- Implement package map parameter when spawning isolate.

runtime/bin/vmservice_dartium.cc

Index: runtime/bin/vmservice_dartium.cc
diff --git a/runtime/bin/vmservice_dartium.cc b/runtime/bin/vmservice_dartium.cc
index 195a6cee6959e60a00d661d406ab92e7fcf64161..40e61efd165f3774299532c06672c788ec3c6c2b 100644
--- a/runtime/bin/vmservice_dartium.cc
+++ b/runtime/bin/vmservice_dartium.cc
@@ -65,7 +65,7 @@ Dart_Isolate VmServiceServer::CreateIsolate(const uint8_t* snapshot_buffer) {
   // 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);
+      NULL, NULL, NULL, true, false, builtin_lib);
   CHECK_RESULT(result);
 
   ASSERT(Dart_IsServiceIsolate(isolate));