Remove NavigationManager::GetPreviousItem().

ios/chrome/browser/tabs/tab.mm

 // Copyright 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.
 
 #import "ios/chrome/browser/tabs/tab.h"
 
 #import <CoreLocation/CoreLocation.h>
 #import <UIKit/UIKit.h>
 
 #include <utility>
@@ skipping 110 matching lines @@
 #include "ios/chrome/grit/ios_strings.h"
 #include "ios/public/provider/chrome/browser/chrome_browser_provider.h"
 #import "ios/public/provider/chrome/browser/native_app_launcher/native_app_metadata.h"
 #import "ios/public/provider/chrome/browser/native_app_launcher/native_app_whitelist_manager.h"
 #import "ios/web/navigation/crw_session_controller.h"
 #import "ios/web/navigation/navigation_item_impl.h"
 #import "ios/web/navigation/navigation_manager_impl.h"
 #include "ios/web/public/favicon_status.h"
 #include "ios/web/public/favicon_url.h"
 #include "ios/web/public/interstitials/web_interstitial.h"
+#include "ios/web/public/load_committed_details.h"
 #import "ios/web/public/navigation_manager.h"
 #include "ios/web/public/referrer.h"
 #import "ios/web/public/serializable_user_data_manager.h"
 #include "ios/web/public/ssl_status.h"
 #include "ios/web/public/url_scheme_util.h"
 #include "ios/web/public/url_util.h"
 #include "ios/web/public/web_client.h"
 #import "ios/web/public/web_state/js/crw_js_injection_receiver.h"
 #include "ios/web/public/web_state/navigation_context.h"
 #import "ios/web/public/web_state/ui/crw_generic_content_view.h"
@@ skipping 1562 matching lines @@
   if (faviconDriver) {
     faviconDriver->FetchFavicon(lastCommittedURL);
   }
   [parentTabModel_ notifyTabChanged:self];
   if (parentTabModel_) {
     [[NSNotificationCenter defaultCenter]
         postNotificationName:kTabModelTabDidStartLoadingNotification
                       object:parentTabModel_
                     userInfo:@{kTabModelTabKey : self}];
   }
-  [parentTabModel_ navigationCommittedInTab:self];
+
+  web::NavigationItem* previousItem = nullptr;
+  if (details.previous_item_index >= 0) {
+    previousItem = webState->GetNavigationManager()->GetItemAtIndex(
+        details.previous_item_index);
+  }
+
+  [parentTabModel_ navigationCommittedInTab:self previousItem:previousItem];
 
   // Sending a notification about the url change for crash reporting.
   // TODO(crbug.com/661675): Consider using the navigation entry committed
   // notification now that it's in the right place.
   NSString* URLSpec = base::SysUTF8ToNSString(lastCommittedURL.spec());
   if (URLSpec.length) {
     [[NSNotificationCenter defaultCenter]
         postNotificationName:kTabUrlStartedLoadingNotificationForCrashReporting
                       object:self
                     userInfo:@{kTabUrlKey : URLSpec}];
@@ skipping 501 matching lines @@
 
 - (TabModel*)parentTabModel {
   return parentTabModel_;
 }
 
 - (FormInputAccessoryViewController*)inputAccessoryViewController {
   return inputAccessoryViewController_.get();
 }
 
 @end