tree d23ad5bfde9a04700c6e301cf0e2820bad564146
parent f88df948fc7821e33b3165bb969b2b9cb38a8b49
author Bryan Mawhinney <bryanmawhinney@google.com> 1298042581 +0000
committer Bryan Mawhinney <bryanmawhinney@google.com> 1298042581 +0000

Don't treat prefetched cards as visible.

Previously, prefetched cards were considered visible,
which is inefficient when the number of cards to prefetch is
large, and can confuse the hit detection logic (see b3468797)

Change-Id: I91e150c52b88608eb8627edc8cce30ecfb44e672