Test that base page is available in Reader Mode

Test that base page is available in Reader Mode

If there is no web contents to distill, stop trying to open the
Reader Mode panel.

BUG=666277
Committed: https://crrev.com/fd24a95763656415b318337cd53875d08931857e
Cr-Commit-Position: refs/heads/master@{#434812}

[mdjones, 2016-11-18 18:09:48]

mdjones@chromium.org changed reviewers:
+ wychen@chromium.org

[mdjones, 2016-11-18 18:09:48]

ptal

[wychen, 2016-11-28 22:58:45]

lgtm

[mdjones, 2016-11-28 23:31:44]

The CQ bit was checked by mdjones@chromium.org

[commit-bot: I haz the power, 2016-11-28 23:33:04]

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, 2016-11-29 01:22:25]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1480375904506990, "parent_rev":
"5c9a5602b6939220cb14cc28754177efb08ff389", "commit_rev":
"cdb9dfc1accea63443b47c1e4797636e7fef19a8"}

[commit-bot: I haz the power, 2016-11-29 01:23:36]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-11-29 01:29:17]

Description was changed from

==========
Test that base page is available in Reader Mode

If there is no web contents to distill, stop trying to open the
Reader Mode panel.

BUG=666277
==========

to

==========
Test that base page is available in Reader Mode

If there is no web contents to distill, stop trying to open the
Reader Mode panel.

BUG=666277

Committed: https://crrev.com/fd24a95763656415b318337cd53875d08931857e
Cr-Commit-Position: refs/heads/master@{#434812}
==========

[commit-bot: I haz the power, 2016-11-29 01:29:17]

Patchset 1 (id:??) landed as
https://crrev.com/fd24a95763656415b318337cd53875d08931857e
Cr-Commit-Position: refs/heads/master@{#434812}