Oilpan: Enable Oilpan in modules/crypto

This is a straightforward replacement from transition types to real types.

BUG=340522

Review URL: https://codereview.chromium.org/236063013

git-svn-id: svn://svn.chromium.org/blink/trunk@172119 bbb929c8-8fbe-4397-9dbb-9b2b20218538
Remove dead canDetermineWidthWithoutLayout optimization

This optimization didn't work, and we ended up disabling it shortly after
it was enabled. I don't think we ever want to turn it back on, instead
lets just delete it.

Review URL: https://codereview.chromium.org/246443002

git-svn-id: svn://svn.chromium.org/blink/trunk@172120 bbb929c8-8fbe-4397-9dbb-9b2b20218538