#124624)

When swapping out delegate of  selectioncontainer, if the newly passed in delegate doesn't have any selectable content(which is usually the case), the selectioncontainerstate will notify all of the listeners. One of the listener would be SelectionRegistrant._updateSelectionRegistrarSubscription, and since it doesn't have content, it would remove itself from the listener which causes concurrent modification

This PR is to: 
* Update API doc for `SearchBar`.
* Add an example to show how to use a `SearchBar` as the builder of the `SearchAnchor`.

…125001)

flutter/engine@b2d0738...20034a8

2023-04-17 [email protected] Reland  "Migrate mac_host_engine to engine v2 builds." (flutter/engine#41279)
2023-04-17 [email protected] [rotation_distortion] Use "delayed swap" solution to reduce rotation distortion (flutter/engine#40730)
2023-04-17 [email protected] null check added to avoid NPE while calling FlutterView.detachFromFlutterEngine() (flutter/engine#41082)
2023-04-17 [email protected] [Impeller] Make `DoMakeRasterSnapshot` output timeline event. (flutter/engine#41197)
2023-04-17 [email protected] [Impeller] Remove ContentContextOptions declarations from AnonymousContents (flutter/engine#41256)
2023-04-17 [email protected] Roll Dart SDK from 786a70d8ef6b to a335e6724332 (1 revision) (flutter/engine#41278)
2023-04-17 [email protected] Roll Fuchsia Linux SDK from atix5Ek_OOxH-uoPA... to Cy5LG4U2InaFLkJGz... (flutter/engine#41275)

Also rolling transitive DEPS:
  fuchsia/sdk/core/linux-amd64 from atix5Ek_OOxH to Cy5LG4U2InaF

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Adding my name (Harish Anbalagan) to Authors.

…ocs (#124898)

Just found this while trying to run the integration test shard of `flutter_tools` locally :)

This is motivated by part of the 2D scrolling proposal: [flutter.dev/go/2D-Foundation](https://flutter.dev/go/2D-Foundation)

This is one of the last little PRs to prep for the 2D scrolling foundation. 
This adds an optional `axis` parameter to the static Scrollable methods `[of, maybeOf, recommendDeferredLoadingForContext]`. This allows developers that are nesting scrollables (or one day using 2D scrolling) to look them up instead by a particular axis.

In general, even outside the context of 2D, I think this is helpful. I am often asked how to get the outer scrollable when nesting. Now it can be done.

There is also a small semantic refactor here in ScrollableState.build, this just creates a private method (_buildChrome) that will be overridden in 2D later. It is easier to add now than in the really big PR that will be.

…125004)

flutter/engine@20034a8...4a603aa

2023-04-17 [email protected] Remove 'Mac mac_unopt' in favor of Linux (flutter/engine#41226)
2023-04-17 [email protected] [Impeller] Add debug ToString methods to render targets. (flutter/engine#41221)

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…125007)

flutter/engine@4a603aa...c4396f9

2023-04-17 [email protected] Roll impeller-cmake-example to 58042bb24833a3cbd615ad082b1d17daef42d097 (flutter/engine#41280)
2023-04-17 [email protected] Reland ui_web files in sky_engine (flutter/engine#41169)

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…4476)

during performLayout, active children's constraints were updated, but they weren't laid out again w.r.t their parent (ListWheelScrollView).

Fixes #123497

…mField Widget (#124143)

Adds `acceptEmptyDate` property to `InputDatePickerFormField`.

Fixes: #117511

| `acceptEmptyDate` is **false** | `acceptEmptyDate` is **true** |
| --- | ---|
| ![acceptemptydate_false](https://user-images.githubusercontent.com/13456345/229893658-280ecdee-d509-4579-b53c-9d8d485c61b4.gif) | ![acceptemptydate__true](https://user-images.githubusercontent.com/13456345/229895144-115e71bd-e5bb-4653-8db2-9f57dd8262aa.gif) |

This PR was generated by `flutter update-packages --force-upgrade`.

…125039)

flutter/engine@c4396f9...d297361

2023-04-18 [email protected] [macOS] Fix Ctrl+Tab is broken
(flutter/engine#40706)
2023-04-18 [email protected] Roll Fuchsia Mac SDK from
K1LGtKXyxRlW3Q9O1... to qZHSvkpAU1-YYGvYc... (flutter/engine#41293)
2023-04-18 [email protected] Roll buildroot to
059d155b4d452efd9c4427c45cddfd9445144869 (flutter/engine#41288)
2023-04-18 [email protected] [Impeller] Remove glyph pixel rounding
during text frame conversion (flutter/engine#41285)
2023-04-18 [email protected] Revert "Reland "Migrate mac_host_engine
to engine v2 builds."" (flutter/engine#41284)
2023-04-17 [email protected] focus SkiaGPUObject wrappers on only those
objects that need the protection (flutter/engine#41237)

Also rolling transitive DEPS:
  fuchsia/sdk/core/mac-amd64 from K1LGtKXyxRlW to qZHSvkpAU1-Y

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flutter/packages@0277f2a...faf53fb

2023-04-18 [email protected] Manual roll Flutter from 50171bb to 15cb1f8 (9 revisions) (flutter/packages#3749)
2023-04-17 [email protected] [palette_generator] run agp update for example (flutter/packages#3747)
2023-04-17 [email protected] [go_router] Fixes a bug that go_router would crash if pageBuilder depends on InheritedWidgets.s. (flutter/packages#3714)
2023-04-17 49699333+dependabot[bot]@users.noreply.github.com [pigeon]: Bump com.android.tools.build:gradle from 7.3.1 to 8.0.0 in /packages/pigeon/platform_tests/alternate_language_test_plugin/android (flutter/packages#3727)
2023-04-17 49699333+dependabot[bot]@users.noreply.github.com [pigeon]: Bump com.android.tools.build:gradle from 7.3.1 to 8.0.0 in /packages/pigeon/platform_tests/test_plugin/android (flutter/packages#3726)
2023-04-17 49699333+dependabot[bot]@users.noreply.github.com [pigeon]: Bump io.mockk:mockk from 1.13.4 to 1.13.5 in /packages/pigeon/platform_tests/test_plugin/android (flutter/packages#3725)
2023-04-17 [email protected] [tool] Add initial gradle validation command (flutter/packages#3715)

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Impeller is now the default on iOS, so these are redundant.

In a subsequent change, I'll clean up the source files for these.

…125047)

flutter/engine@d297361...55bb065

2023-04-18 [email protected] [fuchsia] migrate touch-input integration tests to gfx scene manager test ui stack (flutter/engine#41118)

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Fixes the cursor location after selecting a spell check result on iOS.

Tidying up the spell check API.

…123651)

## Description

This updates the copy icon for copying sample code to use `content_copy` instead of `assignment`.
Before:
<img width="369" alt="223876418-2470c4c5-abfc-4511-9762-1fd0b6e05903" src="https://user-images.githubusercontent.com/8867023/228396142-450125ee-d8cf-4ede-8545-5920eb0da99d.png">

After:
<img width="408" alt="image" src="https://user-images.githubusercontent.com/8867023/228395959-8531704a-77aa-43af-9dcf-7456bb2ed090.png">

## Related Issues
 - Fixes #122246

## Tests
 - No tests needed.

Fixes #125049

This is blocking the dart roll, dart fix will now fix some invalid code that was in these test cases. These test case files are un-analyzed intentionally because they are by nature samples of broken code.