Remove ScopedVector from components/sessions.

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 34 matching lines @@
   item->SetTimestamp(navigation->timestamp_);
 
   if (navigation->favicon_url_.is_valid()) {
     item->GetFavicon().url = navigation->favicon_url_;
   }
 
   return item;
 }
 
 // static
-ScopedVector<web::NavigationItem>
+std::vector<std::unique_ptr<web::NavigationItem>>
 IOSSerializedNavigationBuilder::ToNavigationItems(
     const std::vector<SerializedNavigationEntry>& navigations) {
-  ScopedVector<web::NavigationItem> items;
-  for (std::vector<SerializedNavigationEntry>::const_iterator it =
-           navigations.begin();
-       it != navigations.end(); ++it) {
-    items.push_back(ToNavigationItem(&(*it)).release());
-  }
+  std::vector<std::unique_ptr<web::NavigationItem>> items;
+  for (const auto& navigation : navigations)
+    items.push_back(ToNavigationItem(&navigation));
+
   return items;
 }
 
 }  // namespace sessions