Mac: Avoid deprecated use of ::Gestalt() in base/sys_info_mac

base/sys_info_mac.cc

-// 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/sys_info.h"
-
-#include <ApplicationServices/ApplicationServices.h>
-#include <CoreServices/CoreServices.h>
-#include <mach/mach_host.h>
-#include <mach/mach_init.h>
-#include <stddef.h>
-#include <stdint.h>
-#include <sys/sysctl.h>
-#include <sys/types.h>
-
-#include "base/logging.h"
-#include "base/mac/scoped_mach_port.h"
-#include "base/macros.h"
-#include "base/strings/stringprintf.h"
-
-namespace base {
-
-// static
-std::string SysInfo::OperatingSystemName() {
-  return "Mac OS X";
-}
-
-// static
-std::string SysInfo::OperatingSystemVersion() {
-  int32_t major, minor, bugfix;
-  OperatingSystemVersionNumbers(&major, &minor, &bugfix);
-  return base::StringPrintf("%d.%d.%d", major, minor, bugfix);
-}
-
-// static
-void SysInfo::OperatingSystemVersionNumbers(int32_t* major_version,
-                                            int32_t* minor_version,
-                                            int32_t* bugfix_version) {
-  Gestalt(gestaltSystemVersionMajor,
-      reinterpret_cast<SInt32*>(major_version));
-  Gestalt(gestaltSystemVersionMinor,
-      reinterpret_cast<SInt32*>(minor_version));
-  Gestalt(gestaltSystemVersionBugFix,
-      reinterpret_cast<SInt32*>(bugfix_version));
-}
-
-// static
-int64_t SysInfo::AmountOfPhysicalMemory() {
-  struct host_basic_info hostinfo;
-  mach_msg_type_number_t count = HOST_BASIC_INFO_COUNT;
-  base::mac::ScopedMachSendRight host(mach_host_self());
-  int result = host_info(host.get(),
-                         HOST_BASIC_INFO,
-                         reinterpret_cast<host_info_t>(&hostinfo),
-                         &count);
-  if (result != KERN_SUCCESS) {
-    NOTREACHED();
-    return 0;
-  }
-  DCHECK_EQ(HOST_BASIC_INFO_COUNT, count);
-  return static_cast<int64_t>(hostinfo.max_mem);
-}
-
-// static
-int64_t SysInfo::AmountOfAvailablePhysicalMemory() {
-  base::mac::ScopedMachSendRight host(mach_host_self());
-  vm_statistics_data_t vm_info;
-  mach_msg_type_number_t count = HOST_VM_INFO_COUNT;
-
-  if (host_statistics(host.get(),
-                      HOST_VM_INFO,
-                      reinterpret_cast<host_info_t>(&vm_info),
-                      &count) != KERN_SUCCESS) {
-    NOTREACHED();
-    return 0;
-  }
-
-  return static_cast<int64_t>(vm_info.free_count - vm_info.speculative_count) *
-         PAGE_SIZE;
-}
-
-// static
-std::string SysInfo::CPUModelName() {
-  char name[256];
-  size_t len = arraysize(name);
-  if (sysctlbyname("machdep.cpu.brand_string", &name, &len, NULL, 0) == 0)
-    return name;
-  return std::string();
-}
-
-std::string SysInfo::HardwareModelName() {
-  char model[256];
-  size_t len = sizeof(model);
-  if (sysctlbyname("hw.model", model, &len, NULL, 0) == 0)
-    return std::string(model, 0, len);
-  return std::string();
-}
-
-}  // namespace base