https://skia.googlesource.com/skia.git/+log/2d7678d..18562b8

Created with:
  gclient setdep -r src/third_party/skia@18562b8

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https://skia.googlesource.com/buildbot/+/master/autoroll/README.md

If the roll is causing failures, please contact the current sheriff, who should
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I forgot that the identifiers need to be unique per page for the animation tags.
This makes them unique.

Doc change only, no code.

This updates the documentation for StrokeJoin and StrokeCap to contain animated diagrams that describe their function. The actual diagrams reside in the assets-for-api-docs repo.

libtxt will query Skia for a fallback typeface when it encounters a character
that is not found in the primary font.  The font collection should make all
the variants of the fallback typeface's font family available to Minikin for
use in future font lookups.

Fixes https://github.com/flutter/flutter/issues/17985

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* Move the handling of delegating AppDelegate callback out of FlutterAppDelegate.

Also moves the plugin registry to FlutterViewController. So each view-controller will handle its
own plugins.

This is intended to simplify including one or more Flutter views in an existing iOS app and giving
more precise control of plugin registration.

Fixes: https://github.com/flutter/flutter/issues/16539

* formatting

* Update license golden file

* Fixed type error

* FREEZE.unindexed

* Fix Header types

* Revert "FREEZE.unindexed"

This reverts commit bebb70056c9bcb90b4321bdc2873896623ed6faa.

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Adds --dynamic and --interpreter flags to
tools/gn. These flags result in engines with
properties as follows:

--dynamic:
- JIT targeting native code on Android and
  DBC on iOS

--interpreter
- Target DBC even if running on Android.

For example:

gn --android --dynamic --interpreter --runtime-mode release

Will generate an engine:
- Without Dart asserts
- Without Observatory
- With JIT compililation to DBC

into out/android_dynamic_release_dbc

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* Roll dart to a5e41681e55d1e74684bfff530218db556d77ee8.

* Update license

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Fixes https://github.com/flutter/flutter/issues/18014

* Remove uses of ReleaseOwnership from vulkan backend.

Flutter no longer needs to release ownership of objects to skia so this change removes the api calls.

* Remove Release call from vulkan_device.cc

* Update vulkan_application.h

* Update vulkan_application.cc

* Update vulkan_handle.h

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This changes the ownership of the VkInstance and VkDevice back to the flutter's objects. I am trying to move skia into a world where GrVkBackendContext is purely a description of the vulkan context skia should use and is just passed in during GrContext creation. It shouldn't need to be ref counted or actually do work in destructor (those changes to come later). This is just a first step towards getting there.

A given character may render differently in various locales, and fonts on the
host system may be tagged with locale metadata in order to support this.
If the text renderer needs to find a fallback font for a character, it should
pass the preferred locale to Skia's font manager which can use it to find the
best matching font.

The font collection also needs to maintain different caches of fallback fonts
for each locale.

See https://github.com/flutter/flutter/pull/17879

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This includes the following commits

