Lower process priorities of backgrounded tabs on restore

BUG=chromium-os:10876,chromium-os:10924
TEST=login (w/auto restore) with a large number of tabs. Verify that system is still responsive.

Review URL: http://codereview.chromium.org/6459003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@74332 0039d316-1c4b-4281-b951-d872f2087c98


CrOS-Libchrome-Original-Commit: 4d6410894307a68dac830021f75355ae7c591822
1 file changed
tree: 299931bc95cdb68db3f90b97e65cdab67a0db3da
  1. base/
  2. build/
  3. ipc/
  4. testing/