Fix script error on disconnect.

Fix script error on disconnect.

Cause:
We set a timer to handle blur event but we do not destroy the timer on
dispose.

Fix:
Wrapped the callback in a base.OneShotTimer and destroyed the timer on
dispose.

BUG=522577
Committed: https://crrev.com/05db7454a08aeb230f34b1c2ed9fd74252e7c71a
Cr-Commit-Position: refs/heads/master@{#369286}

[kelvinp, 2016-01-13 21:40:36]

Patchset #1 (id:1) has been deleted

[kelvinp, 2016-01-13 21:41:17]

kelvinp@chromium.org changed reviewers:
+ jamiewalch@chromium.org

[kelvinp, 2016-01-13 21:41:18]

PTAL

[Jamie, 2016-01-13 21:55:14]

lgtm

[kelvinp, 2016-01-13 22:03:32]

The CQ bit was checked by kelvinp@chromium.org

[commit-bot: I haz the power, 2016-01-13 22:07:36]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1584573006/20001
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1584573006/20001

[commit-bot: I haz the power, 2016-01-14 00:15:20]

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

[commit-bot: I haz the power, 2016-01-14 00:15:20]

Try jobs failed on following builders:
  android_arm64_dbg_recipe on tryserver.chromium.android (JOB_TIMED_OUT, no
build URL)
  android_chromium_gn_compile_dbg on tryserver.chromium.android (JOB_TIMED_OUT,
no build URL)
  android_chromium_gn_compile_rel on tryserver.chromium.android (JOB_TIMED_OUT,
no build URL)
  android_clang_dbg_recipe on tryserver.chromium.android (JOB_TIMED_OUT, no
build URL)
  android_compile_dbg on tryserver.chromium.android (JOB_TIMED_OUT, no build
URL)
  cast_shell_android on tryserver.chromium.android (JOB_TIMED_OUT, no build URL)
  linux_android_rel_ng on tryserver.chromium.android (JOB_TIMED_OUT, no build
URL)
  cast_shell_linux on tryserver.chromium.linux (JOB_TIMED_OUT, no build URL)
  chromeos_amd64-generic_chromium_compile_only_ng on tryserver.chromium.linux
(JOB_TIMED_OUT, no build URL)
  chromeos_daisy_chromium_compile_only_ng on tryserver.chromium.linux
(JOB_TIMED_OUT, no build URL)
  chromeos_x86-generic_chromium_compile_only_ng on tryserver.chromium.linux
(JOB_TIMED_OUT, no build URL)
  chromium_presubmit on tryserver.chromium.linux (JOB_TIMED_OUT, no build URL)
  linux_chromium_asan_rel_ng on tryserver.chromium.linux (JOB_TIMED_OUT, no
build URL)
  linux_chromium_chromeos_compile_dbg_ng on tryserver.chromium.linux
(JOB_TIMED_OUT, no build URL)
  linux_chromium_chromeos_ozone_rel_ng on tryserver.chromium.linux
(JOB_TIMED_OUT, no build URL)
  linux_chromium_chromeos_rel_ng on tryserver.chromium.linux (JOB_TIMED_OUT, no
build URL)
  linux_chromium_clobber_rel_ng on tryserver.chromium.linux (JOB_TIMED_OUT, no
build URL)
  linux_chromium_compile_dbg_32_ng on tryserver.chromium.linux (JOB_TIMED_OUT,
no build URL)
  linux_chromium_compile_dbg_ng on tryserver.chromium.linux (JOB_TIMED_OUT, no
build URL)
  linux_chromium_gn_chromeos_rel on tryserver.chromium.linux (JOB_TIMED_OUT, no
build URL)
  linux_chromium_rel_ng on tryserver.chromium.linux (JOB_TIMED_OUT, no build
URL)
  mac_chromium_compile_dbg_ng on tryserver.chromium.mac (JOB_TIMED_OUT, no build
URL)
  mac_chromium_gn_rel on tryserver.chromium.mac (JOB_TIMED_OUT, no build URL)
  mac_chromium_rel_ng on tryserver.chromium.mac (JOB_TIMED_OUT, no build URL)
  win_chromium_compile_dbg_ng on tryserver.chromium.win (JOB_TIMED_OUT, no build
URL)
  win_chromium_rel_ng on tryserver.chromium.win (JOB_TIMED_OUT, no build URL)
  win_chromium_x64_rel_ng on tryserver.chromium.win (JOB_TIMED_OUT, no build
URL)

[kelvinp, 2016-01-14 00:19:43]

The CQ bit was checked by kelvinp@chromium.org

[commit-bot: I haz the power, 2016-01-14 00:22:47]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1584573006/20001
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1584573006/20001

[commit-bot: I haz the power, 2016-01-14 02:23:26]

Committed patchset #1 (id:20001)

[commit-bot: I haz the power, 2016-01-14 02:24:58]

Description was changed from

==========
Fix script error on disconnect.

Cause:
We set a timer to handle blur event but we do not destroy the timer on
dispose.

Fix:
Wrapped the callback in a base.OneShotTimer and destroyed the timer on
dispose.

BUG=522577
==========

to

==========
Fix script error on disconnect.

Cause:
We set a timer to handle blur event but we do not destroy the timer on
dispose.

Fix:
Wrapped the callback in a base.OneShotTimer and destroyed the timer on
dispose.

BUG=522577

Committed: https://crrev.com/05db7454a08aeb230f34b1c2ed9fd74252e7c71a
Cr-Commit-Position: refs/heads/master@{#369286}
==========

[commit-bot: I haz the power, 2016-01-14 02:24:58]

Patchset 1 (id:??) landed as
https://crrev.com/05db7454a08aeb230f34b1c2ed9fd74252e7c71a
Cr-Commit-Position: refs/heads/master@{#369286}