Update URLPatternSet to contain a std::set instead of std::vector.

chrome/common/extensions/file_browser_handler.h

 // Copyright (c) 2011 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 CHROME_COMMON_EXTENSIONS_FILE_BROWSER_HANDLER_H_
 #define CHROME_COMMON_EXTENSIONS_FILE_BROWSER_HANDLER_H_
 #pragma once
 
 #include <string>
 #include <vector>
@@ skipping 19 matching lines @@
 
   // action id
   const std::string& id() const { return id_; }
   void set_id(const std::string& id) { id_ = id; }
 
   // default title
   const std::string& title() const { return title_; }
   void set_title(const std::string& title) { title_ = title; }
 
   // File schema URL patterns.
-  const URLPatternList& file_url_patterns() const {
-    return url_set_.patterns();
+  const URLPatternSet& file_url_patterns() const {
+    return url_set_;
   }
   void AddPattern(const URLPattern& pattern);
   bool MatchesURL(const GURL& url) const;
   void ClearPatterns();
 
   // Action icon path.
   const std::string icon_path() const { return default_icon_path_; }
   void set_icon_path(const std::string& path) {
     default_icon_path_ = path;
   }
 
  private:
   // The id for the extension this action belongs to (as defined in the
   // extension manifest).
   std::string extension_id_;
   std::string title_;
   std::string default_icon_path_;
   // The id for the FileBrowserHandler, for example: "PdfFileAction".
   std::string id_;
   // A list of file filters.
   URLPatternSet url_set_;
 };
 
 #endif  // CHROME_COMMON_EXTENSIONS_FILE_BROWSER_HANDLER_H_