DevTools: add bindings tests to fixate shadowDOM behavior.

DevTools: add bindings tests to fixate shadowDOM behavior.

This patch adds two tests to fixate our handling of ShadowDOM
in bindings and navigator.
- shadowdom-bindings.html - illustrates shadowDOM handling by
  varioius bindings
- shadowdom-navigator.html - illustrates navigator behavior

The shadowdom-bindings.html shows the root cause of the problem
which we have in crbug.com/671867.

BUG=671867, 670180
R=dgozman

Review-Url: https://codereview.chromium.org/2777633002
Cr-Commit-Position: refs/heads/master@{#459883}
Committed: https://chromium.googlesource.com/chromium/src/+/051c8e924b31fc3939604392284bfe2ff8e15361

[lushnikov, 2017-03-24 20:06:10]

please, take a look

[lushnikov, 2017-03-24 21:47:44]

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

[commit-bot: I haz the power, 2017-03-24 21:48:15]

Dry run: 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, 2017-03-24 22:59:04]

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

[commit-bot: I haz the power, 2017-03-24 22:59:05]

Dry run: This issue passed the CQ dry run.

[dgozman, 2017-03-27 16:37:37]

lgtm

[lushnikov, 2017-03-27 17:40:02]

The CQ bit was checked by lushnikov@chromium.org

[commit-bot: I haz the power, 2017-03-27 17:40:50]

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, 2017-03-27 18:08:01]

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

[commit-bot: I haz the power, 2017-03-27 18:08:01]

Try jobs failed on following builders:
  ios-simulator-xcode-clang on master.tryserver.chromium.mac (JOB_FAILED,
http://build.chromium.org/p/tryserver.chromium.mac/builders/ios-simulator-xco...)

[lushnikov, 2017-03-27 21:10:10]

The CQ bit was checked by lushnikov@chromium.org

[commit-bot: I haz the power, 2017-03-27 21:10:45]

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, 2017-03-27 21:23:08]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1490649010783090, "parent_rev":
"dcb83c6cb421c934ca933260391390ad5038bb70", "commit_rev":
"051c8e924b31fc3939604392284bfe2ff8e15361"}

[commit-bot: I haz the power, 2017-03-27 21:23:57]

Description was changed from

==========
DevTools: add bindings tests to fixate shadowDOM behavior.

This patch adds two tests to fixate our handling of ShadowDOM
in bindings and navigator.
- shadowdom-bindings.html - illustrates shadowDOM handling by
  varioius bindings
- shadowdom-navigator.html - illustrates navigator behavior

The shadowdom-bindings.html shows the root cause of the problem
which we have in crbug.com/671867.

BUG=671867,670180
R=dgozman
==========

to

==========
DevTools: add bindings tests to fixate shadowDOM behavior.

This patch adds two tests to fixate our handling of ShadowDOM
in bindings and navigator.
- shadowdom-bindings.html - illustrates shadowDOM handling by
  varioius bindings
- shadowdom-navigator.html - illustrates navigator behavior

The shadowdom-bindings.html shows the root cause of the problem
which we have in crbug.com/671867.

BUG=671867,670180
R=dgozman

Review-Url: https://codereview.chromium.org/2777633002
Cr-Commit-Position: refs/heads/master@{#459883}
Committed:
https://chromium.googlesource.com/chromium/src/+/051c8e924b31fc3939604392284b...
==========

[commit-bot: I haz the power, 2017-03-27 21:23:58]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/chromium/src/+/051c8e924b31fc3939604392284b...