Convert //components/sessions from scoped_ptr to std::unique_ptr

components/sessions/ios/ios_serialized_navigation_builder.mm

 // Copyright 2014 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 "components/sessions/ios/ios_serialized_navigation_builder.h"
 
 #include "components/sessions/core/serialized_navigation_entry.h"
 #include "ios/web/public/favicon_status.h"
 #include "ios/web/public/navigation_item.h"
 #include "ios/web/public/referrer.h"
@@ skipping 13 matching lines @@
   navigation.title_ = item.GetTitle();
   navigation.transition_type_ = item.GetTransitionType();
   navigation.timestamp_ = item.GetTimestamp();
   if (item.GetFavicon().valid)
     navigation.favicon_url_ = item.GetFavicon().url;
 
   return navigation;
 }
 
 // static
-scoped_ptr<web::NavigationItem>
+std::unique_ptr<web::NavigationItem>
 IOSSerializedNavigationBuilder::ToNavigationItem(
     const SerializedNavigationEntry* navigation) {
-  scoped_ptr<web::NavigationItem> item(web::NavigationItem::Create());
+  std::unique_ptr<web::NavigationItem> item(web::NavigationItem::Create());
 
   item->SetURL(navigation->virtual_url_);
   item->SetReferrer(web::Referrer(
       navigation->referrer_url_,
       static_cast<web::ReferrerPolicy>(navigation->referrer_policy_)));
   item->SetTitle(navigation->title_);
   item->SetTransitionType(ui::PAGE_TRANSITION_RELOAD);
   item->SetTimestamp(navigation->timestamp_);
 
   if (navigation->favicon_url_.is_valid()) {
@@ skipping 10 matching lines @@
   ScopedVector<web::NavigationItem> items;
   for (std::vector<SerializedNavigationEntry>::const_iterator it =
            navigations.begin();
        it != navigations.end(); ++it) {
     items.push_back(ToNavigationItem(&(*it)).release());
   }
   return items;
 }
 
 }  // namespace sessions