-Fix display of megamorphic miss function.

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

Index: runtime/observatory/lib/src/app/application.dart
diff --git a/runtime/observatory/lib/src/app/application.dart b/runtime/observatory/lib/src/app/application.dart
index 80e188db9c8a4b4997fe4a7844bac4b0e0723a51..e4c9d6fa748e4150e0b809992dbb0f8c6eda6985 100644
--- a/runtime/observatory/lib/src/app/application.dart
+++ b/runtime/observatory/lib/src/app/application.dart
@@ -224,6 +224,12 @@ class ObservatoryApplication extends Observable {
   }
 
   void handleException(e, st) {
+    if (e is ServerRpcException) {
+      if (e.code == ServerRpcException.kFeatureDisabled) return;
+      if (e.code == ServerRpcException.kVMMustBePaused) return;
+      if (e.code == ServerRpcException.kCannotAddBreakpoint) return;

[Cutch, 2015/10/13 16:23:14]

Maybe log at a fine grained level that we dropped this?

[rmacnak, 2015/10/13 17:26:33]

Done.

+    }
+
     // TODO(turnidge): Report this failure via analytics.
     Logger.root.warning('Caught exception: ${e}\n${st}');
     notifications.add(new Notification.fromException(e, st));