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

sandbox/mac/pre_exec_delegate.cc

Index: sandbox/mac/pre_exec_delegate.cc
diff --git a/sandbox/mac/pre_exec_delegate.cc b/sandbox/mac/pre_exec_delegate.cc
index 9d777d3f4d00d50f38b9874c87dcb6228cf5c9ea..1aac68be87ed8761bbaf19b8f69509bd1d73b1e3 100644
--- a/sandbox/mac/pre_exec_delegate.cc
+++ b/sandbox/mac/pre_exec_delegate.cc
@@ -22,9 +22,8 @@ PreExecDelegate::PreExecDelegate(
       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() {}