Bug 1617959: Switch to the babel-eslint parser and turn on support for optional chaining and nullish coalescing operator syntaxes. r=Standard8

The babel-eslint parser defaults to assuming all scripts are modules. Although
we're moving in that direction it seems reasonable to set the default as regular
scripts for now. All the places that were previously overriding the parser are
already specifying the sourceType in their eslint configs.

I chose to put the babel config in a file that babel itself won't look to avoid
the risk of this config impacting the use of babel elsewhere in the tree.

Differential Revision: https://phabricator.services.mozilla.com/D66127

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Differential Revision: https://phabricator.services.mozilla.com/D66129

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Bug 1620556 - Automatic code fixes for Prettier 1.19.1 upgrade. r=Standard8,remote-protocol-reviewers,marionette-reviewers,webcompat-reviewers,perftest-reviewers,sparky,whimboo,denschub

Differential Revision: https://phabricator.services.mozilla.com/D66128

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Bug 1622343 - Automatic code fixes for rustfmt warnings for now-unskipped files r=linter-reviewers,sylvestre

Differential Revision: https://phabricator.services.mozilla.com/D66811

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It is apparently completely unnecessary.

Differential Revision: https://phabricator.services.mozilla.com/D63658

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Bug 1615402 - Part 3: Change ImmutableScriptData::XDR to not need friend access to JSScript. r=mgaudet

Differential Revision: https://phabricator.services.mozilla.com/D63657

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Bug 1615402 - Part 2: Change JSScript::createImmutableScriptData to initImmutableScriptData. r=mgaudet

Differential Revision: https://phabricator.services.mozilla.com/D63656

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Differential Revision: https://phabricator.services.mozilla.com/D63655

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Bug 1621836 - Make SurfaceTextureHost::NumSubTextures() returns 0 when SurfaceTexture does not exist r=nical

When NumSubTextures() returns 0, SurfaceTextureHost is not rendered to WebRebder by a check of AsyncImagePipelineManager::UpdateImageKeys().

Differential Revision: https://phabricator.services.mozilla.com/D66514

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Differential Revision: https://phabricator.services.mozilla.com/D66704

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Differential Revision: https://phabricator.services.mozilla.com/D65416

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Differential Revision: https://phabricator.services.mozilla.com/D65415

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When WebRender is not used, recycle allocator usage for av1 video  causes rendering problem.

Differential Revision: https://phabricator.services.mozilla.com/D66731

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Backed out 2 changesets (bug 1560038) for perma failures on browser_application_panel_list-single-worker.js. CLOSED TREE

Backed out changeset 7cd88f40fc85 (bug 1560038)
Backed out changeset 54dbe282c9ac (bug 1560038)

Differential Revision: https://phabricator.services.mozilla.com/D60792

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Depends on D66719

Differential Revision: https://phabricator.services.mozilla.com/D66720

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`std::forward(invocable)()` ensures that the optimal callback is invoked, in
case there are different versions with different reference qualifiers.
E.g., an rvalue-reference-qualified member function could std::move() from class
members, because the object is about to be destroyed anyway.

Differential Revision: https://phabricator.services.mozilla.com/D66719

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Differential Revision: https://phabricator.services.mozilla.com/D66824

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Bug 1566930 - Default to auto install on the various android mach commands. r=gbrown,perftest-reviewers,whimboo,sparky

Differential Revision: https://phabricator.services.mozilla.com/D64230

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- Add functionality to clone adopted style sheets for printing.
- Add reftest to ensure that the document's adopted styles show in print.
- Add reftest to ensure that a shadow root's adopted styles show in print.

