check for codec null pointer when printing error message
BUG=68115
TEST=media_bench.exe --verbose=48 --stream=audio out.webm.68798.1929 should print Error: Could not open codec (NULL) for c:\work\out.webm.68798.1929

Review URL: http://codereview.chromium.org/6044008

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@70412 0039d316-1c4b-4281-b951-d872f2087c98
1 file changed