Code coverage in Observatory

runtime/bin/vmservice/client/lib/src/observatory/location_manager.dart

Index: runtime/bin/vmservice/client/lib/src/observatory/location_manager.dart
diff --git a/runtime/bin/vmservice/client/lib/src/observatory/location_manager.dart b/runtime/bin/vmservice/client/lib/src/observatory/location_manager.dart
index d4457916518a050e9da7f367762e3dc4f58bac37..0da448f2b31276005767f5898d78ef4d52daf7dd 100644
--- a/runtime/bin/vmservice/client/lib/src/observatory/location_manager.dart
+++ b/runtime/bin/vmservice/client/lib/src/observatory/location_manager.dart
@@ -26,6 +26,8 @@ class LocationManager extends Observable {
         // We just triggered another onHashChange event.
         return;
       }
+      notifyPropertyChange(#hasCurrentIsolate, !hasCurrentIsolate,
+                           hasCurrentIsolate);
       // Request the current anchor.
       requestCurrentHash();
     });
@@ -63,6 +65,14 @@ class LocationManager extends Observable {
     return prefix.substring(2);
   }
 
+  Isolate currentIsolate() {
+    var id = currentIsolateId();
+    if (id == '') {
+      return null;
+    }
+    return _application.isolateManager.getIsolate(id);
+  }
+
   /// If no anchor is set, set the default anchor and return true.
   /// Return false otherwise.
   bool setDefaultHash() {