GitLab

This showed up in Chrome Traces covering the startup of Chrome for Android.
CRLSet parsing was taking 70ms of CPU on Nexus 4 (although this is happening on
the File thread).
That cost is now down to 18ms. There are certainly further ways to decrease
this even more though.

BUG=376793

Review URL: https://codereview.chromium.org/302643003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@274607 0039d316-1c4b-4281-b951-d872f2087c98