Remove stl_util's STLDeleteContainerPointers from autofill.

components/autofill/core/browser/autofill-inl.h

Index: components/autofill/core/browser/autofill-inl.h
diff --git a/components/autofill/core/browser/autofill-inl.h b/components/autofill/core/browser/autofill-inl.h
index 33e6a880d08b014140c415965e9ac416abd76dd6..2fa13ebfe5b3725694c56cf490e3bb3ffeedef8c 100644
--- a/components/autofill/core/browser/autofill-inl.h
+++ b/components/autofill/core/browser/autofill-inl.h
@@ -22,6 +22,10 @@ class FormGroupMatchesByCompareFunctor {
     return form_group.Compare(form_group_) == 0;
   }
 
+  bool operator()(const std::unique_ptr<T>& form_group) {
+    return form_group->Compare(form_group_) == 0;
+  }
+
  private:
   const T& form_group_;
 };