Backed out changeset 47c3acb30de2 (bug 1793463)
Backed out changeset 71afe900eb17 (bug 1793463)
Backed out changeset d168599a269e (bug 1793463)
Backed out changeset d0f18d300818 (bug 1793463)
Backed out changeset a116e6f089f2 (bug 1793463)
Backed out changeset eba1123c8b56 (bug 1793463)
Backed out changeset 68a3eb8a3057 (bug 1793463)

Differential Revision: https://phabricator.services.mozilla.com/D163437

Differential Revision: https://phabricator.services.mozilla.com/D163362

Differential Revision: https://phabricator.services.mozilla.com/D163503

So that it returns the right answer on initial about:blank.

Differential Revision: https://phabricator.services.mozilla.com/D163504

Differential Revision: https://phabricator.services.mozilla.com/D162488

Bug 1803398 - Add Florian as a peer to the Gecko Profiler module, move a few inactive peers, update URL and paths. r=canaltinova,zeid

Differential Revision: https://phabricator.services.mozilla.com/D163499

Bug 1793463 - Part 7: Use dynamic registration for protocols handled by nsGIOProtocolHandler, r=necko-reviewers,valentin

This swaps out the previous code which hard-coded nsGIOProtocolHandler
handling inside of the IOService, and replaces it with
nsGIOProtocolHander dynamically registering and un-registering protocol
handlers at runtime in response to the relevant preference, so that the
protocols can be handled with the normal dynamic handler codepath.

The service is configured to start-up during 'xpcom-startup' through the
category manager, so attempts to use GIO protocols before then will
fail. If this ends up being a problem, we can move it earlier during
startup.

Differential Revision: https://phabricator.services.mozilla.com/D162806

Bug 1793463 - Part 6: Remove nsIProtocolHandler.{defaultPort,protocolFlags}, r=necko-reviewers,valentin

This removes all implementations of these types. Some implementations in JS
code were also removed in the previous part, when updating tests to use
`Services.io.registerProtocolHandler`.

Code which used to access these members should go through the IOService now
instead.

Differential Revision: https://phabricator.services.mozilla.com/D162805

Bug 1793463 - Part 5: Stop using contractids to fetch protocol handlers, r=necko-reviewers,xpcom-reviewers,webdriver-reviewers,whimboo,valentin,kmag

This patch replaces the previous ContractID-based lookup system for protocol
handlers, and replaces it with a new custom system in nsIOService. It will be
pre-populated with non-overridable static protocol handlers using the
StaticComponents infrastructure added in the previous part, and callers can
also dynamically register new protocol handlers at runtime.

This new system is intended to provide access to the default port and
non-dynamic protocol flags off-main-thread, by requiring these values to be
provided up-front as constants, rather than getting them from the xpcom
interface. The data is then guarded by an RWLock.

Callers which look up specific handlers by their contractID are not changed, as
the contract IDs for existing handlers have not been changed, so the lookup
will still succeed.

This change as-implemented breaks the nsGIOProtocolHandler on Linux, as it
removes the special code which would try to use that handler for some
protocols. This will be fixed in a later part by making the
nsGIOProtocolHandler use the dynamic registration APIs to register and
un-register protocol handlers at runtime in response to the GIO pref.

Differential Revision: https://phabricator.services.mozilla.com/D162804

Bug 1793463 - Part 4: Generate static components entries for protocols, r=necko-reviewers,xpcom-reviewers,valentin,kmag

This adds a new set of options to static components.conf files to allow
specifying the protocol flags and default ports of a protocol handler, and
generates a separate table just for this purpose.

This will be used in the next part as part of replacing the existing protocol
handler lookup infrastructure.

Differential Revision: https://phabricator.services.mozilla.com/D162803

Previously, the conversion to ensure that the key is `bytes` was only done in
one place, meaning that some methods were not usable with string keys since the
switch to python 3.

Differential Revision: https://phabricator.services.mozilla.com/D162802

Bug 1793463 - Part 2: Limit the set of protocol flags which can be dynamic, r=necko-reviewers,valentin

After this patch stack, only non-dynamic flags will be accessible
off-main-thread, as dynamic flags will still require access to the protocol
handler. By limiting the set of flags which can be dynamic, we can make the
other flags available off-main-thread.

Differential Revision: https://phabricator.services.mozilla.com/D162801

Bug 1793463 - Part 1: Remove unused nsIProtocolHandlerWithDynamicFlags impls, r=necko-reviewers,valentin

These implementations of nsIProtocolHandlerWithDynamicFlags were actually
always returning the same flags, so can be simplified.

Differential Revision: https://phabricator.services.mozilla.com/D162800

Bug 1547294 - Don't save values in fields with `autocomplete="one-time-code"` r=credential-management-reviewers,sgalich,mak

This change prevents saving values from autocomplete="one-time-code" fields in form history as they just add noise and usually aren't useful.

Signed-off-by: Divyanshu Agrawal <agrawal-d@outlook.com>

Differential Revision: https://phabricator.services.mozilla.com/D158911

We had a workaround [1] to keep the playback correct after pausing and
seeking, because the media engine would incorrectly reset the playback
rate to 1.

