When attempting to navigate to a page for an isolate that doesn't exist, offer to

runtime/observatory/lib/src/elements/observatory_element.dart

Index: runtime/observatory/lib/src/elements/observatory_element.dart
diff --git a/runtime/observatory/lib/src/elements/observatory_element.dart b/runtime/observatory/lib/src/elements/observatory_element.dart
index 0b362b3b6e83cbe6a1dff40e41af068ff379b47e..f516bacbe6a214fd87b5d7c2a34f919e2b100636 100644
--- a/runtime/observatory/lib/src/elements/observatory_element.dart
+++ b/runtime/observatory/lib/src/elements/observatory_element.dart
@@ -116,6 +116,9 @@ class ObservatoryElement extends PolymerElement {
   String gotoLink(String url, [ServiceObject obj]) {
     return app.locationManager.makeLink(makeLink(url, obj));
   }
+  String gotoLinkForwardingParameters(String url, [ServiceObject obj]) {
+    return app.locationManager.makeLinkForwardingParameters(makeLink(url, obj));
+  }
 
   String formatTimePrecise(double time) => Utils.formatTimePrecise(time);
   String formatTimeMilliseconds(int millis) =>