* Fix transform order in clipStack replay

Clang has different warning settings, so catches different issues than
the VS compile. This fixes various minor issues caught by clang.

Part of https://github.com/flutter/flutter/issues/16256

The license output has a latent change that shows up for any change that
forces a re-run, due to the tonic move. This updates the output to
account for that.

No change in behavior expected. We have 2 frames in flight as before. By switching to Present2 and specifying a kMaxFramesInFlight however, we allow us greater flexibility to change how Flutter schedules its frames.

This change also adds tests for SessionConnection and VsyncRecorder.

https://dart.googlesource.com/sdk.git/+log/48808f7dce81..34893faa6079

git log 48808f7dce81..34893faa6079 --date=short --first-parent --format='%ad %ae %s'
2020-02-05 scheglov@google.com Use DartType.getDisplayString() instead of toString().
2020-02-05 scheglov@google.com Use DartType.getDisplayString() instead of toString().
2020-02-05 scheglov@google.com Use DartType.getDisplayString() instead of toString().
2020-02-05 johnniwinther@google.com [cfe] Implement weak mode constants semantics
2020-02-05 bkonyi@google.com Revert "[ VM / Service ] Added `getClientName`, `setClientName` and `requireResumeApproval` RPCs"
2020-02-05 fishythefish@google.com [dart2js] Remove typedefs from backend.
2020-02-05 nshahan@google.com Revert "[tests] Add tests for generic function type bounds with null safety"

Created with:
  gclient setdep -r src/third_party/dart@34893faa6079

If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
https://autoroll.skia.org/r/dart-sdk-flutter-engine
Please CC dart-vm-team@google.com on the revert to ensure that a human
is aware of the problem.

To report a problem with the AutoRoller itself, please file a bug:
https://bugs.chromium.org/p/skia/issues/entry?template=Autoroller+Bug

Documentation for the AutoRoller is here:
https://skia.googlesource.com/buildbot/+/master/autoroll/README.md

Bug: None
Tbr: dart-vm-team@google.com

Roll fuchsia/sdk/core/mac-amd64 from Ke00Y... to ubThi...

If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
https://autoroll.skia.org/r/fuchsia-mac-sdk-flutter-engine
Please CC  on the revert to ensure that a human
is aware of the problem.

To report a problem with the AutoRoller itself, please file a bug:
https://bugs.chromium.org/p/skia/issues/entry?template=Autoroller+Bug

Documentation for the AutoRoller is here:
https://skia.googlesource.com/buildbot/+/master/autoroll/README.md

https://dart.googlesource.com/sdk.git/+log/68e904e444dc..48808f7dce81

git log 68e904e444dc..48808f7dce81 --date=short --first-parent --format='%ad %ae %s'
2020-02-05 bkonyi@google.com [ VM / Service ] Added `getClientName`, `setClientName` and `requireResumeApproval` RPCs
2020-02-04 vsm@google.com [dartdevc,nnbd] fix type errors in dart:_interceptors
2020-02-04 asiva@google.com [VM/libraries] - Fix issues in ported patch files that cause dart2js to fail (https://github.com/dart-lang/sdk/issues/40463)
2020-02-04 sigmund@google.com [ddc,dart2js] remove web patches for dart:cli
2020-02-04 rmacnak@google.com [vm] Remove FLAG_support_service and FLAG_support_reload, superseded by PRODUCT define.
2020-02-04 nshahan@google.com [dartdevc] Enforce more pedantic v1.9.0 lints and cleanup violations
2020-02-04 nshahan@google.com [tests] Add tests for generic function type bounds with null safety
2020-02-04 paulberry@google.com Migration: rework how ElementTypeProvider overrides element types.
2020-02-04 paulberry@google.com Sort declarations in assignment_expression_resolver.dart
2020-02-04 bkonyi@google.com [ DartFuzz ] Quality of life improvements in log output
2020-02-04 eernst@google.com Adjusted language/assign/to_type_test.dart to avoid irrelevant nnbd type error.
2020-02-04 devoncarew@google.com [migration tool] convert the javascript code in the migration tool to dart
2020-02-04 jcollins@google.com Do not require --enable-asserts for test_assertOnPathOutsidePackage.
2020-02-04 scheglov@google.com Remove 'withNullability' from TypeImpl.toString()
2020-02-04 kustermann@google.com [vm/concurrency] Speed up isolate communication via normal snapshotting
2020-02-04 regis@google.com [VM/nnbd] Fix canonicalization of type 'Never' (fixes #40249).
2020-02-04 jwren@google.com Refactor the CompletionMetricsComputer class into three classes: a subclass and two concrete classes, AbstractCompletionMetricsComputer, CompletionCoverageMetrics and RelevanceAnalyzerMetrics.

