Make URLPattern::OverlapsWith handle wildcards better by expanding them to explicit schemes.

chrome/common/extensions/url_pattern.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_URL_PATTERN_H_
 #define CHROME_COMMON_EXTENSIONS_URL_PATTERN_H_
 #pragma once
 
 #include <functional>
 #include <string>
 #include <vector>
@@ skipping 216 matching lines @@
 
  private:
 #if !(defined(_MSC_VER) && _MSC_VER >= 1600)
   friend class std::vector<URLPattern>;
 
   // Note: don't use this directly. This exists so URLPattern can be used
   // with STL containers.
   URLPattern();
 #endif
 
+  // Returns true if any of the |schemes| items matches our scheme.
+  bool MatchesAnyScheme(const std::vector<std::string>& schemes) 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;
+
   // A bitmask containing the schemes which are considered valid for this
   // pattern. Parse() uses this to decide whether a pattern contains a valid
   // scheme. MatchesScheme uses this to decide whether a wildcard scheme_
   // matches a given test scheme.
   int valid_schemes_;
 
   // True if this is a special-case "<all_urls>" pattern.
   bool match_all_urls_;
 
   // The scheme for the pattern.
@@ skipping 11 matching lines @@
   std::string path_;
 
   // The path with "?" and "\" characters escaped for use with the
   // MatchPattern() function.
   std::string path_escaped_;
 };
 
 typedef std::vector<URLPattern> URLPatternList;
 
 #endif  // CHROME_COMMON_EXTENSIONS_URL_PATTERN_H_