Support reloading from source on top of a script snapshot.

runtime/vm/unit_test.cc

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "vm/unit_test.h"
 
 #include <stdio.h>
 
 #include "bin/builtin.h"
 #include "bin/dartutils.h"
@@ skipping 270 matching lines @@
 
 
 Dart_Handle TestCase::TriggerReload() {
   Isolate* isolate = Isolate::Current();
   JSONStream js;
   bool success = false;
   {
     TransitionNativeToVM transition(Thread::Current());
     success = isolate->ReloadSources(&js,
                                      false,  // force_reload
+                                     NULL, NULL,
                                      true);  // dont_delete_reload_context
-    fprintf(stderr, "RELOAD REPORT:\n%s\n", js.ToCString());
+    OS::PrintErr("RELOAD REPORT:\n%s\n", js.ToCString());
   }
 
   if (success) {
     return Dart_FinalizeLoading(false);
   } else {
     return Dart_Null();
   }
 }
 
 
@@ skipping 176 matching lines @@
   }
   // Copy the remainder of in to out.
   while (*in != '\0') {
     *out++ = *in++;
   }
   *out = '\0';
 }
 
 
 }  // namespace dart