Perform TODO(gc) cleanup for TODO-lockdown.

src/serialize.cc

 // Copyright 2011 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 621 matching lines @@
     }
     ASSERT(!maybe_new_allocation->IsFailure());
     Object* new_allocation = maybe_new_allocation->ToObjectUnchecked();
     HeapObject* new_object = HeapObject::cast(new_allocation);
     address = new_object->address();
     high_water_[space_index] = address + size;
   } else {
     ASSERT(SpaceIsLarge(space_index));
     LargeObjectSpace* lo_space = reinterpret_cast<LargeObjectSpace*>(space);
     Object* new_allocation;
-    if (space_index == kLargeData) {
-      new_allocation = lo_space->AllocateRawData(size)->ToObjectUnchecked();
-    } else if (space_index == kLargeFixedArray) {
+    if (space_index == kLargeData || space_index == kLargeFixedArray) {
       new_allocation =
-          lo_space->AllocateRawFixedArray(size)->ToObjectUnchecked();
+          lo_space->AllocateRaw(size, NOT_EXECUTABLE)->ToObjectUnchecked();
     } else {
       ASSERT_EQ(kLargeCode, space_index);
-      new_allocation = lo_space->AllocateRawCode(size)->ToObjectUnchecked();
+      new_allocation =
+          lo_space->AllocateRaw(size, EXECUTABLE)->ToObjectUnchecked();
     }
     HeapObject* new_object = HeapObject::cast(new_allocation);
     // Record all large objects in the same space.
     address = new_object->address();
     pages_[LO_SPACE].Add(address);
   }
   last_object_address_ = address;
   return address;
 }
 
@@ skipping 942 matching lines @@
       fullness_[space] = RoundUp(fullness_[space], Page::kPageSize);
     }
   }
   int allocation_address = fullness_[space];
   fullness_[space] = allocation_address + size;
   return allocation_address;
 }
 
 
 } }  // namespace v8::internal