Refactoring Reload in NavigationManager and CRWWebController.

ios/web/navigation/navigation_manager_impl.mm

 // Copyright 2013 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.
 
 #import "ios/web/navigation/navigation_manager_impl.h"
 
 #include <stddef.h>
 
 #include <utility>
 
@@ skipping 330 matching lines @@
 NavigationItemList NavigationManagerImpl::GetBackwardItems() const {
   return [session_controller_ backwardItems];
 }
 
 NavigationItemList NavigationManagerImpl::GetForwardItems() const {
   return [session_controller_ forwardItems];
 }
 
 void NavigationManagerImpl::Reload(ReloadType reload_type,
                                    bool check_for_reposts) {
-  // Navigation manager may be empty if the only pending item failed to load
-  // with SSL error and the user has decided not to proceed.
-  NavigationItem* item = GetVisibleItem();
-  GURL url = item ? item->GetURL() : GURL(url::kAboutBlankURL);
-  web::Referrer referrer = item ? item->GetReferrer() : web::Referrer();
-
-  WebState::OpenURLParams params(url, referrer,
-                                 WindowOpenDisposition::CURRENT_TAB,
-                                 ui::PAGE_TRANSITION_RELOAD, NO);
-  delegate_->GetWebState()->OpenURL(params);
+  delegate_->Reload();
 }
 
 void NavigationManagerImpl::CopyStateFromAndPrune(
     const NavigationManager* manager) {
   DCHECK(manager);
   CRWSessionController* other_session =
       static_cast<const NavigationManagerImpl*>(manager)->session_controller_;
   [session_controller_ copyStateFromSessionControllerAndPrune:other_session];
 }
 
@@ skipping 96 matching lines @@
   const ScopedNavigationItemImplList& items = [session_controller_ items];
   while (index >= 0) {
     NavigationItem* item = items[index--].get();
     if (!client->IsAppSpecificURL(item->GetVirtualURL()))
       return item;
   }
   return nullptr;
 }
 
 }  // namespace web