Make reloadSources service RPC public

runtime/observatory/tests/service/service_test_common.dart

Index: runtime/observatory/tests/service/service_test_common.dart
diff --git a/runtime/observatory/tests/service/service_test_common.dart b/runtime/observatory/tests/service/service_test_common.dart
index 935d42602d60ee92c86dbad35526792738ef18fa..2a68a528c6b3be88ffd91c24c2f284ea7fa2a59e 100644
--- a/runtime/observatory/tests/service/service_test_common.dart
+++ b/runtime/observatory/tests/service/service_test_common.dart
@@ -144,6 +144,8 @@ bool isEventOfKind(M.Event event, String kind) {
       return event is M.PauseExitEvent;
     case ServiceEvent.kPauseStart:
       return event is M.PauseStartEvent;
+    case ServiceEvent.kPausePostRequest:
+      return event is M.PausePostRequestEvent;
     default:
       return false;
   }
@@ -188,6 +190,10 @@ Future<Isolate> hasStoppedAtBreakpoint(Isolate isolate) {
   return hasPausedFor(isolate, ServiceEvent.kPauseBreakpoint);
 }
 
+Future<Isolate> hasStoppedPostRequest(Isolate isolate) {
+  return hasPausedFor(isolate, ServiceEvent.kPausePostRequest);
+}
+
 Future<Isolate> hasStoppedWithUnhandledException(Isolate isolate) {
   return hasPausedFor(isolate, ServiceEvent.kPauseException);
 }
@@ -200,6 +206,16 @@ Future<Isolate> hasPausedAtStart(Isolate isolate) {
   return hasPausedFor(isolate, ServiceEvent.kPauseStart);
 }
 
+IsolateTest reloadSources([bool pause = false]) {
+    return (Isolate isolate) async {
+      Map<String, dynamic> params = <String, dynamic>{ };
+      if (pause == true) {
+        params['pause'] = pause;
+      }
+      return isolate.invokeRpc('reloadSources', params);
+    };
+}
+
 // Currying is your friend.
 IsolateTest setBreakpointAtLine(int line) {
   return (Isolate isolate) async {
@@ -333,6 +349,11 @@ Future<Isolate> stepOut(Isolate isolate) async {
 }
 
 
+Future isolateIsRunning(Isolate isolate) async {
+  await isolate.reload();
+  expect(isolate.running, true);
+}
+
 Future<Class> getClassFromRootLib(Isolate isolate, String className) async {
   Library rootLib = await isolate.rootLibrary.load();
   for (var i = 0; i < rootLib.classes.length; i++) {