- reorganize DartUtils::PrepareForScriptLoading so that it does not have the wait for service load …

runtime/bin/vmservice_impl.cc

Index: runtime/bin/vmservice_impl.cc
diff --git a/runtime/bin/vmservice_impl.cc b/runtime/bin/vmservice_impl.cc
index 836295c11cd9943712e2ff7334a0060f7aec91ca..08fd57a4da7b1798d5e9c9fbe25df72d83ff8e83 100644
--- a/runtime/bin/vmservice_impl.cc
+++ b/runtime/bin/vmservice_impl.cc
@@ -182,14 +182,10 @@ bool VmService::Setup(const char* server_ip,
 
   Dart_Handle result;
 
-  Dart_Handle builtin_lib =
-      Builtin::LoadAndCheckLibrary(Builtin::kBuiltinLibrary);
-  SHUTDOWN_ON_ERROR(builtin_lib);
-
-  // Prepare for script loading by setting up the 'print' and 'timer'
-  // closures and setting up 'package root' for URI resolution.
-  result = DartUtils::PrepareForScriptLoading(
-      NULL, NULL, true, false, builtin_lib);
+  // Prepare builtin and its dependent libraries for use to resolve URIs.
+  // Set up various closures, e.g: printing, timers etc.
+  // Set up 'package root' for URI resolution.
+  result = DartUtils::PrepareForScriptLoading(true, false);
   SHUTDOWN_ON_ERROR(result);
 
   if (running_precompiled) {