Clean content_settings_pattern_parser.* from unnecessary dependencies.

chrome/common/content_settings_pattern_parser.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 CHROME_COMMON_CONTENT_SETTINGS_PATTERN_PARSER_H_
 #define CHROME_COMMON_CONTENT_SETTINGS_PATTERN_PARSER_H_
 
 #include <string>
 
 #include "base/basictypes.h"
 #include "chrome/common/content_settings_pattern.h"
 
 namespace content_settings {
 
-struct PatternParts;
-
 class PatternParser {
  public:
   static void Parse(const std::string& pattern_spec,
                     ContentSettingsPattern::BuilderInterface* builder);
 
   static std::string ToString(
       const ContentSettingsPattern::PatternParts& parts);
-
- private:
-  static const char* kDomainWildcard;
-
-  static const size_t kDomainWildcardLength;
-
-  static const char* kSchemeWildcard;
-
-  static const char* kHostWildcard;
-
-  static const char* kPortWildcard;
-
-  static const char* kPathWildcard;
-
-  DISALLOW_COPY_AND_ASSIGN(PatternParser);
 };
 
 }  // namespace content_settings
 
 #endif  // CHROME_COMMON_CONTENT_SETTINGS_PATTERN_PARSER_H_