base::mac::IsOSSierra() -> base::mac::IsOS10_12(), etc.

sandbox/mac/pre_exec_delegate.cc

 // Copyright 2015 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 "sandbox/mac/pre_exec_delegate.h"
 
 #include <mach/mach.h>
 #include <servers/bootstrap.h>
 #include <stdint.h>
 
 #include "base/logging.h"
 #include "base/mac/mac_util.h"
 #include "sandbox/mac/bootstrap_sandbox.h"
 #include "sandbox/mac/xpc.h"
 
 namespace sandbox {
 
 PreExecDelegate::PreExecDelegate(
     const std::string& sandbox_server_bootstrap_name,
     uint64_t sandbox_token)
     : sandbox_server_bootstrap_name_(sandbox_server_bootstrap_name),
       sandbox_server_bootstrap_name_ptr_(
           sandbox_server_bootstrap_name_.c_str()),
       sandbox_token_(sandbox_token),
-      is_yosemite_or_later_(base::mac::IsOSYosemiteOrLater()),
-      look_up_message_(CreateBootstrapLookUpMessage()) {
-}
+      is_yosemite_or_later_(base::mac::IsAtLeastOS10_10()),
+      look_up_message_(CreateBootstrapLookUpMessage()) {}
 
 PreExecDelegate::~PreExecDelegate() {}
 
 void PreExecDelegate::RunAsyncSafe() {
   mach_port_t sandbox_server_port = MACH_PORT_NULL;
   kern_return_t kr = DoBootstrapLookUp(&sandbox_server_port);
   if (kr != KERN_SUCCESS)
     RAW_LOG(FATAL, "Failed to look up bootstrap sandbox server port.");
 
   mach_port_t new_bootstrap_port = MACH_PORT_NULL;
@@ skipping 59 matching lines @@
     }
   } else {
     // On non-XPC launchd systems, bootstrap_look_up() is MIG-based and
     // generally safe.
     return bootstrap_look_up(bootstrap_port,
         sandbox_server_bootstrap_name_ptr_, out_port);
   }
 }
 
 }  // namespace sandbox