Topsites become keyedService based.

chrome/browser/history/chrome_history_client_factory.cc

Index: chrome/browser/history/chrome_history_client_factory.cc
diff --git a/chrome/browser/history/chrome_history_client_factory.cc b/chrome/browser/history/chrome_history_client_factory.cc
index 10c8618e91d43199f6dfdbdad3bdc4c4afafadbb..0dcfe8c7638bd36a36694f7ba6295320a732bf87 100644
--- a/chrome/browser/history/chrome_history_client_factory.cc
+++ b/chrome/browser/history/chrome_history_client_factory.cc
@@ -7,6 +7,7 @@
 #include "base/memory/singleton.h"
 #include "chrome/browser/bookmarks/bookmark_model_factory.h"
 #include "chrome/browser/history/chrome_history_client.h"
+#include "chrome/browser/history/top_sites_service_factory.h"
 #include "chrome/browser/profiles/incognito_helpers.h"
 #include "chrome/browser/profiles/profile.h"
 #include "components/keyed_service/content/browser_context_dependency_manager.h"
@@ -35,6 +36,7 @@ ChromeHistoryClientFactory::ChromeHistoryClientFactory()
           "ChromeHistoryClient",
           BrowserContextDependencyManager::GetInstance()) {
   DependsOn(BookmarkModelFactory::GetInstance());
+  DependsOn(TopSitesServiceFactory::GetInstance());
 }
 
 ChromeHistoryClientFactory::~ChromeHistoryClientFactory() {
@@ -43,9 +45,10 @@ ChromeHistoryClientFactory::~ChromeHistoryClientFactory() {
 KeyedService* ChromeHistoryClientFactory::BuildServiceInstanceFor(
     content::BrowserContext* context) const {
   Profile* profile = static_cast<Profile*>(context);
+  scoped_refptr<history::TopSites> top_sites =
+      TopSitesServiceFactory::GetForProfile(profile);
   return new ChromeHistoryClient(BookmarkModelFactory::GetForProfile(profile),
-                                 profile,
-                                 profile->GetTopSites());
+                                 profile, top_sites.get());
 }
 
 content::BrowserContext* ChromeHistoryClientFactory::GetBrowserContextToUse(