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

extensions/common/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_
+#ifndef EXTENSIONS_COMMON_EVENT_MATCHER_H_
+#define EXTENSIONS_COMMON_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
@@ skipping 23 matching lines @@
   // {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_
+#endif  // EXTENSIONS_COMMON_EVENT_MATCHER_H_