Affected versions

• Firefox 89.0a1

Affected platforms

• Windows 10 x64
• Ubuntu 18.04 x64
• macOS 10.15

Precondition
The following prefs are set to true in about:config:

• browser.proton.enabled
• browser.proton.doorhangers.enabled (for preliminary testing this also required, until the work is moved to the main pref)

Steps to reproduce

1. Go to https://permission.site/.
2. Click on the "Location" button.
3. Click on the "Allow" button.
4. Click on the site permission icon.

Expected result

• The text has only the first letter from the first word in uppercase: "Access your location".

Actual result

• Every word has the first letter in uppercase: "Access Your Location".

Regression range

• This is not a regression.

Additional notes

• Please look at the attached image. This is the one from the specs.

Seems more like an S4 to me? I'm going to leave prioritization to the Proton folks.

This seems related to other issues of similar class that are currently opened.

This does not apply to the strings in the cancel button (allow, block, etc)

Backed out for failures on browser_SitePermissions.js

backout: https://hg.mozilla.org/integration/autoland/rev/529ba4c9c37829e5408311ed2b09604585d11377

push: https://treeherder.mozilla.org/jobs?repo=autoland&selectedTaskRun=UfnV_8p7Tjypg8BxpRKYWg.0&revision=97890f6d5035547f114fb5a85cabd0e8e1ef2b33&searchStr=browser-chrome&group_state=expanded

failure log: https://treeherder.mozilla.org/logviewer?job_id=336686699&repo=autoland&lineNumber=4404

[task 2021-04-15T17:12:49.801Z] 17:12:49 INFO - Buffered messages logged at 17:12:49
[task 2021-04-15T17:12:49.801Z] 17:12:49 INFO - Entering test bound testGetAllPermissionDetailsForBrowser
[task 2021-04-15T17:12:49.801Z] 17:12:49 INFO - Console message: [JavaScript Error: "Error: No DOM node set for aPlacesNode.
[task 2021-04-15T17:12:49.801Z] 17:12:49 INFO - node.type: 0. node.parent: [xpconnect wrapped nsINavHistoryResultNode @ 0x117f9b6a0 (native @ 0x117db5f40)]" {file: "chrome://browser/content/places/browserPlacesViews.js" line: 131}]
[task 2021-04-15T17:12:49.801Z] 17:12:49 INFO - PVB__getDOMNodeForPlacesNode@chrome://browser/content/places/browserPlacesViews.js:131:13
[task 2021-04-15T17:12:49.801Z] 17:12:49 INFO - PVB_nodeTitleChanged@chrome://browser/content/places/browserPlacesViews.js:545:20
[task 2021-04-15T17:12:49.801Z] 17:12:49 INFO -
[task 2021-04-15T17:12:49.801Z] 17:12:49 INFO - Buffered messages finished
[task 2021-04-15T17:12:49.801Z] 17:12:49 INFO - TEST-UNEXPECTED-FAIL | browser/modules/test/browser/browser_SitePermissions.js | {"id":"camera","scope":"{SitePermissions.SCOPE_PERSISTENT}","state":1,"label":"Use the camera"} deepEqual {"id":"camera","label":"Use the Camera","state":1,"scope":"{SitePermissions.SCOPE_PERSISTENT}"} - JS frame :: chrome://mochitests/content/browser/browser/modules/test/browser/browser_SitePermissions.js :: testGetAllPermissionDetailsForBrowser :: line 50
[task 2021-04-15T17:12:49.801Z] 17:12:49 INFO - Stack trace:
[task 2021-04-15T17:12:49.801Z] 17:12:49 INFO - chrome://mochitests/content/browser/browser/modules/test/browser/browser_SitePermissions.js:testGetAllPermissionDetailsForBrowser:50
[task 2021-04-15T17:12:49.801Z] 17:12:49 INFO - TEST-PASS | browser/modules/test/browser/browser_SitePermissions.js | "undefined" == "undefined" -

https://hg.mozilla.org/mozilla-central/rev/f27f2a126a3a

Verified the fix using Firefox 89.0b2 on Windows 10 x64, Ubuntu 18.04 x64 and macOS 10.15. The issue is not reproducing anymore.