Roll IDL to multivm@603

third_party/WebCore/editing/UndoManager.idl

Index: third_party/WebCore/editing/UndoManager.idl
diff --git a/third_party/WebCore/html/shadow/HTMLShadowElement.idl b/third_party/WebCore/editing/UndoManager.idl
similarity index 90%
copy from third_party/WebCore/html/shadow/HTMLShadowElement.idl
copy to third_party/WebCore/editing/UndoManager.idl
index 94facb7bea44be8b703058505b0ee74687f4fe34..5ee7bea189e6e5d8f3d08cc6ff85a7d5e3a03226 100644
--- a/third_party/WebCore/html/shadow/HTMLShadowElement.idl
+++ b/third_party/WebCore/editing/UndoManager.idl
@@ -28,12 +28,16 @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-module html {
+module core {
 
     interface [
-        Conditional=SHADOW_DOM,
-        V8EnabledAtRuntime=shadowDOM
-    ] HTMLShadowElement : HTMLElement {
+        Conditional=UNDO_MANAGER
+    ] UndoManager {
+        void undo();
+        void redo();
+
+        void clearUndo();
+        void clearRedo();
     };
 
 }