Differential Revision: https://phabricator.services.mozilla.com/D135947

Differential Revision: https://phabricator.services.mozilla.com/D133842

Instead of trying to make `_execute()` in `ext-tabs-base.js` accept
options for both the Scripting and Tabs APIs, we introduced an
`execute()` function in `parent/ext-scripting.js` that is similar to
`_execute()` but specific to the Scripting API options.

Differential Revision: https://phabricator.services.mozilla.com/D133872

Bug 1750726 - [devtools] Never enable Marionette for the multi-process browser toolbox process. r=jdescottes

If the browser toolbox is started from a Marionette enabled process,
Marionette should never be started for the browser toolbox process.
If we do as right now the browser toolbox process will immediately
shutdown because Marionette cannot listen on the already in-use
socket port and forces a process shutdown.

Differential Revision: https://phabricator.services.mozilla.com/D136220

Differential Revision: https://phabricator.services.mozilla.com/D136115

Ideally 'manifest' and 'manifest_relpath' should be normalized to forward
slashes upstream in the TestResolver class. But normalizing them there could
potentially break other uses in-tree, and I don't have bandwidth to do a proper
audit to be confident I'm not breaking something elsewhere.

Differential Revision: https://phabricator.services.mozilla.com/D136183

Bug 1749772 - [tryselect] Convert test_resolve_tests_by_suite to use parameterization, r=releng-reviewers,gbrown

Differential Revision: https://phabricator.services.mozilla.com/D136182

Differential Revision: https://phabricator.services.mozilla.com/D134510

Differential Revision: https://phabricator.services.mozilla.com/D132252

Originally introduced to support the AddonManager UI, now not used
any more except in one unit test.

Differential Revision: https://phabricator.services.mozilla.com/D132251

This gets us back to the state we were in with JS Streams. There's a fair
amount of work to get this annotation correct, and some tricky cases to
handle.

Differential Revision: https://phabricator.services.mozilla.com/D136178

Differential Revision: https://phabricator.services.mozilla.com/D136177

Differential Revision: https://phabricator.services.mozilla.com/D135495

This patch adds the media autoplay prefs to the raptor-youtube power tests.

Differential Revision: https://phabricator.services.mozilla.com/D136170

Differential Revision: https://phabricator.services.mozilla.com/D136038

Differential Revision: https://phabricator.services.mozilla.com/D135104

Bug 1746380 - Part 4: Remove length validation and static string lookup from non-atom string instantiation. r=nbp

Differential Revision: https://phabricator.services.mozilla.com/D135103

Differential Revision: https://phabricator.services.mozilla.com/D135102

Split `cx->zone()->isAtomsZone()` branch into 2 functions, for atom case and
non-atom case.

Also removed reduncent steps (static string lookup, length validation,
deflation) from atom case, based on the atomization progress.

Differential Revision: https://phabricator.services.mozilla.com/D135101

To avoid duplicate steps through the atomization process:
 * If the function assumes the input doesn't match static strings
   (static strings case is already handled), append `NoStatic`
 * If the function assumes the length is valid, append `ValidLength`

Differential Revision: https://phabricator.services.mozilla.com/D135100

Differential Revision: https://phabricator.services.mozilla.com/D135099

Backed out changeset c467b50beb6f (bug 1381019) for beaking content tabs with win32k lockdown enabled a=backout

Differential Revision: https://phabricator.services.mozilla.com/D135992

Differential Revision: https://phabricator.services.mozilla.com/D136175

Differential Revision: https://phabricator.services.mozilla.com/D135458

Bug 1750498 - Better support orientation.lock('portrait') and orientation.lock('landscape'). r=geckoview-reviewers,owlish

Although this test is included in `testing/web-platform/tests/screen-orientation/lock-basic.html`,
it is still timed out until fixing bug 1750147.

Differential Revision: https://phabricator.services.mozilla.com/D136118

Drive-by change to remove some code we no longer need after Stencil removed the
off-thread parse/XDR global.

Note that we still assert/check isUsedAsPrototype under getInitialOrPropMapShape.

Depends on D136146

Differential Revision: https://phabricator.services.mozilla.com/D136147

In bug 1738020 we moved the shape teleporting code into NativeObject::addProperty,
which we call from TryAssignPlain, so this should just work now.

Exception is the shape-reuse fast path, but the previous patch ensures we no longer
use that if the object is a prototype object, so we can just add an assertion there.

Differential Revision: https://phabricator.services.mozilla.com/D136146

Bug 1750558 part 1 - Fix NativeObject::canReuseShapeForNewProperties to handle the HasEnumerable flag. r=iain

We were checking the old and new shapes have the same object flags, but this was
(almost) never the case after we added the HasEnumerable flag in bug 1733075,
disabling the optimization in practice.

With this patch we hit the fast path again on Reddit.

Differential Revision: https://phabricator.services.mozilla.com/D136145

Differential Revision: https://phabricator.services.mozilla.com/D136057

Differential Revision: https://phabricator.services.mozilla.com/D132387

Differential Revision: https://phabricator.services.mozilla.com/D136150

ASan builds use more stack space so need a larger stack size. Note that this matches
what we already do for the JS overrecursion limit for the main thread.

This fixes overrecursion errors from the parser when parsing JS files off-thread
on YouTube.

Differential Revision: https://phabricator.services.mozilla.com/D135201

Differential Revision: https://phabricator.services.mozilla.com/D136112

Differential Revision: https://phabricator.services.mozilla.com/D136192

Differential Revision: https://phabricator.services.mozilla.com/D136191

Differential Revision: https://phabricator.services.mozilla.com/D136190

Differential Revision: https://phabricator.services.mozilla.com/D136189