Get rid of most uses of 'Temporary macro' HEAP

src/elements.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 136 matching lines @@
 }
 
 
 static void CopyObjectToObjectElements(FixedArrayBase* from_base,
                                        ElementsKind from_kind,
                                        uint32_t from_start,
                                        FixedArrayBase* to_base,
                                        ElementsKind to_kind,
                                        uint32_t to_start,
                                        int raw_copy_size) {
-  ASSERT(to_base->map() != HEAP->fixed_cow_array_map());
+  ASSERT(to_base->map() !=
+      from_base->GetIsolate()->heap()->fixed_cow_array_map());
   DisallowHeapAllocation no_allocation;
   int copy_size = raw_copy_size;
   if (raw_copy_size < 0) {
     ASSERT(raw_copy_size == ElementsAccessor::kCopyToEnd ||
            raw_copy_size == ElementsAccessor::kCopyToEndAndInitializeToHole);
     copy_size = Min(from_base->length() - from_start,
                     to_base->length() - to_start);
     if (raw_copy_size == ElementsAccessor::kCopyToEndAndInitializeToHole) {
       int start = to_start + copy_size;
       int length = to_base->length() - start;
@@ skipping 1889 matching lines @@
       UNREACHABLE();
       break;
   }
 
   array->set_elements(elms);
   array->set_length(Smi::FromInt(number_of_elements));
   return array;
 }
 
 } }  // namespace v8::internal