* Revert "Avoid ever creating the WidgetInspectorService outside of debug mode. (#21648)"

This reverts commit eeebd833.

* Remove inspector screenshot service extension.

Replaced about 535 "TBD" translations with the real thing.

Added remainingTextFieldCharacterCountTwo, remainingTextFieldCharacterCountMany, remainingTextFieldCharacterCountFew, to GlobalMaterialLocalizations

Revert "Increase initial delay for scroll_perf_test to try to reduce worst frame stats flakiness." (#21743)

This reverts commit 8cf68731.

https://github.com/flutter/engine/compare/6f459e2f10ca...12315736f9ca

git log 6f459e2f10ca..12315736f9ca --no-merges --oneline
12315736f Roll buildroot to c2764d3620d792e71301dff9a66866029ed200f0 (flutter/engine#6237)
1e622d24d Update to newer Skia font API (flutter/engine#6236)
87b4af095 Roll src/third_party/skia e70aed7066c6..44215505623b (1 commits) (flutter/engine#6235)


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This fixes issues 11940 and 18155.

flutter/engine@6f459e2 Revert "Reapply "Some cleanups enabled by removing support for Dart 1" (#6216)"
flutter/engine@0ded891 Roll src/third_party/skia 1b5ece0f06f4..e70aed7066c6 (1 commits)
flutter/engine@4057327 Roll src/third_party/skia bd6595544171..1b5ece0f06f4 (22 commits)
flutter/engine@838eb3d Improve performance of performance overlay by caching.
flutter/engine@7ac3345 Remove root_surface_transformation from PaintContext

flutter/engine@565a194 Flutter roll for Dart.

flutter/engine@9a173a8 Roll buldroot to a11c4fd9fcc7ad84f465d74461421f3ec790fb99

flutter/engine@51b26f6 Revert "Roll buildroot to eba79bb6db1b50a98ab8ce39def287f7d332a5b8 (#6215)"
flutter/engine@7be4462 Roll src/third_party/skia 2bf7a7bcc67f..bd6595544171 (4 commits)
flutter/engine@54fe12b Roll src/third_party/skia 82bf31003c66..2bf7a7bcc67f (1 commits)
flutter/engine@35ddf87 Roll buildroot to eba79bb6db1b50a98ab8ce39def287f7d332a5b8
flutter/engine@6ed00a8 Roll src/third_party/skia 5518e65d90d7..82bf31003c66 (1 commits)
flutter/engine@8d9e20c Roll src/third_party/skia 3c4d533d8ebd..5518e65d90d7 (1 commits)
flutter/engine@8f39cac Roll src/third_party/skia 7891994e89a3..3c4d533d8ebd (1 commits)
flutter/engine@e3133e0 Reapply "Some cleanups enabled by removing support for Dart 1."
flutter/engine@1fb01f3 Roll src/third_party/skia a2bc1ca21bbc..7891994e89a3 (9 commits)
flutter/engine@f19ee56 Roll freetype2 to 6581fd3e9c8645f01c0d51e4f53893f5391f2bf3

* enable lint unnecessary_new

* fix tests

* fix tests

* fix tests

* Don't set the `vmServices` member variable until it's fully initialized.
* Add a timeout to the future that sends the 'started' event to the IDE

