Added Editor stream and sendObjectToEditor RPC into Service Protocol

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 71be259222d6d49af9d65e02e77ecf56f64e4d43..5363fb09e49c4cf5acba8818bdd339f5055bb7d3 100644
--- a/runtime/observatory/lib/src/app/application.dart
+++ b/runtime/observatory/lib/src/app/application.dart
@@ -171,6 +171,7 @@ class ObservatoryApplication {
     _pageRegistry.add(new PortsPage(this));
     _pageRegistry.add(new LoggingPage(this));
     _pageRegistry.add(new TimelinePage(this));
+    _pageRegistry.add(new MemoryDashboardPage(this));
     // Note that ErrorPage must be the last entry in the list as it is
     // the catch all.
     _pageRegistry.add(new ErrorPage(this));