mac: Remove IsOSSnowLeopard().

base/mac/mac_util.h

 // 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.
 
 #ifndef BASE_MAC_MAC_UTIL_H_
 #define BASE_MAC_MAC_UTIL_H_
 
 #include <AvailabilityMacros.h>
 #include <Carbon/Carbon.h>
 #include <stdint.h>
@@ skipping 101 matching lines @@
 
 // Remove the quarantine xattr from the given file. Returns false if there was
 // an error, or true otherwise.
 BASE_EXPORT bool RemoveQuarantineAttribute(const FilePath& file_path);
 
 // Run-time OS version checks. Use these instead of
 // base::SysInfo::OperatingSystemVersionNumbers. Prefer the "OrEarlier" and
 // "OrLater" variants to those that check for a specific version, unless you
 // know for sure that you need to check for a specific version.
 
-// Snow Leopard is Mac OS X 10.6, Darwin 10.
-BASE_EXPORT bool IsOSSnowLeopard();
-
 // Lion is Mac OS X 10.7, Darwin 11.
 BASE_EXPORT bool IsOSLion();
 BASE_EXPORT bool IsOSLionOrEarlier();
 BASE_EXPORT bool IsOSLionOrLater();
 
 // Mountain Lion is Mac OS X 10.8, Darwin 12.
 BASE_EXPORT bool IsOSMountainLion();
 BASE_EXPORT bool IsOSMountainLionOrEarlier();
 BASE_EXPORT bool IsOSMountainLionOrLater();
 
@@ skipping 99 matching lines @@
 // If any error occurs, none of the input pointers are touched.
 BASE_EXPORT bool ParseModelIdentifier(const std::string& ident,
                                       std::string* type,
                                       int32_t* major,
                                       int32_t* minor);
 
 }  // namespace mac
 }  // namespace base
 
 #endif  // BASE_MAC_MAC_UTIL_H_