Port demuxer benchmark to media_perftests.

BUG=310837

Review URL: https://codereview.chromium.org/41703003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@232309 0039d316-1c4b-4281-b951-d872f2087c98
This is a speculative fix to 311691. TemplateURLService's dtor is getting called before ProfileSyncService's, and it's causing a problems. Since, TemplateURLService doesn't do any work in its dtor anymore, this shouldn't be needed.

BUG=311691

Review URL: https://codereview.chromium.org/45173002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@232310 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 232309
SVN changes up to revision 232310