Fix ChromeDriver cannot focus element error

Fix ChromeDriver cannot focus element error

When ChromeDriver sets focus on an element, a descendant node of
that element may receive the focus instead. Modifying ChromeDriver
code to handle such a case.

Review-Url: https://codereview.chromium.org/2813043003
Cr-Commit-Position: refs/heads/master@{#464401}
Committed: https://chromium.googlesource.com/chromium/src/+/46a3e827492e88cfd3728265c7f1d4475392fb5c

[johnchen, 2017-04-12 21:11:37]

johnchen@chromium.org changed reviewers:
+ stgao@chromium.org

[johnchen, 2017-04-12 21:11:38]

This CL fixes internal bug http://b/31860737, which interferes with
ChromeDriver's ability to focus on an element in some situations.

[stgao, 2017-04-13 03:54:40]

lgtm

[johnchen, 2017-04-13 14:29:41]

The CQ bit was checked by johnchen@chromium.org

[commit-bot: I haz the power, 2017-04-13 14:29:59]

CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[commit-bot: I haz the power, 2017-04-13 14:40:22]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1492093781145390, "parent_rev":
"05b4522a54e893976f433ebda581dd17d4f94cb5", "commit_rev":
"46a3e827492e88cfd3728265c7f1d4475392fb5c"}

[commit-bot: I haz the power, 2017-04-13 14:41:57]

Description was changed from

==========
Fix ChromeDriver cannot focus element error

When ChromeDriver sets focus on an element, a descendant node of
that element may receive the focus instead. Modifying ChromeDriver
code to handle such a case.
==========

to

==========
Fix ChromeDriver cannot focus element error

When ChromeDriver sets focus on an element, a descendant node of
that element may receive the focus instead. Modifying ChromeDriver
code to handle such a case.

Review-Url: https://codereview.chromium.org/2813043003
Cr-Commit-Position: refs/heads/master@{#464401}
Committed:
https://chromium.googlesource.com/chromium/src/+/46a3e827492e88cfd3728265c7f1...
==========

[commit-bot: I haz the power, 2017-04-13 14:41:58]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/chromium/src/+/46a3e827492e88cfd3728265c7f1...