Improve process launch handle sharing API.

components/browser_watcher/window_hang_monitor_win_unittest.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 "components/browser_watcher/window_hang_monitor_win.h"
 
 #include <memory>
 
 #include "base/base_paths.h"
 #include "base/base_switches.h"
@@ skipping 344 matching lines @@
 
     base::CommandLine command_line =
         base::GetMultiProcessTestChildBaseCommandLine();
     command_line.AppendSwitchASCII(switches::kTestChildProcess,
                                    "MonitoredProcess");
 
     AppendSwitchHandle(&command_line, kChildReadPipeSwitch, child_read_pipe);
     AppendSwitchHandle(&command_line, kChildWritePipeSwitch, child_write_pipe);
 
     base::LaunchOptions options = {};
-    options.inherit_handles = true;
+    options.inherit_mode = base::LaunchOptions::Inherit::kAll;

[jschuh, 2017/07/24 19:41:27]

Leave a TODO here.

     monitored_process_ = base::LaunchProcess(command_line, options);
     if (!monitored_process_.IsValid())
       return false;
 
     return WaitForSignal(IPC_SIGNAL_READY);
   }
 
   void StartHangMonitor() {
     monitor_thread_.Start(monitored_process_.Duplicate());
   }
@@ skipping 93 matching lines @@
 
   ASSERT_TRUE(SendSignal(IPC_SIGNAL_HANG_MESSAGE_WINDOW));
 
   EXPECT_EQ(WindowHangMonitor::WINDOW_HUNG,
             monitor_thread().WaitForEvent());
 
   ASSERT_TRUE(SendSignal(IPC_SIGNAL_TERMINATE_PROCESS));
 }
 
 }  // namespace browser_watcher