Make ClassFinalizer indifferent on whether we are generating a snapshot or not.

runtime/vm/unit_test.cc

Index: runtime/vm/unit_test.cc
===================================================================
--- runtime/vm/unit_test.cc	(revision 11113)
+++ runtime/vm/unit_test.cc	(working copy)
@@ -215,7 +215,8 @@
                                      const Script& script) {
   Isolate* isolate = Isolate::Current();
   ASSERT(isolate != NULL);
-  const Error& error = Error::Handle(Compiler::Compile(library, script));
+  const Error& error = Error::Handle(Compiler::Compile(
+      library, script, ClassFinalizer::kNotGeneratingSnapshot));
   return error.IsNull();
 }