Update permission warning for contentSettings API

components/content_settings/core/common/content_settings_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.
 
 // Patterns used in content setting rules.
 
 #ifndef COMPONENTS_CONTENT_SETTINGS_CORE_COMMON_CONTENT_SETTINGS_PATTERN_H_
 #define COMPONENTS_CONTENT_SETTINGS_CORE_COMMON_CONTENT_SETTINGS_PATTERN_H_
 
 #include <string>
@@ skipping 172 matching lines @@
   // Constructs an empty pattern. Empty patterns are invalid patterns. Invalid
   // patterns match nothing.
   ContentSettingsPattern();
 
   // True if this is a valid pattern.
   bool IsValid() const { return is_valid_; }
 
   // True if |url| matches this pattern.
   bool Matches(const GURL& url) const;
 
+  // True if the pattern matches multiple extension URLs (i.e. the scheme is
+  // a wildcard and the hostname is either a wildcard or looks like an extension
+  // ID).
+  bool IsExtensionUrlWildcard() const;
+
   // True if this pattern matches all hosts (i.e. it has a host wildcard).
   bool MatchesAllHosts() const;
 
   // Returns a std::string representation of this pattern.
   std::string ToString() const;
 
   // Returns scheme type of pattern.
   ContentSettingsPattern::SchemeType GetScheme() const;
 
   // True if this pattern has a non-empty path.  Can only be used for patterns
@@ skipping 42 matching lines @@
       const ContentSettingsPattern::PatternParts& other_parts);
 
   ContentSettingsPattern(const PatternParts& parts, bool valid);
 
   PatternParts parts_;
 
   bool is_valid_;
 };
 
 #endif  // COMPONENTS_CONTENT_SETTINGS_CORE_COMMON_CONTENT_SETTINGS_PATTERN_H_