Move chrome/common/extensions/event_* to extensions/common/

chrome/common/extensions/event_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_EVENT_MATCHER_H_
-#define CHROME_COMMON_EXTENSIONS_EVENT_MATCHER_H_
-
-#include "base/memory/scoped_ptr.h"
-#include "base/values.h"
-
-namespace extensions {
-
-class EventFilteringInfo;
-
-// Matches EventFilteringInfos against a set of criteria. This is intended to
-// be used by EventFilter which performs efficient URL matching across
-// potentially many EventMatchers itself. This is why this class only exposes
-// MatchNonURLCriteria() - URL matching is handled by EventFilter.
-class EventMatcher {
- public:
-  explicit EventMatcher(scoped_ptr<base::DictionaryValue> filter);
-  ~EventMatcher();
-
-  // Returns true if |event_info| satisfies this matcher's criteria, not taking
-  // into consideration any URL criteria.
-  bool MatchNonURLCriteria(const EventFilteringInfo& event_info) const;
-
-  int GetURLFilterCount() const;
-  bool GetURLFilter(int i, base::DictionaryValue** url_filter_out);
-
-  int HasURLFilters() const;
-
-  base::DictionaryValue* value() const {
-    return filter_.get();
-  }
-
- private:
-  // Contains a dictionary that corresponds to a single event filter, eg:
-  //
-  // {url: [{hostSuffix: 'google.com'}]}
-  //
-  // The valid filter keys are event-specific.
-  scoped_ptr<base::DictionaryValue> filter_;
-
-  DISALLOW_COPY_AND_ASSIGN(EventMatcher);
-};
-
-}  // namespace extensions
-
-#endif  // CHROME_COMMON_EXTENSIONS_EVENT_MATCHER_H_