DevTools: Revoke undo/redo due to inconsistent behavior determining the source of storage mutation

Source/devtools/front_end/DOMStorageItemsView.js

Index: Source/devtools/front_end/DOMStorageItemsView.js
diff --git a/Source/devtools/front_end/DOMStorageItemsView.js b/Source/devtools/front_end/DOMStorageItemsView.js
index 908ba8bcb2004ff8d7a3841612b7e213dca985d9..c2497c586f117cc3b8460216e4c70a8da3cba72c 100644
--- a/Source/devtools/front_end/DOMStorageItemsView.js
+++ b/Source/devtools/front_end/DOMStorageItemsView.js
@@ -67,26 +67,6 @@ WebInspector.DOMStorageItemsView.prototype = {
     },
 
     /**
-     * @param {KeyboardEvent} event
-     */
-    handleShortcut: function(event)
-    {
-        if (WebInspector.KeyboardShortcut.eventHasCtrlOrMeta(event) && !event.shiftKey && event.keyIdentifier === "U+005A") { // Z key
-            this.domStorage.undo();
-            event.handled = true;
-            return;
-        }
-
-        var isRedoKey = WebInspector.isMac() ? event.metaKey && event.shiftKey && event.keyIdentifier === "U+005A" : // Z key
-                                               event.ctrlKey && event.keyIdentifier === "U+0059"; // Y key
-        if (isRedoKey) {
-            this.domStorage.redo();
-            event.handled = true;
-            return;
-        }
-    },
-
-    /**
      * @param {WebInspector.Event} event
      */
     _domStorageItemsCleared: function(event)