Bug 1639606 Comment 7 Edit History

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Original comment by
on 
Backed out changeset ee9c7714e513 (bug 1639606) for browser_download_open_with_internal_handler.js failures

Push with failures: https://treeherder.mozilla.org/#/jobs?repo=autoland&selectedTaskRun=fcJ7Dn-MTuKp-_pSzclm5A-0&searchStr=linux%2C18.04%2Cx64%2Cdebug%2Cmochitests%2Ctest-linux1804-64%2Fdebug-mochitest-browser-chrome-e10s-12%2Cm%28bc12%29&fromchange=ee9c7714e513f09f8f829c626d7301662ba475e0

Backout link: https://hg.mozilla.org/integration/autoland/rev/99a82cb34de1fb50533829a271506d94da191744

Failure log: https://treeherder.mozilla.org/logviewer.html#/jobs?job_id=303331109&repo=autoland&lineNumber=23932

```
...
[task 2020-05-22T03:47:39.640Z] 03:47:39     INFO - GECKO(7734) | [Parent 7734: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 5 (0x7faf0b0ebde0) [pid = 7734] [serial = 3] [outer = (nil)] [url = chrome://extensions/content/dummy.xhtml]
[task 2020-05-22T03:47:39.640Z] 03:47:39     INFO - GECKO(7734) | [Parent 7734: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 4 (0x7faf0ad40000) [pid = 7734] [serial = 4] [outer = (nil)] [url = chrome://extensions/content/dummy.xhtml]
[task 2020-05-22T03:47:39.642Z] 03:47:39     INFO - GECKO(7734) | [Parent 7734: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 3 (0x7faedd71d400) [pid = 7734] [serial = 53] [outer = (nil)] [url = about:blank]
[task 2020-05-22T03:47:39.642Z] 03:47:39     INFO - GECKO(7734) | [Parent 7734: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 2 (0x7faf0b0ebfb0) [pid = 7734] [serial = 5] [outer = (nil)] [url = about:blank]
[task 2020-05-22T03:47:39.643Z] 03:47:39     INFO - GECKO(7734) | [Parent 7734: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 1 (0x7faf086bbd40) [pid = 7734] [serial = 7] [outer = (nil)] [url = resource://gre-resources/hiddenWindow.html]
[task 2020-05-22T03:47:39.650Z] 03:47:39     INFO - GECKO(7734) | [Parent 7734: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 0 (0x7faf0e4ac400) [pid = 7734] [serial = 9] [outer = (nil)] [url = resource://gre-resources/hiddenWindow.html]
[task 2020-05-22T03:47:39.658Z] 03:47:39     INFO - GECKO(7734) | [Parent 7734, Main Thread] WARNING: NS_ENSURE_SUCCESS(rv, rv) failed with result 0x80004005 (NS_ERROR_FAILURE): file /builds/worker/checkouts/gecko/netwerk/base/nsNetUtil.cpp, line 2295
[task 2020-05-22T03:47:39.659Z] 03:47:39     INFO - GECKO(7734) | [Parent 7734, Main Thread] WARNING: 'NS_FAILED(rv)', file /builds/worker/checkouts/gecko/caps/ContentPrincipal.cpp, line 398
