Remove ScopedVector from components/sessions.

components/sessions/core/base_session_service_test_helper.cc

 // 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/core/base_session_service_test_helper.h"
 
 #include "components/sessions/core/base_session_service.h"
 #include "components/sessions/core/session_backend.h"
 
 namespace sessions {
@@ skipping 12 matching lines @@
     const base::Closure& task) {
   base_session_service_->RunTaskOnBackendThread(from_here, task);
 }
 
 bool BaseSessionServiceTestHelper::ProcessedAnyCommands() {
   return base_session_service_->backend_->inited() ||
          !base_session_service_->pending_commands().empty();
 }
 
 bool BaseSessionServiceTestHelper::ReadLastSessionCommands(
-    ScopedVector<SessionCommand>* commands) {
+    std::vector<std::unique_ptr<SessionCommand>>* commands) {
   return base_session_service_->backend_->ReadLastSessionCommandsImpl(commands);
 }
 
 }  // namespace sessions