Improve process launch handle sharing API.

chrome/browser/safe_browsing/chrome_cleaner/chrome_cleaner_runner_win.cc

Index: chrome/browser/safe_browsing/chrome_cleaner/chrome_cleaner_runner_win.cc
diff --git a/chrome/browser/safe_browsing/chrome_cleaner/chrome_cleaner_runner_win.cc b/chrome/browser/safe_browsing/chrome_cleaner/chrome_cleaner_runner_win.cc
index e5066b40a58ffd29e9478df4a5546e1ca73c0227..30454fb1bc866bbf6fb0363c66b938bbecad338a 100644
--- a/chrome/browser/safe_browsing/chrome_cleaner/chrome_cleaner_runner_win.cc
+++ b/chrome/browser/safe_browsing/chrome_cleaner/chrome_cleaner_runner_win.cc
@@ -142,11 +142,9 @@ ChromeCleanerRunner::LaunchAndWaitForExitOnBackgroundThread() {
       chrome_cleaner::kChromeMojoPipeTokenSwitch, mojo_pipe_token);
 
   mojo::edk::PlatformChannelPair channel;
-  base::HandlesToInheritVector handles_to_inherit;
-  channel.PrepareToPassClientHandleToChildProcess(&cleaner_command_line_,
-                                                  &handles_to_inherit);
   base::LaunchOptions launch_options;
-  launch_options.handles_to_inherit = &handles_to_inherit;
+  channel.PrepareToPassClientHandleToChildProcess(
+      &cleaner_command_line_, &launch_options.handles_to_inherit);
 
   base::Process cleaner_process =
       g_test_delegate