Fix object ownership in ui/base/models.

chrome/browser/android/bookmarks/bookmark_bridge.cc

Index: chrome/browser/android/bookmarks/bookmark_bridge.cc
diff --git a/chrome/browser/android/bookmarks/bookmark_bridge.cc b/chrome/browser/android/bookmarks/bookmark_bridge.cc
index 6a49869a3d10c7247a869dc1350ce8a4e8fec564..b6d291f9fd8847c1859e54d45ce02fded2b75f05 100644
--- a/chrome/browser/android/bookmarks/bookmark_bridge.cc
+++ b/chrome/browser/android/bookmarks/bookmark_bridge.cc
@@ -11,6 +11,7 @@
 #include "base/android/jni_string.h"
 #include "base/containers/stack_container.h"
 #include "base/i18n/string_compare.h"
+#include "base/memory/ptr_util.h"
 #include "chrome/browser/bookmarks/bookmark_model_factory.h"
 #include "chrome/browser/bookmarks/managed_bookmark_service_factory.h"
 #include "chrome/browser/profiles/incognito_helpers.h"
@@ -160,7 +161,7 @@ void BookmarkBridge::LoadEmptyPartnerBookmarkShimForTesting(
   if (partner_bookmarks_shim_->IsLoaded())
       return;
   partner_bookmarks_shim_->SetPartnerBookmarksRoot(
-      new BookmarkPermanentNode(0));
+      base::MakeUnique<BookmarkPermanentNode>(0));
   DCHECK(partner_bookmarks_shim_->IsLoaded());
 }