Add real_path option to LaunchProcess

base/process/launch.h

Index: base/process/launch.h
diff --git a/base/process/launch.h b/base/process/launch.h
index 20b76fc35e4c1c32764ee04903a18cecd576cd8d..08c273ac5227fbfd178204b17d16832668e3a7df 100644
--- a/base/process/launch.h
+++ b/base/process/launch.h
@@ -68,6 +68,11 @@ struct BASE_EXPORT LaunchOptions {
   // If not empty, change to this directory before executing the new process.
   base::FilePath current_directory;
 
+  // If not empty, launch the specified executable instead of

[Nico, 2016/09/22 17:03:03]

Does this ever make sense on non-posix? Do you know of use cases other than
login shells? If not, I'd make this #if defined(OS_POSIX).

+  // cmdline.GetProgram(). This is useful when it is necessary to pass a custom
+  // argv[0].
+  base::FilePath real_path;
+
 #if defined(OS_WIN)
   bool start_hidden = false;