GitLab

The PlatformAppBrowserTest.WindowDotPrintWorks test will only run
automatically for Chrome branded builds because it requires the PDF
plug-in, which isn't provided for Chromium builds. The added comment
explain how to run the test manually for Chromium builds.

TBR=asargent@chromium.org
BUG=none

Review URL: https://chromiumcodereview.appspot.com/23521007

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@221907 0039d316-1c4b-4281-b951-d872f2087c98