Navigation: move RestoreType and ReloadType into a separate file

chrome/browser/ui/browser_tabrestore.cc

 // Copyright (c) 2012 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/ui/browser_tabrestore.h"
 
 #include "chrome/browser/extensions/tab_helper.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/sessions/session_service.h"
 #include "chrome/browser/sessions/session_service_factory.h"
 #include "chrome/browser/tab_contents/tab_util.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/browser_window.h"
 #include "chrome/browser/ui/tabs/tab_strip_model.h"
 #include "chrome/browser/ui/web_contents_sizer.h"
 #include "components/sessions/content/content_serialized_navigation_builder.h"
 #include "content/public/browser/navigation_controller.h"
 #include "content/public/browser/navigation_entry.h"
 #include "content/public/browser/session_storage_namespace.h"
 #include "content/public/browser/web_contents.h"
 
+using content::RestoreType;
 using content::WebContents;
 using content::NavigationController;
 using content::NavigationEntry;
 using sessions::ContentSerializedNavigationBuilder;
 using sessions::SerializedNavigationEntry;
 
 namespace chrome {
 
 namespace {
 
-NavigationController::RestoreType GetRestoreType(Browser* browser,
-                                                 bool from_last_session) {
+RestoreType GetRestoreType(Browser* browser, bool from_last_session) {
   if (!from_last_session)
-    return NavigationController::RESTORE_CURRENT_SESSION;
-  return browser->profile()->GetLastSessionExitType() == Profile::EXIT_CRASHED ?
-      NavigationController::RESTORE_LAST_SESSION_CRASHED :
-      NavigationController::RESTORE_LAST_SESSION_EXITED_CLEANLY;
+    return RestoreType::CURRENT_SESSION;
+  return browser->profile()->GetLastSessionExitType() == Profile::EXIT_CRASHED
+             ? RestoreType::LAST_SESSION_CRASHED
+             : RestoreType::LAST_SESSION_EXITED_CLEANLY;
 }
 
 WebContents* CreateRestoredTab(
     Browser* browser,
     const std::vector<SerializedNavigationEntry>& navigations,
     int selected_navigation,
     const std::string& extension_app_id,
     bool from_last_session,
     content::SessionStorageNamespace* session_storage_namespace,
     const std::string& user_agent_override,
@@ skipping 112 matching lines @@
   int insertion_index = tab_strip->active_index();
   tab_strip->InsertWebContentsAt(insertion_index + 1,
                                  web_contents,
                                  TabStripModel::ADD_ACTIVE |
                                  TabStripModel::ADD_INHERIT_GROUP);
   tab_strip->CloseWebContentsAt(insertion_index, TabStripModel::CLOSE_NONE);
   return web_contents;
 }
 
 }  // namespace chrome