Add crash dumps to service protocol and Observatory

runtime/observatory/lib/src/app/location_manager.dart

Index: runtime/observatory/lib/src/app/location_manager.dart
diff --git a/runtime/observatory/lib/src/app/location_manager.dart b/runtime/observatory/lib/src/app/location_manager.dart
index 13f9091c228dfaed5eb205f20ffd3761d68f3d8b..bf91910d70820b88e7457009b20a186be38e8388 100644
--- a/runtime/observatory/lib/src/app/location_manager.dart
+++ b/runtime/observatory/lib/src/app/location_manager.dart
@@ -84,12 +84,12 @@ class LocationManager extends Observable {
 
   /// Navigate to [url].
   void go(String url, [bool addToBrowserHistory = true]) {
-    if ((url != makeLink('/vm-connect/')) && _app.vm == null) {
+    if ((url != makeLink('/vm-connect')) && _app.vm == null) {
       if (!window.confirm('Connection with VM has been lost. '
                           'Proceeding will lose current page.')) {
         return;
       }
-      url = makeLink('/vm-connect/');
+      url = makeLink('/vm-connect');
     }
     if (addToBrowserHistory) {
       _addToBrowserHistory(url);