cc: Invalidate eviction cache in cases where we remove/add tiles.

cc: Invalidate eviction cache in cases where we remove/add tiles.

This patch adds more eviction cache invalidations in order to avoid
use after free scenarios. This problem will be fixed by faster eviction
since we won't need the cache, but until that is in place, this is
a necessary fix.

BUG=429201
R=danakj, reveman

Committed: https://crrev.com/e0b723c4ffc47e8bf4242b8713b74c0005ecd6e8
Cr-Commit-Position: refs/heads/master@{#302393}

[vmpstr, 2014-11-01 01:47:22]

ptal

[reveman, 2014-11-01 12:31:39]

lgtm

[vmpstr, 2014-11-01 18:09:26]

The CQ bit was checked by vmpstr@chromium.org

[commit-bot: I haz the power, 2014-11-01 18:09:42]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/687573003/20001

[commit-bot: I haz the power, 2014-11-01 19:45:35]

Committed patchset #2 (id:20001)

[commit-bot: I haz the power, 2014-11-01 19:46:14]

Patchset 2 (id:??) landed as
https://crrev.com/e0b723c4ffc47e8bf4242b8713b74c0005ecd6e8
Cr-Commit-Position: refs/heads/master@{#302393}