Make reloadSources service RPC public

runtime/observatory/lib/src/models/objects/event.dart

Index: runtime/observatory/lib/src/models/objects/event.dart
diff --git a/runtime/observatory/lib/src/models/objects/event.dart b/runtime/observatory/lib/src/models/objects/event.dart
index 18f491ef6fb5b12f8a59d74f9d734770c02daf00..9fd73594879cf90ea1ccad2ad583c19cd37e0204 100644
--- a/runtime/observatory/lib/src/models/objects/event.dart
+++ b/runtime/observatory/lib/src/models/objects/event.dart
@@ -16,6 +16,7 @@ abstract class Event {
         event is PauseBreakpointEvent ||
         event is PauseInterruptedEvent ||
         event is PauseExceptionEvent ||
+        event is PausePostRequestEvent ||
         event is NoneEvent;
   }
 }
@@ -88,6 +89,15 @@ abstract class PauseInterruptedEvent extends DebugEvent {
   bool get atAsyncSuspension;
 }
 
+abstract class PausePostRequestEvent extends DebugEvent {
+  /// [optional] The top stack frame associated with this event. There will be
+  /// no top frame if the isolate is idle (waiting in the message loop).
+  Frame get topFrame;
+
+  /// Is the isolate paused at an await, yield, or yield* statement?
+  bool get atAsyncSuspension;
+}
+
 abstract class PauseExceptionEvent extends DebugEvent {
   /// The top stack frame associated with this event.
   Frame get topFrame;