NULLHandle         58 base/memory/shared_memory_nacl.cc SharedMemoryHandle SharedMemory::NULLHandle() {
NULLHandle         92 base/memory/shared_memory_posix.cc SharedMemoryHandle SharedMemory::NULLHandle() {
NULLHandle         80 base/memory/shared_memory_win.cc SharedMemoryHandle SharedMemory::NULLHandle() {