Depends on D164960

Differential Revision: https://phabricator.services.mozilla.com/D165059

Differential Revision: https://phabricator.services.mozilla.com/D164960

Differential Revision: https://phabricator.services.mozilla.com/D165044

Differential Revision: https://phabricator.services.mozilla.com/D165140

Differential Revision: https://phabricator.services.mozilla.com/D164459

No bug: Improve error message from `./mach taskgraph` when a `kind-dependencies` entry is missing. r=taskgraph-reviewers,jlorenzo

This is largely only an issue when running with `--target-kind`, although it's theoretically possible to hit without it depending on the order in which the tasks end up getting generated.

In any case, the current behaviour is a mysterious exception when `self.tasks[task_label]` throws. This isn't perfect, but it's at least something to go on.

Differential Revision: https://phabricator.services.mozilla.com/D164920

Differential Revision: https://phabricator.services.mozilla.com/D153612

Differential Revision: https://phabricator.services.mozilla.com/D164430

+ update sphinx-js to 3.2.1

Differential Revision: https://phabricator.services.mozilla.com/D153483

Differential Revision: https://phabricator.services.mozilla.com/D164910

Differential Revision: https://phabricator.services.mozilla.com/D164852

Differential Revision: https://phabricator.services.mozilla.com/D164851

Bug 1687303 - Make nsHTMLContentSerializer handle noscript depending on the scripting enabled state of the document. r=edgar

Differential Revision: https://phabricator.services.mozilla.com/D124892

Differential Revision: https://phabricator.services.mozilla.com/D162002

It looks like it was only used by the non-fission browser toolbox.
See the acceptTarget condition.

Differential Revision: https://phabricator.services.mozilla.com/D164703

Bug 1625939 - [devtools] Remove reference to `isBrowserToolboxFission` and remove the related logic from server codebase. r=nchevobbe,devtools-backward-compat-reviewers

This changeset focuses on the server codebase and a few bits from the frontend.

Differential Revision: https://phabricator.services.mozilla.com/D164702

Bug 1625939 - [devtools] Remove devtools.browsertoolbox.fission preference and remove old non-fission Browser Toolbox. r=nchevobbe,fluent-reviewers,flod,perftest-reviewers,kshampur

Differential Revision: https://phabricator.services.mozilla.com/D164699

Bug 1625939 - [devtools] Remove all places where we set devtools.browsertoolbox.fission to true. r=nchevobbe

As this was the default on all branches, these places were useless already.

Differential Revision: https://phabricator.services.mozilla.com/D164698

It looks like, none of these tests were actually buggy on the MBT.
They all meant to cover the non-MBT on purpose, mostly to cover the two codepaths.

The only exception is browser_aboutdebugging_process_main_local.js,
which was having trouble with the MBT. But it may now pass as the MBT
is by default focusing only on the parent process.

Differential Revision: https://phabricator.services.mozilla.com/D164696

Backed out changeset 61dad1ad2a2d (bug 1804227) for causing mochitest failures in browser/base/content/test/performance/browser_startup_content.js CLOSED TREE

Backed out changeset 78bd7cfde7b6 (bug 1793876) for causing wpt failures in /editing/other/editing-div-outside-body.html?designMode

Differential Revision: https://phabricator.services.mozilla.com/D165094

Bug 1806522 - Extend the eslint pre-commit hook to also lint mjs files and other files we lint. r=linter-reviewers,sylvestre

Differential Revision: https://phabricator.services.mozilla.com/D165129

Differential Revision: https://phabricator.services.mozilla.com/D165127

Backed out changeset 781c1031c032 (bug 1631735)
Backed out changeset a6d345a47718 (bug 1631735)
Backed out changeset 4b8cc0917731 (bug 1631735)
Backed out changeset fe09769d7d5a (bug 1631735)

With Warp we no longer use this case. When we build the MIR we know if the DOM
object is a native object or a proxy.

This lets us simplify some branching in LoadDOMPrivate.

Differential Revision: https://phabricator.services.mozilla.com/D165020

Allow the tabbox/tabpanels to shrink, and remove an useless <vbox>.

Differential Revision: https://phabricator.services.mozilla.com/D163660

We only need to allow the video to shrink horizontally in case the video
is wider than the panel max width, the rest works out just fine.

Differential Revision: https://phabricator.services.mozilla.com/D165095

Differential Revision: https://phabricator.services.mozilla.com/D159967

Bug 1806262 - [wdspec] Mark MacOS headful tests for minimize and set window rect after fullscreen as failing. r=webdriver-reviewers,jdescottes

These tests fail on macOS and pass on macOS headless. Until Bug 1802192
resolves the fundamental cause of the failure, this change will mark these
tests as fail for headful..

Differential Revision: https://phabricator.services.mozilla.com/D165123

Differential Revision: https://phabricator.services.mozilla.com/D162721

Bug 1753373 - Upload software decoded video to NV12 for video overlay on Windows r=alwu,gfx-reviewers,bradwerth

RGB video overlay usage improves downscaled videos rendering quality. And it reduces GPU usage.

Differential Revision: https://phabricator.services.mozilla.com/D156393

Seems green everywhere, including windows x86, so...

Differential Revision: https://phabricator.services.mozilla.com/D165096

Differential Revision: https://phabricator.services.mozilla.com/D164901

Backed out changeset 146a11389a42 (bug 1806500) for causing mochitest failures in dom/console/tests/test_bug659625.html CLOSED TREE

Backed out changeset 6b8d96806ae6 (bug 1752703)
Backed out changeset afbd8f714804 (bug 1752703)
Backed out changeset 1adb41e2eb9b (bug 1752703)

# ignore-this-changeset

Bug 1752703 - Add interposers for functions manipulating the environment to prevent crashes r=glandium

This add interposers for getenv(), putenv(), setenv(), unsetenv() and
clearenv(). All interposers use a single lock for synchronization while
internally using the libc-provided functions. This is done to prevent races
that typically happen in Firefox code when multiple threads call getenv()
while others are changing variables using setenv() and putenv().

Differential Revision: https://phabricator.services.mozilla.com/D164471

Bug 1752703 - Move the pthread_thread_create() interposer under mozglue and prepare for having a single place where we place interposer functions r=glandium

Differential Revision: https://phabricator.services.mozilla.com/D164470