https://github.com/flutter/flutter/issues/16604

flutter/engine@9a173a8 Roll buldroot to a11c4fd9fcc7ad84f465d74461421f3ec790fb99

flutter/engine@51b26f6 Revert "Roll buildroot to eba79bb6db1b50a98ab8ce39def287f7d332a5b8 (#6215)"
flutter/engine@7be4462 Roll src/third_party/skia 2bf7a7bcc67f..bd6595544171 (4 commits)
flutter/engine@54fe12b Roll src/third_party/skia 82bf31003c66..2bf7a7bcc67f (1 commits)
flutter/engine@35ddf87 Roll buildroot to eba79bb6db1b50a98ab8ce39def287f7d332a5b8
flutter/engine@6ed00a8 Roll src/third_party/skia 5518e65d90d7..82bf31003c66 (1 commits)
flutter/engine@8d9e20c Roll src/third_party/skia 3c4d533d8ebd..5518e65d90d7 (1 commits)
flutter/engine@8f39cac Roll src/third_party/skia 7891994e89a3..3c4d533d8ebd (1 commits)
flutter/engine@e3133e0 Reapply "Some cleanups enabled by removing support for Dart 1."
flutter/engine@1fb01f3 Roll src/third_party/skia a2bc1ca21bbc..7891994e89a3 (9 commits)
flutter/engine@f19ee56 Roll freetype2 to 6581fd3e9c8645f01c0d51e4f53893f5391f2bf3

* Ensure that the _childElements map is properly traversed as a sparse list and not inflated with garbage collected children.

* Add tests to ensure Lists/Tabs with KeepAlive children can make large jumps, don't lose children (including after rebuild).

* added shortcuts and delete functionality

* added first test

*  afew chnages

* a few changes

* hope this works

* small change

* small changes

* fixed nits

* final changes:

* fixed initializing formals

* update comment

* minor change:

* added line

* final changes

* random change

* changed function to void

* one more

* removed line

* dis betta work

* final change

* actual final chnge

Fixes #21250

https://github.com/flutter/engine/compare/269880b761a5...d52e5cca03fb

git log 269880b761a5..d52e5cca03fb --no-merges --oneline
d52e5cca0 Roll src/third_party/skia cd9d074578e0..a2bc1ca21bbc (8 commits) (flutter/engine#6211)


The AutoRoll server is located here: https://autoroll.skia.org/r/flutter-engine-flutter-autoroll

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If the roll is causing failures, please contact the current sheriff, who should
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https://github.com/flutter/engine/compare/1770f8854835...269880b761a5

git log 1770f8854835..269880b761a5 --no-merges --oneline
269880b76 Roll src/third_party/skia 40c7c64572bc..cd9d074578e0 (6 commits) (flutter/engine#6210)


The AutoRoll server is located here: https://autoroll.skia.org/r/flutter-engine-flutter-autoroll

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* [Material] Corrects default switch color.

* [Switch] Making black32 a local const.

* [Switch] Tests for default colors.

* [Switch] Correcting number for being over 255.

https://github.com/flutter/engine/compare/5c1a826eec4d...1770f8854835

git log 5c1a826eec4d..1770f8854835 --no-merges --oneline
1770f8854 Remove mention of Garnet/Topaz from license (flutter/engine#6209)


The AutoRoll server is located here: https://autoroll.skia.org/r/flutter-engine-flutter-autoroll

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https://github.com/flutter/engine/compare/e27a2e955bc3...5c1a826eec4d

git log e27a2e955bc3..5c1a826eec4d --no-merges --oneline
5c1a826ee Roll src/third_party/skia a3dc329d1db1..40c7c64572bc (1 commits) (flutter/engine#6208)
bf3c22419 Roll src/third_party/skia 2810c856dfa2..a3dc329d1db1 (1 commits) (flutter/engine#6206)
b9523318c Allow embedders to specify a custom GL proc address resolver. (flutter/engine#6204)
bf96dbed3 Revert "Some cleanups enabled by removing support for Dart. (#5621)" (flutter/engine#6205)
335811560 Roll src/third_party/skia 094b3eaf479c..2810c856dfa2 (6 commits) (flutter/engine#6203)
4c2448d15 Some cleanups enabled by removing support for Dart. (flutter/engine#5621)


The AutoRoll server is located here: https://autoroll.skia.org/r/flutter-engine-flutter-autoroll

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* Update fuchsia-tester so it takes map of kernel test files

* Set mainDart correctly. Cleanup nits.

* update gitignore template to mirror

* Add a newline to end of doc

* remove Android/ and iOS/ subfolder gitignores