Allow generation of a chromium outdirs when enable_extensions=false

chrome/chrome_paks.gni

Index: chrome/chrome_paks.gni
diff --git a/chrome/chrome_paks.gni b/chrome/chrome_paks.gni
index f9117f24fffef6ff688bb308446af577d6dd76f7..1b8c897f1262298d221eaaf0ab66af935f04ca12 100644
--- a/chrome/chrome_paks.gni
+++ b/chrome/chrome_paks.gni
@@ -136,7 +136,6 @@ template("chrome_extra_paks") {
         "$root_gen_dir/chrome/component_extension_resources.pak",
         "$root_gen_dir/chrome/options_resources.pak",
         "$root_gen_dir/chrome/settings_resources.pak",
-        "$root_gen_dir/chrome/sync_file_system_internals_resources.pak",
         "$root_gen_dir/content/browser/devtools/devtools_resources.pak",
         "$root_gen_dir/headless/headless_lib_resources.pak",
       ]
@@ -144,11 +143,16 @@ template("chrome_extra_paks") {
         "//chrome/browser/resources:component_extension_resources",
         "//chrome/browser/resources:options_resources",
         "//chrome/browser/resources:settings_resources",
-        "//chrome/browser/resources:sync_file_system_internals_resources",
         "//content/browser/devtools:devtools_resources",
         "//headless:resources",
       ]
     }
+    if (enable_extensions) {
+      sources +=
+          [ "$root_gen_dir/chrome/sync_file_system_internals_resources.pak" ]
+      deps +=
+          [ "//chrome/browser/resources:sync_file_system_internals_resources" ]
+    }
     if (is_chromeos) {
       sources += [
         "$root_gen_dir/components/chrome_apps/chrome_apps_resources.pak",