Differential Revision: https://phabricator.services.mozilla.com/D66517

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Bug 1616356 - Record a telemetry event the first time password generation autocomplete is shown for a site r=MattN

* To ensure it is only recorded the first time for a site per session, the event is recorded in the parent process.
* To ensure it is recorded any time the option could be displayed in the popup, there is a check everywhere AutoCompleteResultView.setResults gets called, since the 'results' object represents the options presented in the autocomplete popup, including the password generation option.
  * AutoCompleteParent.showPopupWithResults
    * This covers the case when 'results' changes, and the popup is not currently open.
  * AutoCompleteParent.invalidate
    * This covers the case when 'results' changes, and the popup is already open.
* Also removed some dead code (an extraneous if/else block) in showPopupWithResults.

Differential Revision: https://phabricator.services.mozilla.com/D65407

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Differential Revision: https://phabricator.services.mozilla.com/D63737

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Depends on D66829

Differential Revision: https://phabricator.services.mozilla.com/D66830

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Differential Revision: https://phabricator.services.mozilla.com/D66829

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This commit moves `NS_CreateBackgroundTaskQueue` into an `extern "C"`
block, adds a `create_background_task_queue` function to `moz_task`,
and makes it possible to dispatch Rust `TaskRunnable`s to any event
target, instead of just an `nsIThread`.

Differential Revision: https://phabricator.services.mozilla.com/D66700

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Differential Revision: https://phabricator.services.mozilla.com/D65403

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Neither of these selectors involve the user choosing tasks, so showing
estimates or saving them in the 'mach try again' history doesn't make much
sense.

Differential Revision: https://phabricator.services.mozilla.com/D66628

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Bug 1603463 - [tryselect] Add the ability to run 'mach try auto' with alternative scheduling algorithms, r=tomprince

This allows us to change the default optimization strategy used in try pushes.
While probably not super useful to developers, it can help us easily test
changes to new and experimental optimizations on try.

This also changes the default to the 'bugbug_push_schedules' strategy, since
SETA is more or less random and shouldn't be used by 'mach try auto'. In the
future, we'll switch this back to simply using the default optimization as the
default will ideally be the best one that we have.

Differential Revision: https://phabricator.services.mozilla.com/D65746

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The 'auto' in 'mach try auto' stands for two things:

1. It automatically picks tasks for you.
2. It runs the same scheduling algorithms as autoland.

It accomplishes this by creating a new target_tasks method that spoofs the
'project' parameter to autoland.

Differential Revision: https://phabricator.services.mozilla.com/D60184

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Bug 1603459 - [ci] Add a shadow-scheduler for the new 'bugbug-push-schedules' optimizer, r=tomprince

Differential Revision: https://phabricator.services.mozilla.com/D65586

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Bug 1603459 - [taskgraph] Add an optimizer that queries the bugbug /push/schedules endpoint, r=tomprince

Creates an optimizer that queries https://bugbug.herokuapp.com/push/<branch>/<rev>/schedules
to determine which tasks to run.

Differential Revision: https://phabricator.services.mozilla.com/D65585

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Bug 1615333 - [taskgraph] Upload an artifact from the decision task mapping tests to manifests r=tomprince

Differential Revision: https://phabricator.services.mozilla.com/D62822

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Differential Revision: https://phabricator.services.mozilla.com/D62821

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Differential Revision: https://phabricator.services.mozilla.com/D66680

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Differential Revision: https://phabricator.services.mozilla.com/D66679

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Differential Revision: https://phabricator.services.mozilla.com/D66678

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Differential Revision: https://phabricator.services.mozilla.com/D66677

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This patch turns on various optimization options by default. A later patch will allow us to control these flags with JitOptions.

Depends on D66104

Differential Revision: https://phabricator.services.mozilla.com/D66105

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Bug 1620020: Use MergeSort instead of std::stable_sort to appease check_vanilla_allocations.py r=mgaudet

std::stable_sort allocates a buffer internally for temporary scratch space, but SpiderMonkey doesn't want anybody to allocate memory without going through us. This patch appeases our static analysis.

Depends on D66103

Differential Revision: https://phabricator.services.mozilla.com/D66104

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