Differential Revision: https://phabricator.services.mozilla.com/D173637

Backed out 12 changesets (bug 1825325, bug 1825336, bug 1825333, bug 1825332, bug 1825324, bug 1824557, bug 1825328, bug 1825335, bug 1825330, bug 1825329, bug 1825327, bug 1825331) for causing build bustages in nsClipboard.cpp CLOSED TREE

Backed out changeset 9de3ed24d3a0 (bug 1825336)
Backed out changeset aef787728f19 (bug 1825335)
Backed out changeset a04c341244c1 (bug 1825333)
Backed out changeset e3ad15f762ba (bug 1825332)
Backed out changeset eed23da92a27 (bug 1825331)
Backed out changeset 8213bb54376e (bug 1825330)
Backed out changeset 747ec5ac4994 (bug 1825329)
Backed out changeset e91ff431f92d (bug 1825328)
Backed out changeset 59c18d13768b (bug 1825327)
Backed out changeset 538096d99e49 (bug 1825325)
Backed out changeset c76eb9d9b095 (bug 1825324)
Backed out changeset 8b81410eb686 (bug 1824557)

Rename per review comments in
https://phabricator.services.mozilla.com/D165192?id=698523#inline-961796

Differential Revision: https://phabricator.services.mozilla.com/D174172

Tests failed:

- single-line-column-flex-fragmentation-062.html is adapted from
  single-line-column-flex-fragmentation-061.html, with flex-direction value
  changed from column to column-reverse.

- multi-line-row-flex-fragmentation-073.html is adapted from
  multi-line-row-flex-fragmentation-072.html, with flex-wrap value
  changed from wrap to wrap-reverse.

Tests passed with Part 2.

- single-line-column-flex-fragmentation-063.html tests `justify-content: end` so
  that there are empty flex container fragments at the beginning of the columns.

- single-line-column-flex-fragmentation-064.html tests `justify-content: space-between` so
  that there are empty flex container fragments in the middle columns.

- multi-line-row-flex-fragmentation-074.html tests `align-content: space-between;` so
  that there are empty flex container fragments in the middle columns.

- multi-line-row-flex-fragmentation-075-print.html and
  multi-line-row-flex-fragmentation-076-print.html are adapted from Daniel
  Holbert's testcase in bug 1743890 comment 18, testing a item shift bug occurred
  in Part 2 WIP.

- single-line-row-flex-fragmentation-043.html tests `align-self: start` and
  `align-self: end` on items so that there are empty flex container fragments in
  the middle columns.

Differential Revision: https://phabricator.services.mozilla.com/D167978

Bug 1743890 Part 2 - Push monolithic flex item exceeding available block-size to next-in-flow. r=dholbert

This patch deals with two things:

1. Push tall monolithic flex items to next-in-flow, and adjust their positions.
2. Grow flex container's block-size if its block-size is unconstrained.

This patch doesn't fix:
1. Item shifts in different lines in a multi-line column-oriented container
   (bug 1806717).
2. Flex container block-size grow due to flex item's block-size grow in
   fragmentation.

If a flex item has break-before:avoid, we don't want to push it to the
next-in-flow (in the computaion of `shouldPushItem`). Otherwise, we'll fail
web-platform/tests/css/css-break/flexbox/multi-line-column-flex-fragmentation-034.html

Differential Revision: https://phabricator.services.mozilla.com/D165192

MoveFlexItemToFinalPosition() already has a log printing flex item's position.
This patch adds a log in ReflowFlexItem() to print flex item's position, too.

Differential Revision: https://phabricator.services.mozilla.com/D165191

Differential Revision: https://phabricator.services.mozilla.com/D173990

Bug 1819334 - Display an error message when no importable resources can be found for a browser / profile pair. r=mconley,fluent-reviewers.

Differential Revision: https://phabricator.services.mozilla.com/D173544

Bug 1825740 - Make PushServiceWebSocket cancel the request timeout timer when receiving a pong, r=lina.

Differential Revision: https://phabricator.services.mozilla.com/D174234

Differential Revision: https://phabricator.services.mozilla.com/D172724

Backed out changeset b5217784536c (bug 1777921) for causing assertion failures at WorkerPrivate.h. CLOSED TREE

Backed out changeset b653a1b8816b (bug 1820389) for causing build bustages at DocAccessibleParent.cpp

Differential Revision: https://phabricator.services.mozilla.com/D174240

This bug adds basic telemetry if window.print() is used or not in
Android through GeckoView.

