Keep IPC related state as long as readDirectory returns has_more==true

Keep IPC related state as long as readDirectory returns has_more==true

BUG=347900
TEST=run_webkit_tests.sh http/tests/filesystem/\*
TEST=run_webkit_tests.sh http/tests/inspector/filesystem/\*

Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=255287

[kinuko, 2014-03-05 12:33:01]

lgtm

[hashimoto, 2014-03-05 12:34:01]

The CQ bit was checked by hashimoto@chromium.org

[commit-bot: I haz the power, 2014-03-05 12:34:19]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/hashimoto@chromium.org/187393004/1

[commit-bot: I haz the power, 2014-03-05 15:13:12]

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

[commit-bot: I haz the power, 2014-03-05 15:13:13]

Retried try job too often on win_rel for step(s) unit_tests
http://build.chromium.org/p/tryserver.chromium/buildstatus?builder=win_rel&nu...

[hashimoto, 2014-03-06 05:26:53]

The CQ bit was checked by hashimoto@chromium.org

[commit-bot: I haz the power, 2014-03-06 05:27:13]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/hashimoto@chromium.org/187393004/1

[commit-bot: I haz the power, 2014-03-06 10:19:49]

Change committed as 255287