Remove stl_util's deletion function use from components/url_matcher/.

components/url_matcher/regex_set_matcher.h

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef COMPONENTS_URL_MATCHER_REGEX_SET_MATCHER_H_
 #define COMPONENTS_URL_MATCHER_REGEX_SET_MATCHER_H_
 
 #include <map>
 #include <memory>
 #include <set>
@@ skipping 57 matching lines @@
   RegexMap regexes_;
   // Mapping of RE2IDs from FilteredRE2 (which are assigned in order)
   // to regex StringPattern::IDs.
   RE2IDMap re2_id_map_;
 
   std::unique_ptr<re2::FilteredRE2> filtered_re2_;
   std::unique_ptr<SubstringSetMatcher> substring_matcher_;
 
   // The substring patterns from FilteredRE2, which are used in
   // |substring_matcher_| but whose lifetime is managed here.
-  std::vector<const StringPattern*> substring_patterns_;
+  std::vector<std::unique_ptr<StringPattern>> substring_patterns_;
 };
 
 }  // namespace url_matcher
 
 #endif  // COMPONENTS_URL_MATCHER_REGEX_SET_MATCHER_H_