Topsites become keyedService based.

chrome/browser/devtools/browser_list_tabcontents_provider.cc

Index: chrome/browser/devtools/browser_list_tabcontents_provider.cc
diff --git a/chrome/browser/devtools/browser_list_tabcontents_provider.cc b/chrome/browser/devtools/browser_list_tabcontents_provider.cc
index a975222fe24e86fe8dca28378febfa2fcc7df7df..70c57a43d12e1d93256f38c1de5e181dbc9d66dd 100644
--- a/chrome/browser/devtools/browser_list_tabcontents_provider.cc
+++ b/chrome/browser/devtools/browser_list_tabcontents_provider.cc
@@ -7,6 +7,7 @@
 #include "base/path_service.h"
 #include "base/strings/string_number_conversions.h"
 #include "chrome/browser/history/top_sites.h"
+#include "chrome/browser/history/top_sites_service_factory.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/browser_iterator.h"
@@ -52,11 +53,12 @@ std::string BrowserListTabContentsProvider::GetDiscoveryPageHTML() {
 
   for (std::set<Profile*>::iterator it = profiles.begin();
        it != profiles.end(); ++it) {
-    history::TopSites* ts = (*it)->GetTopSites();
-    if (ts) {
+    scoped_refptr<history::TopSites> top_sites =
+        TopSitesServiceFactory::GetForProfile(*it);
+    if (top_sites.get()) {
       // TopSites updates itself after a delay. Ask TopSites to update itself
       // when we're about to show the remote debugging landing page.
-      ts->SyncWithHistory();
+      top_sites->SyncWithHistory();
     }
   }
   return ResourceBundle::GetSharedInstance().GetRawDataResource(