Add codereview.settings and OWNERS for pdfium
-rw-r--r-- 366 AUTHORS
-rw-r--r-- 1553 LICENSE
-rw-r--r-- 507 codereview.settings
drwxr-xr-x - core
drwxr-xr-x - fpdfsdk
-rw-r--r-- 36916 pdfium.gyp