[DevTools] Node.js compatibility

1. CodeGenerator.py correctly detects directory structure.
2. Initializer lists are no longer used with std::vector

BUG=628794

Review-Url: https://codereview.chromium.org/2155413002
Cr-Original-Commit-Position: refs/heads/master@{#406302}
Cr-Mirrored-From: https://chromium.googlesource.com/chromium/src
Cr-Mirrored-Commit: 1321cc19c5cf167da9e4420256dab65c28bef2fd
1 file changed