  dart-lang/sdk@1fe279d859 (origin/master, origin/HEAD) Fix _FutureListener.handleError() to use explicit type for Zone.runBinary
  dart-lang/sdk@a9257d05fb [vm] Prepare status files for dartk reload/rollback builders (#33126)
  dart-lang/sdk@6ac6baae8e Record interfaceTargets for calls on dynamic receivers
  dart-lang/sdk@82755aa303 Rename ClosedWorld to JClosedWorld and merge it with ClosedWorldRefiner
  dart-lang/sdk@b58cc36ddc Extract KClosedWorld from ClosedWorld.
  dart-lang/sdk@9a193853d4 [VM] Mark a few tests as passing
  dart-lang/sdk@5c2cec0e19 Make _FilesReferencingNameTask faster by using maintained FileSystemState.knownFiles list.
  dart-lang/sdk@5269e21913 Fix for MockSdk on Windows.
  dart-lang/sdk@d0b28d2040 Fix analysis_server tests on Windows.
  dart-lang/sdk@9d83013040 Use known FileState from FileSystemState directly.
  dart-lang/sdk@b3b528648b Discover all SDK libraries.
  dart-lang/sdk@41e1d2cc28 [dart2js] Fix --csp
  dart-lang/sdk@56424f08a8 [js_runtime] Test for JavaScriptFunction type tests.
  dart-lang/sdk@5f9fcd0bbc [vm, x64] Remove embedded address from the implementation of math.min/max.
  dart-lang/sdk@025cee6f1f Skip tests of snapshot determinism on Windows.
  dart-lang/sdk@6ba8c711fa Observatory strong mode fix: expand the class hierarchy for debug events.
  dart-lang/sdk@f3502f9051 Fix bug in RTI optimization
  dart-lang/sdk@d319d3eda4 [vm/kernel/bytecode] Do not generate bytecode for external (native) members
  dart-lang/sdk@7246d2e759 Fix exception in fix processor (issue 33312)
  dart-lang/sdk@b19560e7ad Implement stubs for the remaining converted generators
  dart-lang/sdk@b7266fa3b3 [vm/kernel/bytecode] Support async/async*/sync* in bytecode generator
  dart-lang/sdk@c6cf61752e Update PluginWatcherTest to the fact that async functions start running synchronously.
  dart-lang/sdk@e1549df93f Fix regression introduced in 'Use AbstractValue in most of ssa'
  dart-lang/sdk@184df3aee0 Make AnalysisServer.getAnalysisResult() sync to avoid changing behavior between Dart1 and Dart2.
  dart-lang/sdk@99a5f149ac [vm] Enable type stubs based type checks in JIT mode for some types.
  dart-lang/sdk@90c4215af4 [vm] Adds full GC check on all external allocations
  dart-lang/sdk@bef7cd354f Observatory strong mode fix: Use .nodes= instead of .children= to accommodate text nodes.
  dart-lang/sdk@72aae537a2 Observatory strong mode fix: clean up port mocking.
  dart-lang/sdk@312f02532a [js_runtime] JavaScriptFunction matches any Dart function type
  dart-lang/sdk@c8860b4ca2 Remove all uses of --limit-ints-to-64-bits VM option
  dart-lang/sdk@5db95fbb61 Upgrade mockito to latest version.
  dart-lang/sdk@1bc9b8d00c Mark ContextRoot.pathContext constructor argument as required.
  dart-lang/sdk@b7bc0d06c4 Fix state machine in _DiscoverAvailableFilesTask.perform
  dart-lang/sdk@2c44dc11c7 Improve type variable recovery
  dart-lang/sdk@789ceee184 Update version number in DEPS for dart2js_info pkg
  dart-lang/sdk@0629e3afa5 [VM] Fix vm/cc/DartAPI_TypeGetParameterizedTypes test
  dart-lang/sdk@e18fd7c3e7 Remove the test for getNavigation() and removing the analysis context.
  dart-lang/sdk@2a545d7153 Initial implementations for some of the generator methods
  dart-lang/sdk@5f42fe5822 Simplify DartCompletionContributorTest.computeSuggestions() async behaviour.
  dart-lang/sdk@f6ece48aba Fix the test that want to run async code to be async.
  dart-lang/sdk@e9a60098bb [VM] Use UserVisibleName for types in error messages reported to users to make the error more clear. This fixes the case in issue 33303.
  dart-lang/sdk@cb07f74f4b Clean up some of analyzers generators based on feedback
  dart-lang/sdk@e9818eefd8 Update analyzer status about type parameters on constructors.
  dart-lang/sdk@6f68bec1bc TBR: Typos fixed
  dart-lang/sdk@545ad130a2 Fix a couple of bugs in the analyzer forest implementation
  dart-lang/sdk@85b4a799eb Search references to elements and subtypes in all known (and discovered) files.
  dart-lang/sdk@4fb6395058 Report error when a constructor has type parameters.
  dart-lang/sdk@315a186dc4 Better test error handler argument types.
  dart-lang/sdk@0aadba1189 Revert "[vm] Enable type stubs based type checks in JIT mode for some types."
  dart-lang/sdk@4be50d6fa1 [vm] Enable type stubs based type checks in JIT mode for some types.
  dart-lang/sdk@1d8bef0d89 Remove class TypeInferenceEngineImpl
  dart-lang/sdk@dd83e698d8 Add 64-bit integer semantics to the specification.
  dart-lang/sdk@a10eda4988 update dart2js status files
  dart-lang/sdk@6458b5da2f Always include added files into the list of files to discover.
  dart-lang/sdk@c984e63f61 Skip tests of snapshot determinism in checked mode.
  dart-lang/sdk@99dadf4d7f Remove unneeded (and incorrectly typed) mock step
  dart-lang/sdk@f87933d845 Introduce tests specific to behaviors of FunctionType.
  dart-lang/sdk@64cfdb4cc6 Remove _explicitTypeParameters and substitute4 from FunctionTypeImpl.
  dart-lang/sdk@b930ae19b1 Fix regression in deferred loading (part2)
  dart-lang/sdk@a0c4ac14c1 Omit redundant bounds check for Dart2 on typed setters/getters.
  dart-lang/sdk@2ad29cbd15 Remove unnecessary uses of toExpression
  dart-lang/sdk@7a76a40438 Add several other generators
  dart-lang/sdk@483c42b899 Switch dart2js to use dart 2 vm.
  dart-lang/sdk@f5d991e6a1 Support extracting selected statements into a new Flutter widget.
  dart-lang/sdk@89c2da2846 Add generator for unlinked names
  dart-lang/sdk@c911a1bef6 Clean up additional dart2js strong mode runtime error and don't add method type variable in dart 1 version.
  dart-lang/sdk@9a02f5bf4d [vm/kernel] Fix bugs with expression evaluation in debug mode.
  dart-lang/sdk@0aad13db00 Revert 'Copy @failingTest annotations to mixin applications.'
  dart-lang/sdk@41c5da8919 [vm] Fix non-reproducibility of VM builds.
  dart-lang/sdk@e8659b0f28 Remove skipTypeVariables

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See https://github.com/flutter/flutter/issues/18101

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