DevTools: When no manifest detected, provide user with link to docs.

DevTools: When no manifest detected, provide user with link to docs.

BUG=

Review-Url: https://codereview.chromium.org/2093913002
Cr-Commit-Position: refs/heads/master@{#450250}
Committed: https://chromium.googlesource.com/chromium/src/+/4c6747c1032af89b54e32d268439add818cbe37b

[paulirish, 2016-06-24 11:09:08]

paulirish@chromium.org changed reviewers:
+ addyo@chromium.org

[paulirish, 2016-06-24 11:09:09]

ptal

[Addy Osmani, 2016-06-24 11:15:14]

On 2016/06/24 11:09:09, paulirish wrote:
> ptal

Visual and behaviour changes here lgtm. 

Some follow-ups we might consider:
- Same treatment for the Service Workers subpanel
- Check that we're using a consistent utm_source for other external links back
to /web

[paulirish, 2016-06-24 17:02:50]

paulirish@chromium.org changed reviewers:
+ pfeldman@chromium.org

[kayce (google), 2016-06-29 00:57:41]

On 2016/06/24 11:09:09, paulirish wrote:
> ptal

Wouldn't this be a better link?

https://developers.google.com/web/fundamentals/engage-and-retain/app-install-...

I was planning on using utm_source=devtools too so that LGTM. I need to update
the other docs links to use it...

[pfeldman, 2016-07-07 01:12:59]

bug / screenshot plz?

[pfeldman, 2017-01-30 21:38:51]

lgtm

[paulirish, 2017-02-14 02:19:53]

The CQ bit was checked by paulirish@chromium.org

[paulirish, 2017-02-14 02:19:53]

The patchset sent to the CQ was uploaded after l-g-t-m from addyo@chromium.org,
pfeldman@chromium.org, kayce@google.com
Link to the patchset: https://codereview.chromium.org/2093913002/#ps20001
(title: "closure fixes.")

[commit-bot: I haz the power, 2017-02-14 02:21:00]

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, 2017-02-14 04:40:20]

CQ is committing da patch.

Bot data: {"patchset_id": 20001, "attempt_start_ts": 1487038793357300,
"parent_rev": "33ce91b34bbd9e85fe5e736539dd73ca7252689c", "commit_rev":
"4c6747c1032af89b54e32d268439add818cbe37b"}

[commit-bot: I haz the power, 2017-02-14 04:40:54]

Description was changed from

==========
DevTools: When no manifest detected, provide user with link to docs.

BUG=
==========

to

==========
DevTools: When no manifest detected, provide user with link to docs.

BUG=

Review-Url: https://codereview.chromium.org/2093913002
Cr-Commit-Position: refs/heads/master@{#450250}
Committed:
https://chromium.googlesource.com/chromium/src/+/4c6747c1032af89b54e32d268439...
==========

[commit-bot: I haz the power, 2017-02-14 04:41:06]

Committed patchset #2 (id:20001) as
https://chromium.googlesource.com/chromium/src/+/4c6747c1032af89b54e32d268439...