Chromecast: get locale from ICU instead of caching permanently.

chromecast/browser/cast_http_user_agent_settings.h

 // 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.
 
 #ifndef CHROMECAST_BROWSER_CAST_HTTP_USER_AGENT_SETTINGS_H_
 #define CHROMECAST_BROWSER_CAST_HTTP_USER_AGENT_SETTINGS_H_
 
 #include "base/compiler_specific.h"
 #include "base/macros.h"
 #include "net/url_request/http_user_agent_settings.h"
 
 namespace chromecast {
 namespace shell {
 
 class CastHttpUserAgentSettings : public net::HttpUserAgentSettings {
  public:
   CastHttpUserAgentSettings();
   ~CastHttpUserAgentSettings() override;
 
   // net::HttpUserAgentSettings implementation:
   std::string GetAcceptLanguage() const override;
   std::string GetUserAgent() const override;
 
  private:
+  mutable std::string last_locale_;
   mutable std::string accept_language_;
 
   DISALLOW_COPY_AND_ASSIGN(CastHttpUserAgentSettings);
 };
 
 }  // namespace shell
 }  // namespace chromecast
 #endif  // CHROMECAST_BROWSER_CAST_HTTP_USER_AGENT_SETTINGS_H_