Add implicit trailing dot domain matching support to URLPattern.

extensions/common/url_pattern.h

 // Copyright (c) 2012 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 EXTENSIONS_COMMON_URL_PATTERN_H_
 #define EXTENSIONS_COMMON_URL_PATTERN_H_
 
 #include <functional>
 #include <iosfwd>
 #include <string>
 #include <vector>
@@ skipping 204 matching lines @@
 
   bool MatchesSecurityOriginHelper(const GURL& test) const;
 
   // Returns true if our port matches the |port| pattern (it may be "*").
   bool MatchesPortPattern(const std::string& port) const;
 
   // If the URLPattern contains a wildcard scheme, returns a list of
   // equivalent literal schemes, otherwise returns the current scheme.
   std::vector<std::string> GetExplicitSchemes() const;
 
+  // Adds or removes trailing dot to properly handle FQDN matching.
+  std::string CanonicalizeHostForMatching(const GURL& url) const;
+
   // A bitmask containing the schemes which are considered valid for this
   // pattern. Parse() uses this to decide whether a pattern contains a valid
   // scheme.
   int valid_schemes_;
 
   // True if this is a special-case "<all_urls>" pattern.
   bool match_all_urls_;
 
   // The scheme for the pattern.
   std::string scheme_;
@@ skipping 18 matching lines @@
 
   // A string representing this URLPattern.
   mutable std::string spec_;
 };
 
 std::ostream& operator<<(std::ostream& out, const URLPattern& url_pattern);
 
 typedef std::vector<URLPattern> URLPatternList;
 
 #endif  // EXTENSIONS_COMMON_URL_PATTERN_H_