Move c/c/extensions/matcher/ to top level extension dir

extensions/common/matcher/regex_set_matcher.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_EXTENSIONS_MATCHER_REGEX_SET_MATCHER_H_
-#define CHROME_COMMON_EXTENSIONS_MATCHER_REGEX_SET_MATCHER_H_
+#ifndef EXTENSIONS_COMMON_MATCHER_REGEX_SET_MATCHER_H_
+#define EXTENSIONS_COMMON_MATCHER_REGEX_SET_MATCHER_H_
 
 #include <map>
 #include <set>
 #include <string>
 #include <vector>
 
 #include "base/memory/scoped_ptr.h"
-#include "chrome/common/extensions/matcher/string_pattern.h"
-#include "chrome/common/extensions/matcher/substring_set_matcher.h"
+#include "extensions/common/matcher/string_pattern.h"
+#include "extensions/common/matcher/substring_set_matcher.h"
 
 namespace re2 {
 class FilteredRE2;
 }
 
 namespace extensions {
 
 // Efficiently matches URLs against a collection of regular expressions,
 // using FilteredRE2 to reduce the number of regexes that must be matched
 // by pre-filtering with substring matching. See:
@@ skipping 44 matching lines @@
   scoped_ptr<re2::FilteredRE2> filtered_re2_;
   scoped_ptr<SubstringSetMatcher> substring_matcher_;
 
   // The substring patterns from FilteredRE2, which are used in
   // |substring_matcher_| but whose lifetime is managed here.
   std::vector<const StringPattern*> substring_patterns_;
 };
 
 }  // namespace extensions
 
-#endif  // CHROME_COMMON_EXTENSIONS_MATCHER_REGEX_SET_MATCHER_H_
+#endif  // EXTENSIONS_COMMON_MATCHER_REGEX_SET_MATCHER_H_