Replace VideoRendererBase Get/PutCurrentFrame() with a VideoFrame-containing callback.

BUG=108435

Review URL: https://codereview.chromium.org/12096081

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@180578 0039d316-1c4b-4281-b951-d872f2087c98
9 files changed