Eliminate [LegacyInterfaceTypeChecking] for modules/filesystem bindings

third_party/WebKit/Source/modules/filesystem/FileWriterSync.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 15 matching lines @@
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 [
     NoInterfaceObject,
     GarbageCollected,
 ] interface FileWriterSync {
     // synchronous write/modify methods
-    [RaisesException, LegacyInterfaceTypeChecking] void write(Blob data);
+    [RaisesException] void write(Blob data);
     [RaisesException] void seek(long long position);
     [RaisesException] void truncate(long long size);
 
     readonly attribute long long position;
     readonly attribute long long length;
 };