Differential Revision: https://phabricator.services.mozilla.com/D173875

Differential Revision: https://phabricator.services.mozilla.com/D174242

Bug 1777921 - Assert that StrongWorkerRefs are not lazily released during final GC/CC. r=dom-worker-reviewers,smaug,asuth

And relax the check if someone carries away a stale reference to our global scope to happen after the JS context has gone out of scope.

Differential Revision: https://phabricator.services.mozilla.com/D150942

Bug 1717260 - Its hard to distinguish which item is in focus on Library window. r=mak,desktop-theme-reviewers,Itiel

Differential Revision: https://phabricator.services.mozilla.com/D172775

Bug 1822005 - bypass client cert check for speculative connections created because of EarlyHint, r=manuel,necko-reviewers

Differential Revision: https://phabricator.services.mozilla.com/D173815

Differential Revision: https://phabricator.services.mozilla.com/D174245

Differential Revision: https://phabricator.services.mozilla.com/D134061

Differential Revision: https://phabricator.services.mozilla.com/D174134

Differential Revision: https://phabricator.services.mozilla.com/D173651

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

Bug 1825336 - Make toolkit/components/url-classifier/ buildable outside of a unified build environment r=andi

Depends on D173980

Differential Revision: https://phabricator.services.mozilla.com/D173981

Bug 1825335 - Make toolkit/components/reputationservice buildable outside of a unified build environment r=andi

Depends on D173978

Differential Revision: https://phabricator.services.mozilla.com/D173980

Bug 1825333 - Make toolkit/components/sessionstore buildable outside of a unified build environment r=andi

Depends on D173976

Differential Revision: https://phabricator.services.mozilla.com/D173978

Bug 1825332 - Make toolkit/components/windowwatcher buildable outside of a unified build environment r=andi

Depends on D173975

Differential Revision: https://phabricator.services.mozilla.com/D173976

Bug 1825331 - Make toolkit/components/telemetry/tests/gtest buildable outside of a unified build environment r=andi

Depends on D173974

Differential Revision: https://phabricator.services.mozilla.com/D173975

Bug 1825330 - Make toolkit/mozapps/extensions buildable outside of a unified build environment r=extension-reviewers,rpl

Depends on D173973

Differential Revision: https://phabricator.services.mozilla.com/D173974

Depends on D173972

Differential Revision: https://phabricator.services.mozilla.com/D173973

Depends on D173971

Differential Revision: https://phabricator.services.mozilla.com/D173972

Depends on D173970

Differential Revision: https://phabricator.services.mozilla.com/D173971

Depends on D173969

Differential Revision: https://phabricator.services.mozilla.com/D173970

Bug 1825324 - Make widget/* buildable outside of a unified build environment r=andi,geckoview-reviewers,m_kato

Depends on D173637

Differential Revision: https://phabricator.services.mozilla.com/D173969

Differential Revision: https://phabricator.services.mozilla.com/D173637

Bug 1818080 - [remote] Add profile markers for CDP, Marionette and WebDriver BiDi commands and events. r=webdriver-reviewers,canaltinova,jdescottes

Differential Revision: https://phabricator.services.mozilla.com/D174211

Looks like $(file <) construct is too recent for some of our downstream
users.

Differential Revision: https://phabricator.services.mozilla.com/D174210

Backed out changeset ef7d2e82eb5a (bug 1825745) for causing assertion failure on nsDocShell.cpp CLOSED TREE

Bug 1823655: Set IdentityCredentialStorageService.mShuttingDown if the init() is called during shutdown. r=pbz

The mShuttingDown wasn't set in the init() function during shutdown. In
this case, we won't register ShutdownBlocker, so we won't flip
mShuttingDown. This could case shutdown hanging becasue
WaitForInitialization() could be called during shutdown becasue of
sanitizer.

We need to flip mShuttingDown to prevent waiting in WaitForInitialization.

Differential Revision: https://phabricator.services.mozilla.com/D174212

Bug 1825745 - Make form submits do a replace load if they happen before document load has ended. r=smaug

Differential Revision: https://phabricator.services.mozilla.com/D174224