DevTools: Migrate elements panel undo/redo shortcuts to declarative actions.

Source/devtools/front_end/elements/module.json

Index: Source/devtools/front_end/elements/module.json
diff --git a/Source/devtools/front_end/elements/module.json b/Source/devtools/front_end/elements/module.json
index 683a3178c06ff99d86054e082818e989923a213f..235b1e46116b8a4857385afa933599cfd2804158 100644
--- a/Source/devtools/front_end/elements/module.json
+++ b/Source/devtools/front_end/elements/module.json
@@ -13,6 +13,38 @@
             "className": "WebInspector.ElementsPanel.ContextMenuProvider"
         },
         {
+            "type": "@WebInspector.ActionDelegate",
+            "actionId": "elements.undo",
+            "className": "WebInspector.ElementsPanel.UndoActionDelegate",
+            "contextTypes": ["WebInspector.ElementsPanel"],
+            "bindings": [
+                {
+                    "platform": "windows,linux",
+                    "shortcut": "Ctrl+Z"
+                },
+                {
+                    "platform": "mac",
+                    "shortcut": "Meta+Z"
+                }
+            ]
+        },
+        {
+            "type": "@WebInspector.ActionDelegate",
+            "actionId": "elements.redo",
+            "className": "WebInspector.ElementsPanel.RedoActionDelegate",
+            "contextTypes": ["WebInspector.ElementsPanel"],
+            "bindings": [
+                {
+                    "platform": "windows,linux",
+                    "shortcut": "Ctrl+Y"
+                },
+                {
+                    "platform": "mac",
+                    "shortcut": "Meta+Shift+Z"
+                }
+            ]
+        },
+        {
             "type": "@WebInspector.Renderer",
             "contextTypes": ["WebInspector.DOMNode", "WebInspector.RemoteObject"],
             "className": "WebInspector.ElementsTreeOutline.Renderer"