcher_client",
         "//components/crash/content/app",
         "//components/crash/core/common",
         "//content:sandbox_helper_win",
         "//content/public/common:static_switches",
         "//crypto",
         "//sandbox",
         "//ui/gfx",
+        "//win8/delegate_execute",
+        "//win8/metro_driver",
       ]
       data_deps = [
         "//chrome/app/version_assembly:version_assembly_manifest",
       ]
 
       libs = [
         "wintrust.lib",
         "crypt32.lib",
       ]
       if (win_console_app) {
@@ skipping 897 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}}",
     ]
   }
 }