ref: 3dc19feb29e2a8354a6103cb2b5e3a3a9c44eb18
dir: /third_party/libwebm/README.libvpx/
URL: https://chromium.googlesource.com/webm/libwebm Version: 476366249e1fda7710a389cd41c57db42305e0d4 License: BSD License File: LICENSE.txt Description: libwebm is used to handle WebM container I/O. Local Changes: * <none>