include_rules = [
  "+base",
  "+ipc",

  # These files are really Chrome-only and we don't want to expose them, but
  # we need to use them for the proxy. Allow the code here to pull these
  # headers (which don't depend on anything else).
  "+webkit/plugins/ppapi/ppb_pdf.h",
  "+webkit/plugins/ppapi/ppb_flash.h",

  # We don't want the proxy to depend on the C++ layer, which is appropriate
  # for plugins only. However, the completion callback factory is a very useful
  # tool that we would otherwise have to duplicate, and has no other
  # dependencies, so we allow that.
  "-ppapi/cpp",
  "+ppapi/cpp/completion_callback.h"
]