Move content_settings_pattern and content_settings_pattern_parser to the content_settings component.

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 {
-
-class PatternParser {
- public:
-  static void Parse(const std::string& pattern_spec,
-                    ContentSettingsPattern::BuilderInterface* builder);
-
-  static std::string ToString(
-      const ContentSettingsPattern::PatternParts& parts);
-};
-
-}  // namespace content_settings
-
-#endif  // CHROME_COMMON_CONTENT_SETTINGS_PATTERN_PARSER_H_