Revert 157253 - Rev trace-viewer from r144 to r165

Broke ChromeOS check_licences:
http://build.chromium.org/p/chromium.chromiumos/builders/Linux%20ChromiumOS%20Full/builds/4704

Fixes hi-dpi picking in about:tracing

BUG=148562
TBR=jbates@chromium.org

Review URL: https://codereview.chromium.org/10940003

TBR=nduca@chromium.org
Review URL: https://codereview.chromium.org/10910319

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@157268 0039d316-1c4b-4281-b951-d872f2087c98
1 file changed