Roll IDL to multivm@375

third_party/WebCore/dom/WebKitMutationObserver.idl

 /*
  * Copyright (C) 2011 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 18 matching lines @@
  */
 
 module core {
     interface [
         Conditional=MUTATION_OBSERVERS,
         CustomConstructor,
         ConstructorParameters=1
     ] WebKitMutationObserver {
         [Custom] void observe(in Node target, in MutationObserverOptions options)
             raises(DOMException);
+        sequence<MutationRecord> takeRecords();
         void disconnect();
     };
 }