Remove ScopedVector from components/sessions.

components/sessions/ios/ios_serialized_navigation_builder.h

 // 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.
 
 #ifndef COMPONENTS_SESSIONS_IOS_IOS_SERIALIZED_NAVIGATION_BUILDER_H_
 #define COMPONENTS_SESSIONS_IOS_IOS_SERIALIZED_NAVIGATION_BUILDER_H_
 
 #include <memory>
 #include <vector>
 
-#include "base/memory/scoped_vector.h"
-
 namespace web {
 class NavigationItem;
 }
 
 namespace sessions {
 class SerializedNavigationEntry;
 
 // Provides methods to convert between SerializedNavigationEntry and //ios/web
 // classes.
 class IOSSerializedNavigationBuilder {
  public:
   // Construct a SerializedNavigationEntry for a particular index from the given
   // NavigationItem.
   static SerializedNavigationEntry FromNavigationItem(
       int index, const web::NavigationItem& item);
 
   // Convert the given SerializedNavigationEntry into a NavigationItem. The
   // NavigationItem will have a transition type of
   // PAGE_TRANSITION_RELOAD and a new unique ID.
   static std::unique_ptr<web::NavigationItem> ToNavigationItem(
       const SerializedNavigationEntry* navigation);
 
   // Converts a set of SerializedNavigationEntrys into a list of
   // NavigationItems with sequential page IDs.
-  // TODO(crbug.com/561329): Change this API to return a
-  // std::vector<scoped_ptr> in coordination with changing downstream clients.
-  static ScopedVector<web::NavigationItem> ToNavigationItems(
+  static std::vector<std::unique_ptr<web::NavigationItem>> ToNavigationItems(
       const std::vector<SerializedNavigationEntry>& navigations);
 };
 
 }  // namespace sessions
 
 #endif  // COMPONENTS_SESSIONS_IOS_IOS_SERIALIZED_NAVIGATION_BUILDER_H_