Show log list in chrome://webrtc-logs without requiring the crash report bit.

The logging functionality no longer depends on that bit, so shall not the log list.

BUG=308496
R=jhawkins@chromium.org

Review URL: https://codereview.chromium.org/27711002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@230060 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 230060