Make unique id to all scripts work with snapshot

src/heap-inl.h

 // Copyright 2006-2008 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 193 matching lines @@
 void Heap::SetKeyedLookupCache(LookupCache* cache) {
   keyed_lookup_cache_ = cache;
 }
 
 
 void Heap::ClearKeyedLookupCache() {
   keyed_lookup_cache_ = undefined_value();
 }
 
 
+void Heap::SetLastScriptId(Object* last_script_id) {
+  last_script_id_ = last_script_id;
+}
+
+
 #define GC_GREEDY_CHECK() \
   ASSERT(!FLAG_gc_greedy || v8::internal::Heap::GarbageCollectionGreedyCheck())
 
 
 // Calls the FUNCTION_CALL function and retries it up to three times
 // to guarantee that any allocations performed during the call will
 // succeed if there's enough memory.
 
 // Warning: Do not use the identifiers __object__ or __scope__ in a
 // call to this macro.
@@ skipping 48 matching lines @@
   allocation_allowed_ = new_state;
   return old;
 }
 
 #endif
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_HEAP_INL_H_