Improve process launch handle sharing API.

mojo/edk/test/multiprocess_test_helper.cc

Index: mojo/edk/test/multiprocess_test_helper.cc
diff --git a/mojo/edk/test/multiprocess_test_helper.cc b/mojo/edk/test/multiprocess_test_helper.cc
index ed96e1d0e98d1befca0a13f9f9bae9a1fed98ecb..3b5cfccc9e844e68fe6cf28a2b13ad79ab61e8eb 100644
--- a/mojo/edk/test/multiprocess_test_helper.cc
+++ b/mojo/edk/test/multiprocess_test_helper.cc
@@ -135,13 +135,10 @@ ScopedMessagePipeHandle MultiprocessTestHelper::StartChildWithExtraSwitch(
 
   base::LaunchOptions options;
 #if defined(OS_POSIX)
-  options.fds_to_remap = &handle_passing_info;
+  options.fds_to_remap = handle_passing_info;
 #elif defined(OS_WIN)
   options.start_hidden = true;
-  if (base::win::GetVersion() >= base::win::VERSION_VISTA)
-    options.handles_to_inherit = &handle_passing_info;
-  else
-    options.inherit_handles = true;
+  options.inherit_mode = base::LaunchOptions::INHERIT_ALL;
 #else
 #error "Not supported yet."
 #endif