mac: Update knowledge of CFAllocator internals for 10.12

base/mac/mac_util.mm

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "base/mac/mac_util.h"
 
 #import <Cocoa/Cocoa.h>
 #import <IOKit/IOKitLib.h>
 #include <errno.h>
 #include <stddef.h>
@@ skipping 438 matching lines @@
 }
 
 // Returns the running system's Mac OS X minor version. This is the |y| value
 // in 10.y or 10.y.z.
 int MacOSXMinorVersion() {
   static int mac_os_x_minor_version = MacOSXMinorVersionInternal();
   return mac_os_x_minor_version;
 }
 
 enum {
-  SNOW_LEOPARD_MINOR_VERSION = 6,
-  LION_MINOR_VERSION = 7,
-  MOUNTAIN_LION_MINOR_VERSION = 8,
   MAVERICKS_MINOR_VERSION = 9,
   YOSEMITE_MINOR_VERSION = 10,
   EL_CAPITAN_MINOR_VERSION = 11,
+  SIERRA_MINOR_VERSION = 12,
 };
 
 }  // namespace
 
-#if !defined(BASE_MAC_MAC_UTIL_H_INLINED_GT_10_8)
-bool IsOSMountainLion() {
-  return MacOSXMinorVersion() == MOUNTAIN_LION_MINOR_VERSION;
-}
-#endif
-
-#if !defined(BASE_MAC_MAC_UTIL_H_INLINED_GE_10_8)
-bool IsOSMountainLionOrLater() {
-  return MacOSXMinorVersion() >= MOUNTAIN_LION_MINOR_VERSION;
-}
-#endif
-
 #if !defined(BASE_MAC_MAC_UTIL_H_INLINED_GT_10_9)
 bool IsOSMavericks() {
   return MacOSXMinorVersion() == MAVERICKS_MINOR_VERSION;
 }
 #endif
 
 #if !defined(BASE_MAC_MAC_UTIL_H_INLINED_GE_10_9)
 bool IsOSMavericksOrLater() {
   return MacOSXMinorVersion() >= MAVERICKS_MINOR_VERSION;
 }
@@ skipping 16 matching lines @@
   return MacOSXMinorVersion() == EL_CAPITAN_MINOR_VERSION;
 }
 #endif
 
 #if !defined(BASE_MAC_MAC_UTIL_H_INLINED_GE_10_11)
 bool IsOSElCapitanOrLater() {
   return MacOSXMinorVersion() >= EL_CAPITAN_MINOR_VERSION;
 }
 #endif
 
-#if !defined(BASE_MAC_MAC_UTIL_H_INLINED_GT_10_11)
-bool IsOSLaterThanElCapitan_DontCallThis() {
-  return MacOSXMinorVersion() > EL_CAPITAN_MINOR_VERSION;
+#if !defined(BASE_MAC_MAC_UTIL_H_INLINED_GT_10_12)
+bool IsOSSierra() {
+  return MacOSXMinorVersion() == SIERRA_MINOR_VERSION;
 }
 #endif
 
+#if !defined(BASE_MAC_MAC_UTIL_H_INLINED_GE_10_12)
+bool IsOSSierraOrLater() {
+  return MacOSXMinorVersion() >= SIERRA_MINOR_VERSION;
+}
+#endif
+
+#if !defined(BASE_MAC_MAC_UTIL_H_INLINED_GT_10_12)
+bool IsOSLaterThanSierra_DontCallThis() {
+  return MacOSXMinorVersion() > SIERRA_MINOR_VERSION;
+}
+#endif
+
 std::string GetModelIdentifier() {
   std::string return_string;
   ScopedIOObject<io_service_t> platform_expert(
       IOServiceGetMatchingService(kIOMasterPortDefault,
                                   IOServiceMatching("IOPlatformExpertDevice")));
   if (platform_expert) {
     ScopedCFTypeRef<CFDataRef> model_data(
         static_cast<CFDataRef>(IORegistryEntryCreateCFProperty(
             platform_expert,
             CFSTR("model"),
@@ skipping 25 matching lines @@
           StringPiece(begin + comma_loc + 1, ident.end()), &minor_tmp))
     return false;
   *type = ident.substr(0, number_loc);
   *major = major_tmp;
   *minor = minor_tmp;
   return true;
 }
 
 }  // namespace mac
 }  // namespace base