Enable security state computation for HeadlessWebContents.

headless/BUILD.gn

Index: headless/BUILD.gn
diff --git a/headless/BUILD.gn b/headless/BUILD.gn
index 98463d931d2a610ab22154d02150636b3bfd3759..e21096901024f1b91230125956978ea1b95b2568 100644
--- a/headless/BUILD.gn
+++ b/headless/BUILD.gn
@@ -2,6 +2,7 @@
 # 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")
@@ -22,6 +23,7 @@ repack("pak") {
     "$root_gen_dir/blink/devtools_resources.pak",
     "$root_gen_dir/blink/public/resources/blink_image_resources_100_percent.pak",
     "$root_gen_dir/blink/public/resources/blink_resources.pak",
+    "$root_gen_dir/components/strings/components_strings_en-US.pak",
     "$root_gen_dir/content/app/resources/content_resources_100_percent.pak",
     "$root_gen_dir/content/app/strings/content_strings_en-US.pak",
     "$root_gen_dir/content/browser/tracing/tracing_resources.pak",
@@ -34,8 +36,15 @@ repack("pak") {
     "$root_gen_dir/ui/strings/ui_strings_en-US.pak",
   ]
 
+  if (is_chrome_branded) {
+    sources += [ "${root_gen_dir}/components/strings/components_google_chrome_strings_en-US.pak" ]
+  } else {
+    sources += [ "${root_gen_dir}/components/strings/components_chromium_strings_en-US.pak" ]
+  }
+
   deps = [
     ":headless_lib_resources_grit",
+    "//components/strings",
     "//content:resources",
     "//content/app/resources",
     "//content/app/strings",
@@ -219,6 +228,8 @@ static_library("headless_lib") {
     ":gen_devtools_client_api",
     ":pak",
     "//base",
+    "//components/security_state/content",
+    "//components/security_state/core",
     "//content/public/app:both",
     "//content/public/browser",
     "//content/public/child",