Chromecast: return the correct locale in ContentBrowserClient.

chromecast/shell/browser/cast_content_browser_client.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chromecast/shell/browser/cast_content_browser_client.h"
 
 #include "base/command_line.h"
 #include "chromecast/shell/browser/cast_browser_context.h"
 #include "chromecast/shell/browser/cast_browser_main_parts.h"
 #include "chromecast/shell/browser/geolocation/cast_access_token_store.h"
@@ skipping 79 matching lines @@
     content::WebPreferences* prefs) {
   prefs->allow_scripts_to_close_windows = true;
   // TODO(lcwu): http://crbug.com/391089. This pref is set to true by default
   // because some content providers such as YouTube use plain http requests
   // to retrieve media data chunks while running in a https page. This pref
   // should be disabled once all the content providers are no longer doing that.
   prefs->allow_running_insecure_content = true;
 }
 
 std::string CastContentBrowserClient::GetApplicationLocale() {
-  return "en-US";
+  const std::string locale(base::i18n::GetConfiguredLocale());
+  return locale.empty() ? "en-US" : locale;
 }
 
 void CastContentBrowserClient::AllowCertificateError(
     int render_process_id,
     int render_view_id,
     int cert_error,
     const net::SSLInfo& ssl_info,
     const GURL& request_url,
     content::ResourceType resource_type,
     bool overridable,
@@ skipping 27 matching lines @@
 }
 
 void CastContentBrowserClient::GetAdditionalMappedFilesForChildProcess(
     const base::CommandLine& command_line,
     int child_process_id,
     std::vector<content::FileDescriptorInfo>* mappings) {
 }
 
 }  // namespace shell
 }  // namespace chromecast