sgraham/ninja — comment on commit ccbaf9be662093c6877f1c2758b0a969901082ef
File:  line 0
By sgraham:

Shrug, up to you I guess. Win32 APIs accept both, so it seems reasonable to do so here. For Chromium, it's probably not a big deal as I can make gyp emit one or the other as long as I can tell what part of the input is actually paths.