Hide private stuff into .cc file

chrome/browser/chromeos/locale_change_guard.cc

 // Copyright (c) 2011 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 "chrome/browser/chromeos/locale_change_guard.h"
 
 #include "app/l10n_util.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/app/chrome_command_ids.h"
 #include "chrome/browser/browser_process.h"
+#include "chrome/browser/chromeos/notifications/system_notification.h"
 #include "chrome/browser/metrics/user_metrics.h"
+#include "chrome/browser/notifications/notification_delegate.h"
 #include "chrome/browser/prefs/pref_service.h"
 #include "chrome/browser/tab_contents/tab_contents.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/common/pref_names.h"
 #include "grit/app_resources.h"
 #include "grit/generated_resources.h"
 
 namespace {
 
 base::LazyInstance<chromeos::LocaleChangeGuard> g_locale_change_guard(
     base::LINKER_INITIALIZED);
 
 }  // namespace
 
 namespace chromeos {
 
+class LocaleChangeGuard::Delegate : public NotificationDelegate {
+ public:
+  explicit Delegate(chromeos::LocaleChangeGuard* master) : master_(master) {}
+  void Close(bool by_user);
+  void Display() {}
+  void Error() {}
+  void Click() {}
+  std::string id() const;
+
+ private:
+  chromeos::LocaleChangeGuard* master_;
+
+  DISALLOW_COPY_AND_ASSIGN(Delegate);
+};
+
 LocaleChangeGuard::LocaleChangeGuard()
     : profile_id_(Profile::InvalidProfileId),
       tab_contents_(NULL),
       note_(NULL),
       reverted_(false) {
 }
 
 void LocaleChangeGuard::RevertLocaleChange(const ListValue* list) {
   if (note_ == NULL ||
       tab_contents_ == NULL ||
@@ skipping 126 matching lines @@
   if (by_user)
     master_->AcceptLocaleChange();
 }
 
 std::string LocaleChangeGuard::Delegate::id() const {
   // Arbitrary unique Id.
   return "8c386938-1e3f-11e0-ac7b-18a90520e2e5";
 }
 
 }  // namespace chromeos