Created with:
  gclient setdep -r src/third_party/dart@48808f7dce81

If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
https://autoroll.skia.org/r/dart-sdk-flutter-engine
Please CC dart-vm-team@google.com on the revert to ensure that a human
is aware of the problem.

To report a problem with the AutoRoller itself, please file a bug:
https://bugs.chromium.org/p/skia/issues/entry?template=Autoroller+Bug

Documentation for the AutoRoller is here:
https://skia.googlesource.com/buildbot/+/master/autoroll/README.md

Bug: None
Tbr: dart-vm-team@google.com

There were two variants of string/wstring conversion utils, one using
codecvt_utf8 and the other using codecvt_utf8_utf16. We want the latter,
since we want to be using UTF-16, not UCS2.

https://dart.googlesource.com/sdk.git/+log/3414b5167554..68e904e444dc

git log 3414b5167554..68e904e444dc --date=short --first-parent --format='%ad %ae %s'
2020-02-04 rnystrom@google.com Migrate language_2/abstract to NNBD.
2020-02-04 jcollins@google.com Add a 'run' feature to MultiFutureTracker.
2020-02-04 kustermann@google.com [infa] Respect --sanitizer flag in tools/test.py when running GN
2020-02-04 rmacnak@google.com [vm] Speed-up the stack overflow check as used by reload stress testing.
2020-02-04 scheglov@google.com Issue 40392. Report SWITCH_CASE_COMPLETES_NORMALLY when switch/case completes normally.
2020-02-04 sstrickl@google.com Revert "[vm/aot] Remove object wrapping of bare instructions for AOT snapshots."
2020-02-04 sstrickl@google.com Revert "[gardening] Fix assert failure on (sim)arm_x64 due to 7475c63."
2020-02-04 scheglov@google.com Extract test for CASE_EXPRESSION_TYPE_IMPLEMENTS_EQUALS.
2020-02-04 asiva@google.com [VM/library] Fix signature of waitFor to account for potential null return value. This should fix the breakage in the NNBD on test standalone/io/issue_32052_test
2020-02-04 liama@google.com [test] Run late field tests in optimised mode
2020-02-04 sstrickl@google.com [gardening] Fix assert failure on (sim)arm_x64 due to 7475c63.
2020-02-04 rnystrom@google.com Migrate language_2/argument to NNBD.
2020-02-04 jensj@google.com [CFE] Parser test for class called late and required
2020-02-04 dmitryas@google.com [cfe] Disallow default List constructor invocations in NNBD
2020-02-04 johnniwinther@google.com [cfe] Update tests to show that inc/dec shorting is supported
2020-02-04 victor.agnez@hotmail.com [vm] Allow unboxed integer fields in AOT
2020-02-04 dmitryas@google.com [cfe] Disallow late final fields and const constructors

Created with:
  gclient setdep -r src/third_party/dart@68e904e444dc

If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
https://autoroll.skia.org/r/dart-sdk-flutter-engine
Please CC dart-vm-team@google.com on the revert to ensure that a human
is aware of the problem.

To report a problem with the AutoRoller itself, please file a bug:
https://bugs.chromium.org/p/skia/issues/entry?template=Autoroller+Bug

Documentation for the AutoRoller is here:
https://skia.googlesource.com/buildbot/+/master/autoroll/README.md

Bug: None
Tbr: dart-vm-team@google.com

This allows for targets to depend on the assets generated by the test_fixtures target.

Our tests depend on explicit latching to verify assertion are checked. If a test
does not respond for a long time, it has probably encoutered a deadlock. Instead
of waiting for the test runner to detect this, apply a very aggresive timeout on
a per test basis.

Co-authored-by: NDavid Worsham <arbreng@gmail.com>

* fix runtime type errors when running with canvaskit

Roll fuchsia/sdk/core/mac-amd64 from 6h3IH... to Ke00Y...

If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
https://autoroll.skia.org/r/fuchsia-mac-sdk-flutter-engine
Please CC  on the revert to ensure that a human
is aware of the problem.

