Simplify pending message script handling.

src/serialize.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/v8.h"
 
 #include "src/accessors.h"
 #include "src/api.h"
 #include "src/base/platform/platform.h"
 #include "src/bootstrapper.h"
@@ skipping 86 matching lines @@
       "store_buffer_top");
   Add(ExternalReference::address_of_the_hole_nan().address(), "the_hole_nan");
   Add(ExternalReference::get_date_field_function(isolate).address(),
       "JSDate::GetField");
   Add(ExternalReference::date_cache_stamp(isolate).address(),
       "date_cache_stamp");
   Add(ExternalReference::address_of_pending_message_obj(isolate).address(),
       "address_of_pending_message_obj");
   Add(ExternalReference::address_of_has_pending_message(isolate).address(),
       "address_of_has_pending_message");
-  Add(ExternalReference::address_of_pending_message_script(isolate).address(),
-      "pending_message_script");
   Add(ExternalReference::get_make_code_young_function(isolate).address(),
       "Code::MakeCodeYoung");
   Add(ExternalReference::cpu_features().address(), "cpu_features");
   Add(ExternalReference::old_pointer_space_allocation_top_address(isolate)
           .address(),
       "Heap::OldPointerSpaceAllocationTopAddress");
   Add(ExternalReference::old_pointer_space_allocation_limit_address(isolate)
           .address(),
       "Heap::OldPointerSpaceAllocationLimitAddress");
   Add(ExternalReference::old_data_space_allocation_top_address(isolate)
@@ skipping 2442 matching lines @@
   DisallowHeapAllocation no_gc;
   SerializedCodeData* scd = new SerializedCodeData(cached_data);
   SanityCheckResult r = scd->SanityCheck(isolate, source);
   if (r == CHECK_SUCCESS) return scd;
   cached_data->Reject();
   source->GetIsolate()->counters()->code_cache_reject_reason()->AddSample(r);
   delete scd;
   return NULL;
 }
 } }  // namespace v8::internal