Remove stl_util's deletion function use from ui/.

ui/chromeos/ime/candidate_window_view_unittest.cc

Index: ui/chromeos/ime/candidate_window_view_unittest.cc
diff --git a/ui/chromeos/ime/candidate_window_view_unittest.cc b/ui/chromeos/ime/candidate_window_view_unittest.cc
index cd8534c256df9b884a3c726fefe878f4c96fb4a6..ec7dbf295d5a7324fd1b1a5efdc8e0bcb659239f 100644
--- a/ui/chromeos/ime/candidate_window_view_unittest.cc
+++ b/ui/chromeos/ime/candidate_window_view_unittest.cc
@@ -95,7 +95,7 @@ class CandidateWindowViewTest : public views::ViewsTestBase {
   }
 
   CandidateView* GetCandidateAt(size_t i) {
-    return candidate_window_view_->candidate_views_[i];
+    return candidate_window_view_->candidate_views_[i].get();
   }
 
   void SelectCandidateAt(int index_in_page) {