TextLine cache is used, even for long lines of text.

Bug 3381368

The 250 characters limit is passed for long URLs. There are only 3
TextLine objects, so their total size is not an issue. Recycle long
lines as well to make sure we fill the cache and avoid object creation.

Change-Id: I843bf623594312a0fcf0edbb13b7cd64cce0ddd1