Get rid of obsolete unchecked accessors.

src/serialize.cc

 // Copyright 2012 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 1279 matching lines @@
     HowToCode how_to_code,
     WhereToPoint where_to_point,
     int skip) {
   CHECK(o->IsHeapObject());
   HeapObject* heap_object = HeapObject::cast(o);
 
   if (heap_object->IsMap()) {
     // The code-caches link to context-specific code objects, which
     // the startup and context serializes cannot currently handle.
     ASSERT(Map::cast(heap_object)->code_cache() ==
-           heap_object->GetHeap()->raw_unchecked_empty_fixed_array());
+           heap_object->GetHeap()->empty_fixed_array());
   }
 
   int root_index;
   if ((root_index = RootIndex(heap_object, how_to_code)) != kInvalidRootIndex) {
     PutRoot(root_index, heap_object, how_to_code, where_to_point, skip);
     return;
   }
 
   if (ShouldBeInThePartialSnapshotCache(heap_object)) {
     if (skip != 0) {
@@ skipping 308 matching lines @@
 
 bool SnapshotByteSource::AtEOF() {
   if (0u + length_ - position_ > 2 * sizeof(uint32_t)) return false;
   for (int x = position_; x < length_; x++) {
     if (data_[x] != SerializerDeserializer::nop()) return false;
   }
   return true;
 }
 
 } }  // namespace v8::internal