Componentize HistoryQuickProvider and its supporting cast

components/omnibox/in_memory_url_index.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/browser/autocomplete/in_memory_url_index.h"
+#include "components/omnibox/in_memory_url_index.h"
 
 #include "base/files/file_util.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/trace_event/trace_event.h"
-#include "chrome/browser/autocomplete/url_index_private_data.h"
 #include "components/history/core/browser/history_service.h"
 #include "components/history/core/browser/url_database.h"
+#include "components/omnibox/url_index_private_data.h"
 
 using in_memory_url_index::InMemoryURLIndexCacheItem;
 
 // Initializes a whitelist of URL schemes.
 void InitializeSchemeWhitelist(
     std::set<std::string>* whitelist,
     const std::set<std::string>& client_schemes_to_whitelist) {
   DCHECK(whitelist);
   if (!whitelist->empty())
     return;  // Nothing to do, already initialized.
@@ skipping 312 matching lines @@
     task_runner_->PostTask(
         FROM_HERE,
         base::Bind(base::IgnoreResult(base::DeleteFile), path, false));
   }
 }
 
 void InMemoryURLIndex::OnCacheSaveDone(bool succeeded) {
   if (save_cache_observer_)
     save_cache_observer_->OnCacheSaveFinished(succeeded);
 }