Bundle some ash resources into chrome for mash=1 use_ash=0

chrome/chrome_repack_locales.gni

Index: chrome/chrome_repack_locales.gni
diff --git a/chrome/chrome_repack_locales.gni b/chrome/chrome_repack_locales.gni
index 62706f125de6a70f1250d70cd9c2aece63b9aed6..91681b0d1d8407f3d16787f7a8ac79fcf6eac446 100644
--- a/chrome/chrome_repack_locales.gni
+++ b/chrome/chrome_repack_locales.gni
@@ -5,6 +5,7 @@
 import("//build/config/chrome_build.gni")
 import("//build/config/features.gni")
 import("//build/config/ui.gni")
+import("//chrome/common/features.gni")
 import("//tools/grit/repack.gni")
 
 # Wraps repack_locales(), setting the source_patterns and deps required for
@@ -40,7 +41,10 @@ template("chrome_repack_locales") {
       deps += invoker.deps
     }
 
-    if (use_ash) {
+    # Chrome --mash in non-chromeos builds need to access some ash resources
+    # in order to avoid some missing localized strings in Ash's window manager session.
+    # TODO(tonikitoo): Remove this when a chrome/mus is available.
+    if (use_ash || enable_package_mash_services) {
       source_patterns += [ "${root_gen_dir}/ash/common/strings/ash_strings_" ]
       deps += [ "//ash/common/strings" ]
     }