Make TopSites a RefcountedKeyedService

chrome/browser/ui/browser.cc

Index: chrome/browser/ui/browser.cc
diff --git a/chrome/browser/ui/browser.cc b/chrome/browser/ui/browser.cc
index 1745f7127ee3d5f88df2fbd04f1e5404886d4166..2e4a7f2e0b5a5923d55bfb907b64835b4d7f7654 100644
--- a/chrome/browser/ui/browser.cc
+++ b/chrome/browser/ui/browser.cc
@@ -58,6 +58,7 @@
 #include "chrome/browser/file_select_helper.h"
 #include "chrome/browser/first_run/first_run.h"
 #include "chrome/browser/history/top_sites.h"
+#include "chrome/browser/history/top_sites_factory.h"
 #include "chrome/browser/infobars/infobar_service.h"
 #include "chrome/browser/lifetime/application_lifetime.h"
 #include "chrome/browser/notifications/notification_ui_manager.h"
@@ -1884,12 +1885,13 @@ OmniboxView* Browser::GetOmniboxView() {
 }
 
 std::set<std::string> Browser::GetOpenUrls() {
-  history::TopSites* top_sites = profile_->GetTopSites();
+  scoped_refptr<history::TopSites> top_sites =
+      TopSitesFactory::GetForProfile(profile_);
   if (!top_sites)  // NULL for Incognito profiles.
     return std::set<std::string>();
 
   std::set<std::string> open_urls;
-  chrome::GetOpenUrls(*tab_strip_model_, *top_sites, &open_urls);
+  chrome::GetOpenUrls(*tab_strip_model_, *top_sites.get(), &open_urls);
   return open_urls;
 }