Chrome Dev Tools - Network Recording not reporting data for specific resource requests

[esh]

Behavior of [Developer Tools - Record network activity] changed between Chrome 36 and (at least) 46+ that Developer Tools Network recording no longer records any information for certain resources. 

Example: in Chrome 34 and 36 I was able to enter a URL to an APK file and get information on resource download times via debugger API and through the Dev Tools console. I tried this with a .APK file and with a .m3u8 file on different domains and for each object I got resource response times displayed. 

When I upgraded to Chrome 46 and enter these URLs with Dev Tools open and network recording turned on I see nothing. The network activity is blank. The attached images help show what I'm seeign - in CH36 it records the object downloaded and in CH46+ it is blank. I dont have versions between 36-46 to see where the behavior changed. 

I don't know whether this change was by design or a defect. Has anyone else seen this behavior and know why this change occured? May not seem like a big deal but I'm reliant on the data returned by the dev tools and debugger API and my customer is demanding an answer as to why this changed. 

[Stuart]

We just ran into this yesterday. :-(

A colleague noted that network activity recording is only bypassed for files that (paraphrasing) don't have a content handler registered:

http://releases.ubuntu.com/16.04.1/ubuntu-16.04.1-desktop-amd64.iso - no network activity recorded :-(

https://help.ubuntu.com/lts/serverguide/serverguide.pdf - network activity recorded :-)

...Stu

[PhistucK]

You can search crbug.com for an existing issue and star it. If you cannot find one, file a new issue using the "New issue" link on the same page.

Please, do not add a "+1" or "Me too" or "Confirmed" (or similar) comment. It just wastes the time of Chrome engineers and sends unnecessary e-mails to all of the people who starred the issue.

You can reply with a link to the found or created issue and might get triaged (and fixed) faster.

Thank you.

☆PhistucK

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[Jonathan Garbee]

Direct downloads don't go through DevTools since they are directed specifically to the download area. It doesn't go through a normal pages network stack.

There have been a few issues brought up about this in the past. But, iirc handling this means quite a lot of work in the network area.

[Robert Wilson]

NUts