Get rid of isolate state.

src/heap/heap.cc

Index: src/heap/heap.cc
diff --git a/src/heap/heap.cc b/src/heap/heap.cc
index 0ccd0ab2f2b86ddab87573070841954d5f53c548..e164a398eb88c4594be8c4e829d4cfa0087c56ab 100644
--- a/src/heap/heap.cc
+++ b/src/heap/heap.cc
@@ -133,7 +133,8 @@ Heap::Heap()
       configured_(false),
       external_string_table_(this),
       chunks_queued_for_free_(NULL),
-      gc_callbacks_depth_(0) {
+      gc_callbacks_depth_(0),
+      deserialization_complete_(false) {
 // Allow build-time customization of the max semispace size. Building
 // V8 with snapshots and a non-default max semispace size is much
 // easier if you can define it as part of the build environment.
@@ -5188,6 +5189,9 @@ void Heap::SetStackLimits() {
 }
 
 
+void Heap::NotifyDeserializationComplete() { deserialization_complete_ = true; }
+
+
 void Heap::TearDown() {
 #ifdef VERIFY_HEAP
   if (FLAG_verify_heap) {