chrome/browser/android: Change auto to not deduce raw pointers.

chrome/browser/android/ntp/most_visited_sites_bridge.cc

Index: chrome/browser/android/ntp/most_visited_sites_bridge.cc
diff --git a/chrome/browser/android/ntp/most_visited_sites_bridge.cc b/chrome/browser/android/ntp/most_visited_sites_bridge.cc
index 73e68b44e1e4b0e287e4be6df832b39fd3c658b9..1040bc1f7d7783bb3d66372d42f21dfd195ea628 100644
--- a/chrome/browser/android/ntp/most_visited_sites_bridge.cc
+++ b/chrome/browser/android/ntp/most_visited_sites_bridge.cc
@@ -64,7 +64,7 @@ void MostVisitedSitesBridge::SupervisorBridge::SetObserver(
 bool MostVisitedSitesBridge::SupervisorBridge::IsBlocked(const GURL& url) {
   SupervisedUserService* supervised_user_service =
       SupervisedUserServiceFactory::GetForProfile(profile_);
-  auto url_filter = supervised_user_service->GetURLFilterForUIThread();
+  auto* url_filter = supervised_user_service->GetURLFilterForUIThread();
   return url_filter->GetFilteringBehaviorForURL(url) ==
          SupervisedUserURLFilter::FilteringBehavior::BLOCK;
 }