mac: Delete more 10.5-only code

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 <string.h>
 #include <sys/utsname.h>
@@ skipping 542 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 {
-  LEOPARD_MINOR_VERSION = 5,
   SNOW_LEOPARD_MINOR_VERSION = 6,
   LION_MINOR_VERSION = 7,
   MOUNTAIN_LION_MINOR_VERSION = 8,
 };
 
 }  // namespace
 
-#if !defined(BASE_MAC_MAC_UTIL_H_INLINED_GE_10_6)
-bool IsOSLeopard() {
-  return MacOSXMinorVersion() == LEOPARD_MINOR_VERSION;
-}
-#endif
-
-#if !defined(BASE_MAC_MAC_UTIL_H_INLINED_GE_10_6)
-bool IsOSLeopardOrEarlier() {
-  return MacOSXMinorVersion() <= LEOPARD_MINOR_VERSION;
-}
-#endif
-
 #if !defined(BASE_MAC_MAC_UTIL_H_INLINED_GE_10_7)
 bool IsOSSnowLeopard() {
   return MacOSXMinorVersion() == SNOW_LEOPARD_MINOR_VERSION;
 }
 #endif
 
 #if !defined(BASE_MAC_MAC_UTIL_H_INLINED_GE_10_7)
 bool IsOSSnowLeopardOrEarlier() {
   return MacOSXMinorVersion() <= SNOW_LEOPARD_MINOR_VERSION;
 }
@@ skipping 89 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