Add CDM_6.

To match the latest EME spec, add CDM_6 definition to:
- rename ReleaseSession() to CloseSession()
- add RemoveSession()
- remove OnSessionReady()
- add GetUsableKeyIds()
- add OnResolveGetUsableKeyIds()

BUG=358271

Review URL: https://codereview.chromium.org/428303002

git-svn-id: http://src.chromium.org/svn/trunk/deps/cdm@287564 4ff67af0-8c30-449e-8e8b-ad334ec8d88c
1 file changed
tree: 523b3f81d25583d86f6428237e616846d2b195d5
  1. codereview.settings
  2. content_decryption_module.h
  3. OWNERS
  4. README