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Issue 853136 link

Starred by 2 users
Status: Assigned
Owner:
jarhar@chromium.org
Components:
EstimatedDays: ----
NextAction: ----
OS: Windows
Pri: 2
Type: Bug



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XMLHttpRequest with upload network throttling enabled does not report progress

Reported by ras...@mindplay.dk, Jun 15 2018 
UserAgent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Steps to reproduce the problem:
1. Enable network throttling (with a profile that limits upload speed)
2. Open this sample page: http://jsfiddle.net/8uysb5mg/19/
3. Drag a file over the gray box
4. Watch for progress events in the console

What is the expected behavior?
Progress events should fire while the file is uploading

What went wrong?
There is one progress event for 100% progress at the end of the upload, but progress events do not fire during the upload.

Did this work before? N/A 

Chrome version: 67.0.3396.87  Channel: stable
OS Version: 10.0
Flash Version:

Comment 1 by alex...@chromium.org, Jun 15 2018

Components: Blink>Network>XHR
Drive-by note: I checked to see if this was related to site isolation, since the file upload area is in an OOPIF, but this also reproes with site isolation turned off (via chrome://flags/#site-isolation-trial-opt-out).  Not sure if this is a new issue or a regression.

Comment 2 by susan.boorgula@chromium.org, Jun 17 2018

Labels: Needs-Triage-M67

Comment 3 by ricea@chromium.org, Jun 18 2018

Components: -Platform>DevTools -Blink>Network>XHR Platform>DevTools>Network
Status: Untriaged (was: Unconfirmed)
The original repro has a bug: it hooks xhr.onprogress instead of xhr.upload.onprogress. Here is a version with the bug fixed: http://jsfiddle.net/arjfz8em/.

Rather than get one progress event at the end, I get regular progress events, but the percentage is 0 every time. Without network throttling, the percentages increase as expected.

Sending to Platform>DevTools>Network for triage.

Comment 4 by lushnikov@chromium.org, Jun 23 2018

Owner: eostroukhov@chromium.org
Status: Assigned (was: Untriaged)

Comment 5 by jarhar@chromium.org, Sep 18

Owner: jarhar@chromium.org
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