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 8724e4454dc151e4ee017dd437cc6718c648a1e6..f31e5f058f28441eb049c27636cb335e9d12b8ba 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
@@ -151,11 +151,9 @@ 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