Roll IDL to multivm@683

third_party/WebCore/fileapi/WebKitBlobBuilder.idl

 /*
  * Copyright (C) 2010 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 21 matching lines @@
     interface [
         Conditional=LEGACY_WEBKIT_BLOB_BUILDER,
         Constructor,
         JSGenerateToNativeObject,
         JSNoStaticTables,
         CallWith=ScriptExecutionContext
     ] WebKitBlobBuilder {
 #if !defined(LANGUAGE_OBJECTIVE_C)
         Blob getBlob(in [Optional, TreatNullAs=NullString, TreatUndefinedAs=NullString] DOMString contentType);
 #endif
-        void append(in Blob blob);
+        void append(in Blob? blob);
 #if defined(ENABLE_BLOB) && ENABLE_BLOB
-        [CallWith=ScriptExecutionContext] void append(in ArrayBuffer arrayBuffer);
-        void append(in ArrayBufferView arrayBufferView);
+        [CallWith=ScriptExecutionContext] void append(in ArrayBuffer? arrayBuffer);
+        void append(in ArrayBufferView? arrayBufferView);
 #endif
         void append(in DOMString value, in [Optional, TreatNullAs=NullString, TreatUndefinedAs=NullString] DOMString endings) raises (DOMException);
     };
 
 }