https://chromiumcodereview.appspot.com/14751005/diff/4001/Source/core/html/DOMSettableTokenList.idl?context=10&column_width=80&tab_spaces=8
Source/core/html/DOMSettableTokenList.idl - Issue 14751005: Support for latest WebIDL for indexed...
core html
https://chromiumcodereview.appspot.com/14751005/patch/4001/5020?context=10&column_width=80&tab_spaces=8
Source/core/fileapi/FileList.idl - Issue 14751005: Support for latest WebIDL for indexed property...