- Implement package map parameter when spawning isolate.

runtime/bin/dartutils.h

Index: runtime/bin/dartutils.h
diff --git a/runtime/bin/dartutils.h b/runtime/bin/dartutils.h
index 3118950ba54ab4067cbb919059ddda738527e2ea..d337a101be8ea234674f0ba134f11c0fd0384670 100644
--- a/runtime/bin/dartutils.h
+++ b/runtime/bin/dartutils.h
@@ -129,6 +129,7 @@ class DartUtils {
                                            bool is_service_isolate,
                                            bool trace_loading,
                                            const char* package_root,
+                                           const char** package_map,
                                            const char* packages_file);
   static Dart_Handle PrepareCoreLibrary(Dart_Handle core_lib,
                                  Dart_Handle builtin_lib,
@@ -138,6 +139,7 @@ class DartUtils {
   static Dart_Handle PrepareIOLibrary(Dart_Handle io_lib);
   static Dart_Handle PrepareIsolateLibrary(Dart_Handle isolate_lib);
   static Dart_Handle PrepareForScriptLoading(const char* package_root,
+                                             const char** package_map,
                                              const char* packages_file,
                                              bool is_service_isolate,
                                              bool trace_loading,