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

chrome/common/extensions/matcher/string_pattern.cc

-// 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.
-
-#include "chrome/common/extensions/matcher/string_pattern.h"
-
-namespace extensions {
-
-StringPattern::StringPattern(const std::string& pattern,
-                             StringPattern::ID id)
-    : pattern_(pattern), id_(id) {}
-
-StringPattern::~StringPattern() {}
-
-bool StringPattern::operator<(const StringPattern& rhs) const {
-  if (id_ != rhs.id_) return id_ < rhs.id_;
-  return pattern_ < rhs.pattern_;
-}
-
-}  // namespace extensions