Progress towards making Zones independent of Isolates and Threads.

src/string-stream.cc

Index: src/string-stream.cc
diff --git a/src/string-stream.cc b/src/string-stream.cc
index bf711bac71e0b95c74db65bc42b524e6db383e9c..270fe5a40d98fae2d5b2214584d2c53110c1b9c8 100644
--- a/src/string-stream.cc
+++ b/src/string-stream.cc
@@ -291,7 +291,7 @@ void StringStream::ClearMentionedObjectCache() {
   isolate->set_string_stream_current_security_token(NULL);
   if (isolate->string_stream_debug_object_cache() == NULL) {
     isolate->set_string_stream_debug_object_cache(
-        new List<HeapObject*, PreallocatedStorage>(0));
+        new List<HeapObject*, PreallocatedStorageAllocationPolicy>(0));
   }
   isolate->string_stream_debug_object_cache()->Clear();
 }