CommandLine API rework

base/process_util.h

Index: base/process_util.h
diff --git a/base/process_util.h b/base/process_util.h
index 7eabdbe1851a8f81930eb25eb0fbf68576501732..ae38c5a1a57badbc91ae789879017be553675b6a 100644
--- a/base/process_util.h
+++ b/base/process_util.h
@@ -91,8 +91,6 @@ bool LaunchApp(const std::wstring& cmdline,
                bool wait, bool start_hidden, ProcessHandle* process_handle);
 #elif defined(OS_POSIX)
 // Runs the application specified in argv[0] with the command line argv.
-// Both the elements of argv and argv itself must be terminated with a null
-// byte.
 // Before launching all FDs open in the parent process will be marked as
 // close-on-exec.  |fds_to_remap| defines a mapping of src fd->dest fd to
 // propagate FDs into the child process.