Comment 3 for bug 731520

Copied lucid and maverick to -proposed for libvpx and chromium-browser. Tested with QRT (test-libvpx.py and test-browser.py) on amd64 and it passes all tests (minus a small regression in the ogg/audio player where it plays bug doesn't advance the display until mouseover. I'm told by fta and micahg that this is fixed upstream and not release critical).