Because of this workaround, whenever the playback starts, we would
always change playback rapidly from 1 to another expected rate, which
seems causing intermittent video stuttering because the media engine
might not be able to deal with this rapidly playback rate modification
very well. It also results in video corruption sometime.

After doing some research, I found that the media engine uses another
`default playback rate` [2] to determine the playback after calling
`play()`. And that value is completely independent from the `playback
rate`. Therefore, by setting default playback rate at the same time, we
no longer encounter the situation where the media engine reset our
playback rate, so we don't need to rapidly adjust playback when the
engine starts playing so that we can avoid the stuttering and corruption
issue.

[1] https://searchfox.org/mozilla-central/rev/670e2e0999f04dc7734c8c12b2c3d420a1e31f12/dom/media/ipc/MFMediaEngineParent.cpp#412-419
[2] https://learn.microsoft.com/en-us/windows/win32/api/mfmediaengine/nf-mfmediaengine-imfmediaengine-getdefaultplaybackrate

Differential Revision: https://phabricator.services.mozilla.com/D163408

Differential Revision: https://phabricator.services.mozilla.com/D163421

This change adds support for `content-visibilty: auto` as well as
showing and hiding content based on the relevancy of the content as
defined in the specification. Changes to relevancy are handled by
triggering updates in a set of `content-visibility: auto` frames stored
in PresShell at the appropriate time in the document lifecycle.

Some tests are now failing due to this feature exposing the failures,
but they will be fixed in later changes.

This change is a reland of an earlier version that properly updates
intrinsic sizes and triggers an update of remembered size for the
purposes of contain-intrinsic-size when content relevancy changes.

Co-authored-by: Jihye Hong <jihye@igalia.com>

Differential Revision: https://phabricator.services.mozilla.com/D159693

Backed out 3 changesets (bug 1802957) for causing mochitest failures on test_unstyled_control_height.html. CLOSED TREE

Backed out changeset 649c190f6c29 (bug 1802957)
Backed out changeset 60822417a838 (bug 1802957)
Backed out changeset ffe8d999e454 (bug 1802957)

Differential Revision: https://phabricator.services.mozilla.com/D163084

Differential Revision: https://phabricator.services.mozilla.com/D163052

Bug 1745763 - prototype DNR rules store, static rule loading and getEnabledRulesets API method. r=robwu

Differential Revision: https://phabricator.services.mozilla.com/D162401

Differential Revision: https://phabricator.services.mozilla.com/D163439

Differential Revision: https://phabricator.services.mozilla.com/D162730

The purpose is to be alerted of cases when ops were supposed to execute
but did not.

Differential Revision: https://phabricator.services.mozilla.com/D163425

Bug 1787044 - Disable test_worker_websocket2.html on socketprocess for being intermittent r=necko-reviewers,kershaw

Differential Revision: https://phabricator.services.mozilla.com/D163466

Differential Revision: https://phabricator.services.mozilla.com/D163409

Differential Revision: https://phabricator.services.mozilla.com/D163219

Bug 1787945 - Add dismiss functionality to recently closed tabs list items in Fx View r=ayeddi,sfoster

Differential Revision: https://phabricator.services.mozilla.com/D161848

Much like we allow to do so with colors and ints/floats.

Read a string pref for the font name, and a few float/bools for
size/weight/italic, which is what our LookAndFeel back-end supports.

Depends on D163270

Differential Revision: https://phabricator.services.mozilla.com/D163271

Now that the non-native theme is everywhere, let's do this consistently
across platforms.

Note that these fonts aren't used for XUL anyways, so this shouldn't
change behavior in practice.

Depends on D163269

Differential Revision: https://phabricator.services.mozilla.com/D163270

And hide internal but used values. System fonts are not exposed in the
computed style so this should be fine.

If we need the old values for some obscure reason, it's trivial to alias
them to e.g., menu or so.

Differential Revision: https://phabricator.services.mozilla.com/D163269

Backed out changeset 1fdf3fc76d06 (bug 1785293) for causing bc failures on browser_screenshots_drag_test.js. CLOSED TREE

Backed out changeset e00c185cf4ea (bug 1789399) for causing telemetry failures on test_dynamic_probes.py.

Backed out 9 changesets (bug 1796554, bug 1800076, bug 1796152, bug 1797497, bug 1802349, bug 1797284, bug 1796585) for causing build bustages. CLOSED TREE

Backed out changeset 19610692544c (bug 1802349)
Backed out changeset 23ad8b2fb3b9 (bug 1800076)
Backed out changeset cd729b6a5864 (bug 1796554)
Backed out changeset a9b8f5d7ee8c (bug 1797497)
Backed out changeset d4be9af4e5ae (bug 1797284)
Backed out changeset e6d7ca17b1d3 (bug 1796585)
Backed out changeset fad76f060c8f (bug 1796554)
Backed out changeset 9b970bad5500 (bug 1796152)
Backed out changeset cc9b0300a64b (bug 1796152)

Depends on D163320

Differential Revision: https://phabricator.services.mozilla.com/D163321

Differential Revision: https://phabricator.services.mozilla.com/D163320

Differential Revision: https://phabricator.services.mozilla.com/D163480

Differential Revision: https://phabricator.services.mozilla.com/D163313

Differential Revision: https://phabricator.services.mozilla.com/D163012