Update OOM killer.

third_party/apple_apsl/CFBase.h

 /*
  * Copyright (c) 2009 Apple Inc. All rights reserved.
  *
  * @APPLE_LICENSE_HEADER_START@
  * 
  * This file contains Original Code and/or Modifications of Original Code
  * as defined in and that are subject to the Apple Public Source License
  * Version 2.0 (the 'License'). You may not use this file except in
  * compliance with the License. Please obtain a copy of the License at
  * http://www.opensource.apple.com/apsl/ and read it before using this
@@ skipping 12 matching lines @@
 /*      CFBase.c
         Copyright (c) 1998-2009, Apple Inc. All rights reserved.
         Responsibility: Christopher Kane
 */
 
 #ifndef THIRD_PARTY_APPLE_APSL_CFBASE_H_
 #define THIRD_PARTY_APPLE_APSL_CFBASE_H_
 
 #include "CFRuntime.h"
 
-struct ChromeCFAllocator {
-
-
+struct ChromeCFAllocator9and10 {
     ChromeCFRuntimeBase _base;
 #if DEPLOYMENT_TARGET_MACOSX || DEPLOYMENT_TARGET_EMBEDDED
     size_t (*size)(struct _malloc_zone_t *zone, const void *ptr); /* returns the size of a block or 0 if not in this zone; must be fast, especially for negative answers */
     void *(*malloc)(struct _malloc_zone_t *zone, size_t size);
     void *(*calloc)(struct _malloc_zone_t *zone, size_t num_items, size_t size); /* same as malloc, but block returned is set to zero */
     void *(*valloc)(struct _malloc_zone_t *zone, size_t size); /* same as malloc, but block returned is set to zero and is guaranteed to be page aligned */
     void (*free)(struct _malloc_zone_t *zone, void *ptr);
     void *(*realloc)(struct _malloc_zone_t *zone, void *ptr, size_t size);
     void (*destroy)(struct _malloc_zone_t *zone); /* zone is destroyed and all memory reclaimed */
     const char  *zone_name;
     unsigned (*batch_malloc)(struct _malloc_zone_t *zone, size_t size, void **results, unsigned num_requested); /* given a size, returns pointers capable of holding that size; returns the number of pointers allocated (maybe 0 or less than num_requested) */
     void (*batch_free)(struct _malloc_zone_t *zone, void **to_be_freed, unsigned num_to_be_freed); /* frees all the pointers in to_be_freed; note that to_be_freed may be overwritten during the process */
     struct malloc_introspection_t       *introspect;
     void        *reserved5;
 #endif
     CFAllocatorRef _allocator;
     CFAllocatorContext _context;
 };
 
+// TODO(avi): update upon source release; http://crbug.com/74589
+struct ChromeCFAllocator11 {
+  ChromeCFRuntimeBase _base;
+  // CFAllocator in Darwin 9 included a complete copy of _malloc_zone_t. The
+  // version in Darwin 10 had an abbreviated _malloc_zone_t that ended after the
+  // version/"reserved" field (see above). Darwin 11 appears to have a truncated
+  // _malloc_zone_t as well, but two fields larger than 9/10.
+  void* presumedSizeFunctionPtr;
+  void* presumedMallocFunctionPtr;
+  void* presumedCallocFunctionPtr;
+  void* presumedVallocFunctionPtr;
+  void* presumedFreeFunctionPtr;
+  void* presumedReallocFunctionPtr;
+  void* presumedDestroyFunctionPtr;
+  const char *zone_name;
+  void* presumedBatchMallocFunctionPtr;
+  void* presumedBatchFreeFunctionPtr;
+  void* presumedIntrospectStructPtr;
+  void* presumedReservedSlashVersion;  // always 6 in CFAllocators
+  void* presumedMemalignFunctionPtr;
+  void* presumedFreeDefiniteSizeFunctionPtr;
+  CFAllocatorRef _allocator;
+  CFAllocatorContext _context;
+};
+
 #endif  // THIRD_PARTY_APPLE_APSL_CFBASE_H_