Changes view manager to report visibility and drawn state

Changes view manager to report visibility and drawn state

Visibility tracks whether the view itself is visible and drawn whether
all the views ancestors are visible and connected to the root.

BUG=none
TEST=none
R=ben@chromium.org

Committed: https://crrev.com/949e46b9b265ed9c0fe2c261ab83ffd67b0e2552
Cr-Commit-Position: refs/heads/master@{#293949}

[Ben Goodger (Google), 2014-09-09 01:00:17]

lgtm

[sky, 2014-09-09 14:40:57]

The CQ bit was checked by sky@chromium.org

[commit-bot: I haz the power, 2014-09-09 14:41:28]

CQ is trying da patch. Follow status at
 https://chromium-status.appspot.com/cq/sky@chromium.org/557573002/40001

[commit-bot: I haz the power, 2014-09-09 14:45:48]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2014-09-09 14:45:49]

Try jobs failed on following builders:
  android_dbg_tests_recipe on tryserver.chromium.linux
(http://build.chromium.org/p/tryserver.chromium.linux/builders/android_dbg_tes...)
  ios_dbg_simulator on tryserver.chromium.mac
(http://build.chromium.org/p/tryserver.chromium.mac/builders/ios_dbg_simulator...)
  ios_rel_device on tryserver.chromium.mac
(http://build.chromium.org/p/tryserver.chromium.mac/builders/ios_rel_device/bu...)
  ios_rel_device_ninja on tryserver.chromium.mac
(http://build.chromium.org/p/tryserver.chromium.mac/builders/ios_rel_device_ni...)
  mac_chromium_rel_swarming on tryserver.chromium.mac
(http://build.chromium.org/p/tryserver.chromium.mac/builders/mac_chromium_rel_...)

[sky, 2014-09-09 15:17:07]

The CQ bit was checked by sky@chromium.org

[commit-bot: I haz the power, 2014-09-09 15:17:50]

CQ is trying da patch. Follow status at
 https://chromium-status.appspot.com/cq/sky@chromium.org/557573002/60001

[commit-bot: I haz the power, 2014-09-09 16:22:15]

Committed patchset #4 (id:60001) as 61792d94a7b55f22e002962c76e15b85e3207aa8

[commit-bot: I haz the power, 2014-09-10 03:53:41]

Patchset 4 (id:??) landed as
https://crrev.com/949e46b9b265ed9c0fe2c261ab83ffd67b0e2552
Cr-Commit-Position: refs/heads/master@{#293949}