Make headless_shell target compile for Windows

headless/BUILD.gn

 # Copyright 2015 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("//mojo/public/tools/bindings/mojom.gni")
 import("//testing/test.gni")
 import("//tools/grit/grit_rule.gni")
 import("//tools/grit/repack.gni")
 
@@ skipping 350 matching lines @@
   sources = [
     "app/headless_shell.cc",
     "app/headless_shell_switches.cc",
     "app/headless_shell_switches.h",
     "public/headless_shell.h",
   ]
 
   deps = [
     "//headless:headless_lib",
   ]
+
+  configs += [ ":headless_implementation" ]
 }
 
 executable("headless_shell") {
   sources = [
     "app/headless_shell_main.cc",
   ]
 
   deps = [
     "//headless:headless_shell_lib",
   ]
+
+  configs += [ ":headless_implementation" ]
+
+  if (is_win) {

[Sami, 2017/02/09 17:51:40]

Should these go into the headless_lib target since that's where the sandboxing
setup code lives too?

[dvallet, 2017/02/10 05:29:49]

Done

+    deps += [
+      "//build/win:default_exe_manifest",
+      "//content:sandbox_helper_win",
+      "//sandbox",
+    ]
+  }
 }