Topsites become keyedService based.

chrome/browser/precache/most_visited_urls_provider.cc

 // Copyright 2013 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/precache/most_visited_urls_provider.h"
 
 #include <list>
 
 #include "base/bind.h"
-#include "chrome/browser/history/top_sites.h"
+#include "chrome/browser/history/top_sites_provider.h"
 #include "components/history/core/browser/history_types.h"
 #include "url/gurl.h"
 
 using history::MostVisitedURLList;
 
 namespace {
 
 void OnMostVisitedURLsReceived(
     const precache::URLListProvider::GetURLsCallback& callback,
     const MostVisitedURLList& most_visited_urls) {
   std::list<GURL> urls;
   for (MostVisitedURLList::const_iterator it = most_visited_urls.begin();
        it != most_visited_urls.end(); ++it) {
     if (it->url.SchemeIs("http")) {
       urls.push_back(it->url);
     }
   }
   callback.Run(urls);
 }
 
 }  // namespace
 
 namespace precache {
 
-MostVisitedURLsProvider::MostVisitedURLsProvider(history::TopSites* top_sites)
-    : top_sites_(top_sites) {}
+MostVisitedURLsProvider::MostVisitedURLsProvider(
+    history::TopSitesProvider* top_sites)
+    : top_sites_provider_(top_sites) {
+}
 
 MostVisitedURLsProvider::~MostVisitedURLsProvider() {}
 
 void MostVisitedURLsProvider::GetURLs(const GetURLsCallback& callback) {
-  top_sites_->GetMostVisitedURLs(
+  top_sites_provider_->GetMostVisitedURLs(
       base::Bind(&OnMostVisitedURLsReceived, callback), false);
 }
 
 }  // namespace precache