Fail if assigned picture buffers != requested.

According to ppp_video_decoder_dev.idl we should fail if the number
of PictureBuffers differs between the request in ProvidePictureBuffers
and the buffers returned by AssignPictureBuffers.

BUG=chromium:231639

Review URL: https://chromiumcodereview.appspot.com/14220007

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@197453 0039d316-1c4b-4281-b951-d872f2087c98
4 files changed