Update of the extension install UI:

chrome/common/extensions/user_script.h

 // Copyright 2009 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_USER_SCRIPT_H_
 #define CHROME_COMMON_EXTENSIONS_USER_SCRIPT_H_
 
 #include <vector>
 #include <string>
 
 #include "base/file_path.h"
 #include "base/string_piece.h"
 #include "chrome/common/extensions/url_pattern.h"
 #include "googleurl/src/gurl.h"
 
 class Pickle;
 
 // Represents a user script, either a standalone one, or one that is part of an
 // extension.
 class UserScript {
  public:
+  typedef std::vector<URLPattern> PatternList;
+
   // Locations that user scripts can be run inside the document.
   enum RunLocation {
     DOCUMENT_START,  // After the documentElemnet is created, but before
                      // anything else happens.
     DOCUMENT_END,  // After the entire document is parsed. Same as
                    // DOMContentLoaded.
 
     RUN_LOCATION_LAST  // Leave this as the last item.
   };
 
@@ skipping 58 matching lines @@
   void set_run_location(RunLocation location) { run_location_ = location; }
 
   // The globs, if any, that determine which pages this script runs against.
   // These are only used with "standalone" Greasemonkey-like user scripts.
   const std::vector<std::string>& globs() const { return globs_; }
   void add_glob(const std::string& glob) { globs_.push_back(glob); }
   void clear_globs() { globs_.clear(); }
 
   // The URLPatterns, if any, that determine which pages this script runs
   // against.
-  const std::vector<URLPattern>& url_patterns() const { return url_patterns_; }
+  const PatternList& url_patterns() const { return url_patterns_; }
   void add_url_pattern(const URLPattern& pattern) {
     url_patterns_.push_back(pattern);
   }
   void clear_url_patterns() { url_patterns_.clear(); }
 
   // List of js scripts for this user script
   FileList& js_scripts() { return js_scripts_; }
   const FileList& js_scripts() const { return js_scripts_; }
 
   // List of css scripts for this user script
@@ skipping 21 matching lines @@
  private:
   // The location to run the script inside the document.
   RunLocation run_location_;
 
   // Greasemonkey-style globs that determine pages to inject the script into.
   // These are only used with standalone scripts.
   std::vector<std::string> globs_;
 
   // URLPatterns that determine pages to inject the script into. These are
   // only used with scripts that are part of extensions.
-  std::vector<URLPattern> url_patterns_;
+  PatternList url_patterns_;
 
   // List of js scripts defined in content_scripts
   FileList js_scripts_;
 
   // List of css scripts defined in content_scripts
   FileList css_scripts_;
 
   // The ID of the extension this script is a part of, if any. Can be empty if
   // the script is a "standlone" user script.
   std::string extension_id_;
 };
 
 typedef std::vector<UserScript> UserScriptList;
 
 #endif  // CHROME_COMMON_EXTENSIONS_USER_SCRIPT_H_