To report a problem with the AutoRoller itself, please file a bug:
https://bugs.chromium.org/p/skia/issues/entry?template=Autoroller+Bug

Documentation for the AutoRoller is here:
https://skia.googlesource.com/buildbot/+/master/autoroll/README.md

https://dart.googlesource.com/sdk.git/+log/c8ed304e979a..3414b5167554

git log c8ed304e979a..3414b5167554 --date=short --first-parent --format='%ad %ae %s'
2020-02-04 rnystrom@google.com Migrate language_2/assign to NNBD.
2020-02-04 sstrickl@google.com [vm/aot] Remove object wrapping of bare instructions for AOT snapshots.
2020-02-04 rnystrom@google.com Migrate language_2/accessor_conflict to NNBD.
2020-02-04 vegorov@google.com [runtime/docs] Add custom lexer for shell sessions in runtime wiki.
2020-02-04 vegorov@google.com [vm/docs] Publish "Introduction to Dart VM" source and build tools.
2020-02-04 jensj@google.com [observatory] Allow to say 'break package:foo/file.dart:42'
2020-02-04 jensj@google.com [vm] [debugger] Fix for not breaking in library with mixin
2020-02-04 kustermann@google.com [vm/concurrency] Disable isolate groups in AOT mode
2020-02-04 dmitryas@google.com [cfe] Account for signatures when inserting noSuchMethod forwarders
2020-02-04 johnniwinther@google.com [dart2js] Remove all unneeded casts
2020-02-04 srujzs@google.com Change nnbd_src files to be null-safe
2020-02-04 bkonyi@google.com [ VM / dart:typed_data ] Change fmaxf/fminf to fmax/fmin for Float64x2.clamp
2020-02-04 rmacnak@google.com Mark typed_data/zeroed_allocation_test as slow on reload bots.
2020-02-03 nshahan@google.com [dartdevc] Enforce omit_local_variable_types lint
2020-02-03 nshahan@google.com [tests] Create `null is T` tests in legacy and null safe libraries
2020-02-03 paulberry@google.com Migration: remove test file containing no tests
2020-02-03 srawlins@google.com Final fix for analyzer windows bots; don't canonicalize
2020-02-03 scheglov@google.com Remove TypeSystem.isOverrideSubtypeOf()
2020-02-03 scheglov@google.com Issue 40304. Use runtime type equality for checking overrides.
2020-02-03 jwren@google.com Standard output improvement from metrics_util.dart to print "<no counts>" if  the counter has no counts.
2020-02-03 bkonyi@google.com [ VM / typed_data ] Fixed inconsistent results for -Float32x4.zero().clamp and -Float64x2.zero().clamp
2020-02-03 scheglov@google.com Update dev_compiler/tool/dart2js_nnbd_sdk_error_golden.txt after analyzer change.
2020-02-03 jwren@google.com Completion metrics change- add missing documentation in the relevance_analyzers.dart file, as well as adding DartCompletionRequest as an input to the analyzers
2020-02-03 scheglov@google.com Use TypeSystemImpl instead of TypeProvider in DartObjectImpl.
2020-02-03 scheglov@google.com Use CorrectOverrideHelper in InheritanceManager3.
2020-02-03 alexmarkov@google.com [vm/nnbd] Use NNBD flags from AsExpression, IsExpression
2020-02-03 paulberry@google.com Migration: plumb ElementTypeProvider through FlowAnalysisVisitor.
2020-02-03 paulberry@google.com Migration: avoid ambiguities when adding a cast after a function expression.
2020-02-03 paulberry@google.com Migration: properly handle type parameter types with nullable bounds.
2020-02-03 scheglov@google.com Include types of candidates into INCONSISTENT_INHERITANCE.
2020-02-03 markzipan@google.com Cleaning up corelib test migrations.
2020-02-03 jwren@google.com For 'dartdev format' and 'dartdev format --help', return the output from dartfmt --help, instead of the default output from FormatCommand.printUsage(). This is follow up on https://dart-review.googlesource.com/c/sdk/+/133042
2020-02-03 rmacnak@google.com Reapply "[vm] Initialize large typed arrays only once."
2020-02-03 rmacnak@google.com [vm, gc] Remove BumpAllocationScope.
2020-02-03 rmacnak@google.com [vm, gc] Document safepointing.
2020-02-03 jcollins@google.com Implement FantasySubPackage.
2020-02-03 brianwilkerson@google.com Change the tests of quick fixes so they can use real lint results
2020-02-03 sortie@google.com [dart:io] Backport semantic changes from the dart:io NNBD migration.
2020-02-03 johnniwinther@google.com [cfe] