Make TopSites a RefcountedKeyedService

chrome/browser/profiles/profile_impl.cc

Index: chrome/browser/profiles/profile_impl.cc
diff --git a/chrome/browser/profiles/profile_impl.cc b/chrome/browser/profiles/profile_impl.cc
index 35d47630fff5cb3fd5f83828db6443ae4329a758..02c1a69654e7f14acd55318be21489c7baf89113 100644
--- a/chrome/browser/profiles/profile_impl.cc
+++ b/chrome/browser/profiles/profile_impl.cc
@@ -38,7 +38,6 @@
 #include "chrome/browser/download/chrome_download_manager_delegate.h"
 #include "chrome/browser/download/download_service.h"
 #include "chrome/browser/download/download_service_factory.h"
-#include "chrome/browser/history/top_sites.h"
 #include "chrome/browser/net/chrome_net_log.h"
 #include "chrome/browser/net/net_pref_observer.h"
 #include "chrome/browser/net/predictor.h"
@@ -826,9 +825,6 @@ ProfileImpl::~ProfileImpl() {
   BrowserContextDependencyManager::GetInstance()->DestroyBrowserContextServices(
       this);
 
-  if (top_sites_.get())
-    top_sites_->Shutdown();
-
   if (pref_proxy_config_tracker_)
     pref_proxy_config_tracker_->DetachFromPrefService();
 
@@ -1171,18 +1167,6 @@ Time ProfileImpl::GetStartTime() const {
   return start_time_;
 }
 
-history::TopSites* ProfileImpl::GetTopSites() {
-  if (!top_sites_.get()) {
-    top_sites_ = history::TopSites::Create(
-        this, GetPath().Append(chrome::kTopSitesFilename));
-  }
-  return top_sites_.get();
-}
-
-history::TopSites* ProfileImpl::GetTopSitesWithoutCreating() {
-  return top_sites_.get();
-}
-
 #if defined(ENABLE_SESSION_SERVICE)
 void ProfileImpl::StopCreateSessionServiceTimer() {
   create_session_service_timer_.Stop();