Populate canPlayType to renderer

This CL implements the AddKeySystem() call, and using sync IPC to send the results back to the render process.

TBR=jschuh
BUG=224793

Review URL: https://chromiumcodereview.appspot.com/23513055

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@224064 0039d316-1c4b-4281-b951-d872f2087c98


CrOS-Libchrome-Original-Commit: 2b12c3257248d0559c3dd465ed08464200729a6c
1 file changed
tree: 1834d481e019a55cc3092b7e0f215d9d2581522a
  1. base/
  2. build/
  3. components/
  4. dbus/
  5. ipc/
  6. mojo/
  7. testing/
  8. third_party/
  9. ui/