Moves HistoryIndexRestoreObserver to components/omnibox/browser.

components/omnibox/browser/history_index_restore_observer.cc

 // Copyright (c) 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.
 
-#include "chrome/test/base/history_index_restore_observer.h"
+#include "components/omnibox/browser/history_index_restore_observer.h"
 
 HistoryIndexRestoreObserver::HistoryIndexRestoreObserver(
     const base::Closure& task)
     : task_(task),
       succeeded_(false) {
 }
 
 HistoryIndexRestoreObserver::~HistoryIndexRestoreObserver() {}
 
 void HistoryIndexRestoreObserver::OnCacheRestoreFinished(bool success) {
   succeeded_ = success;
   task_.Run();
 }