Topsites become keyedService based.

chrome/browser/ui/webui/ntp/most_visited_handler.cc

Index: chrome/browser/ui/webui/ntp/most_visited_handler.cc
diff --git a/chrome/browser/ui/webui/ntp/most_visited_handler.cc b/chrome/browser/ui/webui/ntp/most_visited_handler.cc
index 704380e324a05f29910a7d72b3a5f9705e57b7c2..dd7d4cdeeb7740dd2731191db26413cbaaeb3d9a 100644
--- a/chrome/browser/ui/webui/ntp/most_visited_handler.cc
+++ b/chrome/browser/ui/webui/ntp/most_visited_handler.cc
@@ -21,7 +21,8 @@
 #include "base/threading/thread.h"
 #include "base/values.h"
 #include "chrome/browser/chrome_notification_types.h"
-#include "chrome/browser/history/top_sites.h"
+#include "chrome/browser/history/top_sites_provider.h"
+#include "chrome/browser/history/top_sites_service_factory.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/thumbnails/thumbnail_list_source.h"
 #include "chrome/browser/ui/browser.h"
@@ -83,7 +84,8 @@ void MostVisitedHandler::RegisterMessages() {
   content::URLDataSource::Add(
       profile, new FaviconSource(profile, FaviconSource::FAVICON));
 
-  history::TopSites* ts = profile->GetTopSites();
+  history::TopSitesProvider* ts =
+      TopSitesServiceFactory::GetForProfile(profile);
   if (ts) {
     // TopSites updates itself after a delay. This is especially noticable when
     // your profile is empty. Ask TopSites to update itself when we're about to
@@ -93,7 +95,7 @@ void MostVisitedHandler::RegisterMessages() {
     // Register for notification when TopSites changes so that we can update
     // ourself.
     registrar_.Add(this, chrome::NOTIFICATION_TOP_SITES_CHANGED,
-                   content::Source<history::TopSites>(ts));
+                   content::Source<history::TopSitesProvider>(ts));
   }
 
   // We pre-emptively make a fetch for the most visited pages so we have the
@@ -138,7 +140,8 @@ void MostVisitedHandler::SendPagesValue() {
     const base::DictionaryValue* url_blacklist =
         profile->GetPrefs()->GetDictionary(prefs::kNtpMostVisitedURLsBlacklist);
     bool has_blacklisted_urls = !url_blacklist->empty();
-    history::TopSites* ts = profile->GetTopSites();
+    history::TopSitesProvider* ts =
+        TopSitesServiceFactory::GetForProfile(profile);
     if (ts)
       has_blacklisted_urls = ts->HasBlacklistedItems();
 
@@ -151,7 +154,8 @@ void MostVisitedHandler::SendPagesValue() {
 }
 
 void MostVisitedHandler::StartQueryForMostVisited() {
-  history::TopSites* ts = Profile::FromWebUI(web_ui())->GetTopSites();
+  history::TopSitesProvider* ts =
+      TopSitesServiceFactory::GetForProfile(Profile::FromWebUI(web_ui()));
   if (ts) {
     ts->GetMostVisitedURLs(
         base::Bind(&MostVisitedHandler::OnMostVisitedUrlsAvailable,
@@ -177,7 +181,8 @@ void MostVisitedHandler::HandleRemoveUrlsFromBlacklist(
       return;
     }
     content::RecordAction(UserMetricsAction("MostVisited_UrlRemoved"));
-    history::TopSites* ts = Profile::FromWebUI(web_ui())->GetTopSites();
+    history::TopSitesProvider* ts =
+        TopSitesServiceFactory::GetForProfile(Profile::FromWebUI(web_ui()));
     if (ts)
       ts->RemoveBlacklistedURL(GURL(url));
   }
@@ -186,7 +191,8 @@ void MostVisitedHandler::HandleRemoveUrlsFromBlacklist(
 void MostVisitedHandler::HandleClearBlacklist(const base::ListValue* args) {
   content::RecordAction(UserMetricsAction("MostVisited_BlacklistCleared"));
 
-  history::TopSites* ts = Profile::FromWebUI(web_ui())->GetTopSites();
+  history::TopSitesProvider* ts =
+      TopSitesServiceFactory::GetForProfile(Profile::FromWebUI(web_ui()));
   if (ts)
     ts->ClearBlacklistedURLs();
 }
@@ -253,7 +259,8 @@ void MostVisitedHandler::Observe(int type,
 }
 
 void MostVisitedHandler::BlacklistUrl(const GURL& url) {
-  history::TopSites* ts = Profile::FromWebUI(web_ui())->GetTopSites();
+  history::TopSitesProvider* ts =
+      TopSitesServiceFactory::GetForProfile(Profile::FromWebUI(web_ui()));
   if (ts)
     ts->AddBlacklistedURL(url);
   content::RecordAction(UserMetricsAction("MostVisited_UrlBlacklisted"));