Add stdin_handle and stdout_handle in base::LaunchOptions.

base/process_util_win.cc

Index: base/process_util_win.cc
diff --git a/base/process_util_win.cc b/base/process_util_win.cc
index a1a55ea6e4b73abd8a571f263aa66c24c9cf01fd..3addf51b669030ea635ffa28f5cdac7faf5f5675 100644
--- a/base/process_util_win.cc
+++ b/base/process_util_win.cc
@@ -293,6 +293,17 @@ bool LaunchProcess(const string16& cmdline,
   startup_info.dwFlags = STARTF_USESHOWWINDOW;
   startup_info.wShowWindow = options.start_hidden ? SW_HIDE : SW_SHOW;
 
+  if (options.stdin_handle || options.stdout_handle || options.stderr_handle) {
+    DCHECK(options.inherit_handles);
+    DCHECK(options.stdin_handle);
+    DCHECK(options.stdout_handle);
+    DCHECK(options.stderr_handle);
+    startup_info.dwFlags |= STARTF_USESTDHANDLES;
+    startup_info.hStdInput = options.stdin_handle;
+    startup_info.hStdOutput = options.stdout_handle;
+    startup_info.hStdError = options.stderr_handle;
+  }
+
   DWORD flags = 0;
 
   if (options.job_handle) {