Remove ScopedVector from components/sessions.

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 879 matching lines @@
   storeKitLauncher_.reset(storeKitLauncher);
 }
 
 // Swap out the existing session history with a new list of navigations. Forces
 // the tab to reload to update the UI accordingly. This is ok because none of
 // the session history is stored in the tab; it's always fetched through the
 // navigation manager.
 - (void)replaceHistoryWithNavigations:
             (const std::vector<sessions::SerializedNavigationEntry>&)navigations
                          currentIndex:(NSInteger)currentIndex {
-  ScopedVector<web::NavigationItem> items =
+  std::vector<std::unique_ptr<web::NavigationItem>> items =
       sessions::IOSSerializedNavigationBuilder::ToNavigationItems(navigations);
   [self navigationManager]->ReplaceSessionHistory(std::move(items),
                                                   currentIndex);
   [self didReplaceSessionHistory];
 
   [self.webController loadCurrentURL];
 }
 
 - (void)didReplaceSessionHistory {
   // Replace fullScreenController_ with a new sessionID  when the navigation
@@ skipping 1540 matching lines @@
 
 - (TabModel*)parentTabModel {
   return parentTabModel_;
 }
 
 - (FormInputAccessoryViewController*)inputAccessoryViewController {
   return inputAccessoryViewController_.get();
 }
 
 @end