[bootstrapper] no longer use outdated contexts list.

src/snapshot/snapshot-common.cc

Index: src/snapshot/snapshot-common.cc
diff --git a/src/snapshot/snapshot-common.cc b/src/snapshot/snapshot-common.cc
index 553d8b46fcce59d3041c0e7ead882cdc2a6f2d9d..97e7c6b506576bddfbd7c7c8e14a774e7f86291f 100644
--- a/src/snapshot/snapshot-common.cc
+++ b/src/snapshot/snapshot-common.cc
@@ -66,8 +66,7 @@ bool Snapshot::Initialize(Isolate* isolate) {
 
 
 MaybeHandle<Context> Snapshot::NewContextFromSnapshot(
-    Isolate* isolate, Handle<JSGlobalProxy> global_proxy,
-    Handle<FixedArray>* outdated_contexts_out) {
+    Isolate* isolate, Handle<JSGlobalProxy> global_proxy) {
   if (!isolate->snapshot_available()) return Handle<Context>();
   base::ElapsedTimer timer;
   if (FLAG_profile_deserialization) timer.Start();
@@ -77,8 +76,8 @@ MaybeHandle<Context> Snapshot::NewContextFromSnapshot(
   SnapshotData snapshot_data(context_data);
   Deserializer deserializer(&snapshot_data);
 
-  MaybeHandle<Object> maybe_context = deserializer.DeserializePartial(
-      isolate, global_proxy, outdated_contexts_out);
+  MaybeHandle<Object> maybe_context =
+      deserializer.DeserializePartial(isolate, global_proxy);
   Handle<Object> result;
   if (!maybe_context.ToHandle(&result)) return MaybeHandle<Context>();
   CHECK(result->IsContext());