989   static const int kHeaderSize = 0;  // Object does not take up any space.  variable
1244   static const int kHeaderSize = kMapOffset + kPointerSize;  variable
2106   static const int kHeaderSize = kElementsOffset + kPointerSize;  variable
2224   static const int kHeaderSize = kLengthOffset + kPointerSize;  variable
3632   static const int kHeaderSize = kSizeOffset + kPointerSize;  variable
3669   static const int kHeaderSize = kExternalPointerOffset + kPointerSize;  variable
4457   static const int kHeaderSize =  variable
5957   static const int kHeaderSize = kGlobalReceiverOffset + kPointerSize;  variable
7153   static const int kHeaderSize = String::kSize;  variable
7739   static const int kHeaderSize = kPaddingOffset;  variable
8212   static const int kHeaderSize         = kPropertyListOffset + kPointerSize;  variable