Roll IDL to Dartium37 (r181268)

core/clipboard/DataTransferItemList.idl

Index: core/clipboard/DataTransferItemList.idl
diff --git a/core/clipboard/DataTransferItemList.idl b/core/clipboard/DataTransferItemList.idl
index 0babe031c24c2c1fa04e11331873091ba16e37c9..7bdf22c9cf8216ab1c16daefa4460b1af06ef5da 100644
--- a/core/clipboard/DataTransferItemList.idl
+++ b/core/clipboard/DataTransferItemList.idl
@@ -28,13 +28,17 @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-interface DataTransferItemList {
+// http://www.whatwg.org/specs/web-apps/current-work/multipage/dnd.html#datatransferitemlist
+
+[
+    TypeChecking=Interface,
+    WillBeGarbageCollected,
+] interface DataTransferItemList {
     readonly attribute long length;
     [ImplementedAs=item] getter DataTransferItem (unsigned long index);
 
+    [RaisesException] DataTransferItem add(DOMString data, DOMString type);
+    DataTransferItem add(File? file);
     [RaisesException, ImplementedAs=deleteItem] void remove(unsigned long index);
     void clear();
-    DataTransferItem add(File? file);
-    [RaisesException] DataTransferItem add(DOMString data, DOMString type);
 };
-