Make reloadSources service RPC public

runtime/vm/debugger.h

Index: runtime/vm/debugger.h
diff --git a/runtime/vm/debugger.h b/runtime/vm/debugger.h
index e78e8390603dfbd4170ad8671d1ee762b2ecdf24..f3536c7e7731592c033547158cf53ef8366ed29f 100644
--- a/runtime/vm/debugger.h
+++ b/runtime/vm/debugger.h
@@ -495,6 +495,9 @@ class Debugger {
   // Pause execution due to isolate interrupt.
   RawError* PauseInterrupted();
 
+  // Pause after a reload request.
+  RawError* PausePostRequest();
+
   // Pause execution due to an uncaught exception.
   void PauseException(const Instance& exc);
 
@@ -519,6 +522,8 @@ class Debugger {
     kSingleStep
   };
 
+  RawError* PauseRequest(ServiceEvent::EventKind kind);
+
   bool NeedsIsolateEvents();
   bool NeedsDebugEvents();
   void InvokeEventHandler(ServiceEvent* event);