Bug 1203147 - Add a keyboard shortcut for the 'scroll into view' contextual menu action in the inspector, r=pbro

browser/devtools/markupview/markup-view.js

@@ -653,6 +653,11 @@ MarkupView.prototype = {
           break;
         }
       }
+      case Ci.nsIDOMKeyEvent.DOM_VK_S: {
+        let selection = this._selectedContainer.node;
+        this._inspector.scrollNodeIntoView(selection);
+        break;
+      }
       default:
         handled = false;
     }