old_contents: #!/usr/bin/env python
  
  NODE_VERSION = 'v0.11.10'
  BASE_URL = 'https://gh-contractor-zcbenz.s3.amazonaws.com/libchromiumcontent'
  LIBCHROMIUMCONTENT_COMMIT = '607907aed2c1dcdd3b5968a756a990ba3f47bca7'
  
new_contents: #!/usr/bin/env python
  
  NODE_VERSION = 'v0.11.10'
  BASE_URL = 'https://gh-contractor-zcbenz.s3.amazonaws.com/libchromiumcontent'
  LIBCHROMIUMCONTENT_COMMIT = '276722e68bb643e3ae3b468b701c276aeb884838'
  
subject: Upgrade libchromiumcontent: Add support for acceptsFirstMouse.