[Mac] Localize app shims with the OS preferred language.

chrome/browser/web_applications/web_app_mac.mm

Index: chrome/browser/web_applications/web_app_mac.mm
diff --git a/chrome/browser/web_applications/web_app_mac.mm b/chrome/browser/web_applications/web_app_mac.mm
index aaa84468fc4000a01a92bcbb37aec064e106ef7b..091a667ba8cafbd52080c97221cdb189fcd3069f 100644
--- a/chrome/browser/web_applications/web_app_mac.mm
+++ b/chrome/browser/web_applications/web_app_mac.mm
@@ -743,13 +743,16 @@ bool WebAppShortcutCreator::CreateShortcuts(
     path_to_add_to_dock = base::SysUTF8ToNSString(
         applications_dir.Append(GetShortcutBasename()).AsUTF8Unsafe());
   } else {
+    base::DeleteFile(GetInternalShortcutPath(), true);
     paths.push_back(app_data_dir_);
   }
 
   bool shortcut_visible =
       creation_locations.applications_menu_location != APP_MENU_LOCATION_HIDDEN;
-  if (shortcut_visible)
+  if (shortcut_visible) {
+    base::DeleteFile(GetApplicationsShortcutPath(), true);
     paths.push_back(applications_dir);
+  }
 
   DCHECK(!paths.empty());
   size_t success_count = CreateShortcutsIn(paths);
@@ -897,9 +900,13 @@ bool WebAppShortcutCreator::UpdatePlist(const base::FilePath& app_path) const {
 
 bool WebAppShortcutCreator::UpdateDisplayName(
     const base::FilePath& app_path) const {
-  // OSX searches for the best language in the order of preferred languages.
-  // Since we only have one localization directory, it will choose this one.
-  base::FilePath localized_dir = GetResourcesPath(app_path).Append("en.lproj");
+  // Localization is used to display the app name (rather than the bundle
+  // filename). OSX searches for the best language in the order of preferred
+  // languages, but one of them must be found otherwise it will default to
+  // the filename.
+  NSString* language = [[NSLocale preferredLanguages] objectAtIndex:0];
+  base::FilePath localized_dir = GetResourcesPath(app_path).Append(
+      base::SysNSStringToUTF8(language) + ".lproj");
   if (!base::CreateDirectory(localized_dir))
     return false;