| Index: base/sys_info_mac.cc
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| diff --git a/base/sys_info_mac.cc b/base/sys_info_mac.cc
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| new file mode 100644
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| index 0000000000000000000000000000000000000000..6774871ece949d9ac611fb656fb08a5bd56e328c
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| --- /dev/null
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| +++ b/base/sys_info_mac.cc
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| @@ -0,0 +1,46 @@
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| +// Copyright (c) 2009 The Chromium Authors. All rights reserved.
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| +// Use of this source code is governed by a BSD-style license that can be
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| +// found in the LICENSE file.
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| +
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| +#include "base/sys_info.h"
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| +
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| +#include "CoreServices/CoreServices.h"
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| +
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| +namespace base {
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| +
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| +// static
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| +void SysInfo::OperatingSystemVersionNumbers(int32 *major_version, 
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| +                                            int32 *minor_version,
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| +                                            int32 *bugfix_version) {
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| +  static bool is_initialized = false;
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| +  static int32 major_version_cached = 0;
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| +  static int32 minor_version_cached = 0;
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| +  static int32 bugfix_version_cached = 0;
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| +
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| +  if (!is_initialized) {
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| +    // Gestalt can't be called in the sandbox, so we cache its return value.
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| +    Gestalt(gestaltSystemVersionMajor, 
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| +        reinterpret_cast<SInt32*>(&major_version_cached));
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| +    Gestalt(gestaltSystemVersionMinor, 
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| +        reinterpret_cast<SInt32*>(&minor_version_cached));
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| +    Gestalt(gestaltSystemVersionBugFix, 
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| +        reinterpret_cast<SInt32*>(&bugfix_version_cached));
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| +    is_initialized = true;
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| +  }
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| +
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| +  *major_version = major_version_cached;
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| +  *minor_version = minor_version_cached;
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| +  *bugfix_version = bugfix_version_cached;
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| +}
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| +
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| +// static
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| +void SysInfo::CacheSysInfo() {
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| +  // Due to startup time concerns [premature optimization?] we only cache values
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| +  // from functions we know to be called in the renderer & fail when the sandbox
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| +  // is enabled.
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| +  NumberOfProcessors();
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| +  int32 dummy;
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| +  OperatingSystemVersionNumbers(&dummy, &dummy, &dummy);
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| +}
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| +
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| +}  // namespace base
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| 
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