[task 2020-05-22T03:47:39.659Z] 03:47:39     INFO - GECKO(7734) | [Parent 7734, Main Thread] WARNING: NS_ENSURE_SUCCESS(rv, rv) failed with result 0x80004005 (NS_ERROR_FAILURE): file /builds/worker/checkouts/gecko/caps/ContentPrincipal.cpp, line 423
[task 2020-05-22T03:47:39.695Z] 03:47:39     INFO - GECKO(7734) | [Parent 7734, Main Thread] WARNING: Extra shutdown CC: 'i < NORMAL_SHUTDOWN_COLLECTIONS', file /builds/worker/checkouts/gecko/xpcom/base/nsCycleCollector.cpp, line 3359
[task 2020-05-22T03:47:39.798Z] 03:47:39     INFO - TEST-INFO | Main app process: exit 0
[task 2020-05-22T03:47:39.798Z] 03:47:39     INFO - TEST-INFO | Confirming we saw 76 DOCSHELL created and 76 destroyed log strings.
[task 2020-05-22T03:47:39.798Z] 03:47:39     INFO - TEST-INFO | Confirming we saw 192 DOMWINDOW created and 192 destroyed log strings.
[task 2020-05-22T03:47:39.798Z] 03:47:39    ERROR - TEST-UNEXPECTED-FAIL | uriloader/exthandler/tests/mochitest/browser_download_open_with_internal_handler.js | leaked 5 window(s) until shutdown [url = about:blank]
[task 2020-05-22T03:47:39.798Z] 03:47:39    ERROR - TEST-UNEXPECTED-FAIL | uriloader/exthandler/tests/mochitest/browser_download_open_with_internal_handler.js | leaked 5 window(s) until shutdown [url = chrome://mozapps/content/downloads/unknownContentType.xhtml]
[task 2020-05-22T03:47:39.798Z] 03:47:39     INFO - TEST-INFO | uriloader/exthandler/tests/mochitest/browser_download_open_with_internal_handler.js | windows(s) leaked: [pid = 7734] [serial = 27], [pid = 7734] [serial = 23], [pid = 7734] [serial = 26], [pid = 7734] [serial = 30], [pid = 7734] [serial = 22], [pid = 7734] [serial = 29], [pid = 7734] [serial = 31], [pid = 7734] [serial = 25], [pid = 7734] [serial = 28], [pid = 7734] [serial = 24]
[task 2020-05-22T03:47:39.798Z] 03:47:39     INFO - TEST-INFO | uriloader/exthandler/tests/mochitest/browser_download_open_with_internal_handler.js | This test created 1 hidden window(s)
[task 2020-05-22T03:47:39.798Z] 03:47:39     INFO - TEST-INFO | uriloader/exthandler/tests/mochitest/browser_download_open_with_internal_handler.js | This test created 1 hidden docshell(s)
[task 2020-05-22T03:47:39.798Z] 03:47:39     INFO - TEST-INFO | uriloader/exthandler/tests/mochitest/browser_auto_close_window.js | This test created 1 hidden window(s)
...
```
Revision 1 by
on 
Backed out changeset ee9c7714e513 (bug 1639606) for browser_download_open_with_internal_handler.js failures

