Added a Isolate* parameter to Serializer::enabled().

src/objects.cc

 // Copyright 2013 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 10724 matching lines @@
 void SharedFunctionInfo::StartInobjectSlackTracking(Map* map) {
   ASSERT(!IsInobjectSlackTrackingInProgress());
 
   if (!FLAG_clever_optimizations) return;
 
   // Only initiate the tracking the first time.
   if (live_objects_may_exist()) return;
   set_live_objects_may_exist(true);
 
   // No tracking during the snapshot construction phase.
-  if (Serializer::enabled()) return;
+  Isolate* isolate = GetIsolate();
+  if (Serializer::enabled(isolate)) return;
 
   if (map->unused_property_fields() == 0) return;
 
   // Nonzero counter is a leftover from the previous attempt interrupted
   // by GC, keep it.
   if (construction_count() == 0) {
     set_construction_count(kGenerousAllocationCount);
   }
   set_initial_map(map);
-  Builtins* builtins = map->GetHeap()->isolate()->builtins();
+  Builtins* builtins = isolate->builtins();
   ASSERT_EQ(builtins->builtin(Builtins::kJSConstructStubGeneric),
             construct_stub());
   set_construct_stub(builtins->builtin(Builtins::kJSConstructStubCountdown));
 }
 
 
 // Called from GC, hence reinterpret_cast and unchecked accessors.
 void SharedFunctionInfo::DetachInitialMap() {
   Map* map = reinterpret_cast<Map*>(initial_map());
 
@@ skipping 6557 matching lines @@
 #define ERROR_MESSAGES_TEXTS(C, T) T,
   static const char* error_messages_[] = {
       ERROR_MESSAGES_LIST(ERROR_MESSAGES_TEXTS)
   };
 #undef ERROR_MESSAGES_TEXTS
   return error_messages_[reason];
 }
 
 
 } }  // namespace v8::internal