DevTools: cleanup occurences of selection.getRangeAt to avoid NPE

DevTools: cleanup occurences of selection.getRangeAt to avoid NPE

This is a follow-up patch to https://crrev.com/1881233002/
which cleans up the rest of selection.getRangeAt occurences
in the front-end.

BUG=595100
R=dgozman, pfeldman_ooo

Committed: https://crrev.com/03c78a1961eb22e25ed8f2f136a35b6fb8098a2b
Cr-Commit-Position: refs/heads/master@{#387199}

[lushnikov, 2016-04-12 22:05:10]

Description was changed from

==========
DevTools: cleanup occurences of selection.getRangeAt to avoid NPE

The patch works around the bug in the blink selection API, when the
selection.rangeCount returns 1, but selection.getRangeAt(0) still returns
null.

BUG=595100
R=dgozman, pfeldman_ooo
==========

to

==========
DevTools: cleanup occurences of selection.getRangeAt to avoid NPE

This is a follow-up patch to https://crrev.com/1881233002/
which cleans up the rest of selection.getRangeAt occurences
in the front-end.

BUG=595100
R=dgozman, pfeldman_ooo
==========

[lushnikov, 2016-04-12 22:05:28]

ptal

[lushnikov, 2016-04-12 22:05:34]

The CQ bit was checked by lushnikov@chromium.org to run a CQ dry run

[commit-bot: I haz the power, 2016-04-12 22:06:09]

Dry run: CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1879163003/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1879163003/1

[dgozman, 2016-04-12 22:29:21]

lgtm

[commit-bot: I haz the power, 2016-04-12 23:03:56]

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

[commit-bot: I haz the power, 2016-04-12 23:03:57]

Dry run: Try jobs failed on following builders:
  win_chromium_x64_rel_ng on tryserver.chromium.win (JOB_FAILED,
http://build.chromium.org/p/tryserver.chromium.win/builders/win_chromium_x64_...)

[lushnikov, 2016-04-14 00:07:35]

The CQ bit was checked by lushnikov@chromium.org

[lushnikov, 2016-04-14 00:07:35]

The patchset sent to the CQ was uploaded after l-g-t-m from dgozman@chromium.org
Link to the patchset: https://codereview.chromium.org/1879163003/#ps20001
(title: " ")

[commit-bot: I haz the power, 2016-04-14 00:08:06]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1879163003/20001
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1879163003/20001

[commit-bot: I haz the power, 2016-04-14 01:35:49]

Description was changed from

==========
DevTools: cleanup occurences of selection.getRangeAt to avoid NPE

This is a follow-up patch to https://crrev.com/1881233002/
which cleans up the rest of selection.getRangeAt occurences
in the front-end.

BUG=595100
R=dgozman, pfeldman_ooo
==========

to

==========
DevTools: cleanup occurences of selection.getRangeAt to avoid NPE

This is a follow-up patch to https://crrev.com/1881233002/
which cleans up the rest of selection.getRangeAt occurences
in the front-end.

BUG=595100
R=dgozman, pfeldman_ooo
==========

[commit-bot: I haz the power, 2016-04-14 01:35:51]

Committed patchset #2 (id:20001)

[commit-bot: I haz the power, 2016-04-14 01:37:06]

Description was changed from

==========
DevTools: cleanup occurences of selection.getRangeAt to avoid NPE

This is a follow-up patch to https://crrev.com/1881233002/
which cleans up the rest of selection.getRangeAt occurences
in the front-end.

BUG=595100
R=dgozman, pfeldman_ooo
==========

to

==========
DevTools: cleanup occurences of selection.getRangeAt to avoid NPE

This is a follow-up patch to https://crrev.com/1881233002/
which cleans up the rest of selection.getRangeAt occurences
in the front-end.

BUG=595100
R=dgozman, pfeldman_ooo

Committed: https://crrev.com/03c78a1961eb22e25ed8f2f136a35b6fb8098a2b
Cr-Commit-Position: refs/heads/master@{#387199}
==========

[commit-bot: I haz the power, 2016-04-14 01:37:07]

Patchset 2 (id:??) landed as
https://crrev.com/03c78a1961eb22e25ed8f2f136a35b6fb8098a2b
Cr-Commit-Position: refs/heads/master@{#387199}