Push with failures: https://treeherder.mozilla.org/#/jobs?repo=autoland&selectedTaskRun=fcJ7Dn-MTuKp-_pSzclm5A-0&searchStr=linux%2C18.04%2Cx64%2Cdebug%2Cmochitests%2Ctest-linux1804-64%2Fdebug-mochitest-browser-chrome-e10s-12%2Cm%28bc12%29&fromchange=ee9c7714e513f09f8f829c626d7301662ba475e0&tochange=99a82cb34de1fb50533829a271506d94da191744

Backout link: https://hg.mozilla.org/integration/autoland/rev/99a82cb34de1fb50533829a271506d94da191744

Failure log: https://treeherder.mozilla.org/logviewer.html#/jobs?job_id=303331109&repo=autoland&lineNumber=23932

```
...
[task 2020-05-22T03:47:39.640Z] 03:47:39     INFO - GECKO(7734) | [Parent 7734: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 5 (0x7faf0b0ebde0) [pid = 7734] [serial = 3] [outer = (nil)] [url = chrome://extensions/content/dummy.xhtml]
[task 2020-05-22T03:47:39.640Z] 03:47:39     INFO - GECKO(7734) | [Parent 7734: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 4 (0x7faf0ad40000) [pid = 7734] [serial = 4] [outer = (nil)] [url = chrome://extensions/content/dummy.xhtml]
[task 2020-05-22T03:47:39.642Z] 03:47:39     INFO - GECKO(7734) | [Parent 7734: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 3 (0x7faedd71d400) [pid = 7734] [serial = 53] [outer = (nil)] [url = about:blank]
[task 2020-05-22T03:47:39.642Z] 03:47:39     INFO - GECKO(7734) | [Parent 7734: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 2 (0x7faf0b0ebfb0) [pid = 7734] [serial = 5] [outer = (nil)] [url = about:blank]
[task 2020-05-22T03:47:39.643Z] 03:47:39     INFO - GECKO(7734) | [Parent 7734: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 1 (0x7faf086bbd40) [pid = 7734] [serial = 7] [outer = (nil)] [url = resource://gre-resources/hiddenWindow.html]
[task 2020-05-22T03:47:39.650Z] 03:47:39     INFO - GECKO(7734) | [Parent 7734: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 0 (0x7faf0e4ac400) [pid = 7734] [serial = 9] [outer = (nil)] [url = resource://gre-resources/hiddenWindow.html]
[task 2020-05-22T03:47:39.658Z] 03:47:39     INFO - GECKO(7734) | [Parent 7734, Main Thread] WARNING: NS_ENSURE_SUCCESS(rv, rv) failed with result 0x80004005 (NS_ERROR_FAILURE): file /builds/worker/checkouts/gecko/netwerk/base/nsNetUtil.cpp, line 2295
[task 2020-05-22T03:47:39.659Z] 03:47:39     INFO - GECKO(7734) | [Parent 7734, Main Thread] WARNING: 'NS_FAILED(rv)', file /builds/worker/checkouts/gecko/caps/ContentPrincipal.cpp, line 398
[task 2020-05-22T03:47:39.659Z] 03:47:39     INFO - GECKO(7734) | [Parent 7734, Main Thread] WARNING: NS_ENSURE_SUCCESS(rv, rv) failed with result 0x80004005 (NS_ERROR_FAILURE): file /builds/worker/checkouts/gecko/caps/ContentPrincipal.cpp, line 423
[task 2020-05-22T03:47:39.695Z] 03:47:39     INFO - GECKO(7734) | [Parent 7734, Main Thread] WARNING: Extra shutdown CC: 'i < NORMAL_SHUTDOWN_COLLECTIONS', file /builds/worker/checkouts/gecko/xpcom/base/nsCycleCollector.cpp, line 3359
[task 2020-05-22T03:47:39.798Z] 03:47:39     INFO - TEST-INFO | Main app process: exit 0
[task 2020-05-22T03:47:39.798Z] 03:47:39     INFO - TEST-INFO | Confirming we saw 76 DOCSHELL created and 76 destroyed log strings.
[task 2020-05-22T03:47:39.798Z] 03:47:39     INFO - TEST-INFO | Confirming we saw 192 DOMWINDOW created and 192 destroyed log strings.
[task 2020-05-22T03:47:39.798Z] 03:47:39    ERROR - TEST-UNEXPECTED-FAIL | uriloader/exthandler/tests/mochitest/browser_download_open_with_internal_handler.js | leaked 5 window(s) until shutdown [url = about:blank]
[task 2020-05-22T03:47:39.798Z] 03:47:39    ERROR - TEST-UNEXPECTED-FAIL | uriloader/exthandler/tests/mochitest/browser_download_open_with_internal_handler.js | leaked 5 window(s) until shutdown [url = chrome://mozapps/content/downloads/unknownContentType.xhtml]
[task 2020-05-22T03:47:39.798Z] 03:47:39     INFO - TEST-INFO | uriloader/exthandler/tests/mochitest/browser_download_open_with_internal_handler.js | windows(s) leaked: [pid = 7734] [serial = 27], [pid = 7734] [serial = 23], [pid = 7734] [serial = 26], [pid = 7734] [serial = 30], [pid = 7734] [serial = 22], [pid = 7734] [serial = 29], [pid = 7734] [serial = 31], [pid = 7734] [serial = 25], [pid = 7734] [serial = 28], [pid = 7734] [serial = 24]
[task 2020-05-22T03:47:39.798Z] 03:47:39     INFO - TEST-INFO | uriloader/exthandler/tests/mochitest/browser_download_open_with_internal_handler.js | This test created 1 hidden window(s)
[task 2020-05-22T03:47:39.798Z] 03:47:39     INFO - TEST-INFO | uriloader/exthandler/tests/mochitest/browser_download_open_with_internal_handler.js | This test created 1 hidden docshell(s)
[task 2020-05-22T03:47:39.798Z] 03:47:39     INFO - TEST-INFO | uriloader/exthandler/tests/mochitest/browser_auto_close_window.js | This test created 1 hidden window(s)
...
```

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