Componentize TopSites, TopSitesBackend, TopSitesDatabase

chrome/browser/ui/webui/ntp/suggestions_source_top_sites.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/ui/webui/ntp/suggestions_source_top_sites.h"
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/command_line.h"
 #include "base/stl_util.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/values.h"
 #include "chrome/browser/history/history_service.h"
 #include "chrome/browser/history/history_service_factory.h"
-#include "chrome/browser/history/top_sites.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/webui/ntp/new_tab_ui.h"
 #include "chrome/browser/ui/webui/ntp/suggestions_combiner.h"
 #include "chrome/common/chrome_switches.h"
+#include "components/history/core/browser/top_sites.h"
 #include "components/history/core/browser/visit_filter.h"
 
 
 namespace {
 
 // The weight used by the combiner to determine which ratio of suggestions
 // should be obtained from this source.
 const int kSuggestionsTopListWeight = 1;
 
 }  // namespace
@@ skipping 100 matching lines @@
 // static
 base::TimeDelta SuggestionsSourceTopSites::GetFilterWidth() {
   return base::TimeDelta::FromHours(1);
 }
 
 // static
 history::VisitFilter::SortingOrder
 SuggestionsSourceTopSites::GetSortingOrder() {
   return history::VisitFilter::ORDER_BY_RECENCY;
 }