Handling failure of creating PeerConnection factory instead of crashing.
There are valid reasons for the creation to fail, so we should not crash. Unfortunately, there is still no way of reporting an error to the javascript app so we have to silently fail.
BUG=112442,114006,114396
TEST=For example call getUserMedia with a default audio device set to 96 kHz sampling frequency.
Review URL: http://codereview.chromium.org/
9395085
git-svn-id: svn://svn.chromium.org/chrome/trunk/src@122826 0039d316-1c4b-4281-b951-d872f2087c98