Make headless_shell target compile for Windows

headless/BUILD.gn

Index: headless/BUILD.gn
diff --git a/headless/BUILD.gn b/headless/BUILD.gn
index 7f155ee2e080e1c520781bb5822be8ac047a6ac9..86e08349ab916e9dd62b4784f8e4f63e0c2f7d89 100644
--- a/headless/BUILD.gn
+++ b/headless/BUILD.gn
@@ -368,6 +368,8 @@ static_library("headless_shell_lib") {
   deps = [
     "//headless:headless_lib",
   ]
+
+  configs += [ ":headless_implementation" ]
 }
 
 executable("headless_shell") {
@@ -378,4 +380,14 @@ executable("headless_shell") {
   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",
+    ]
+  }
 }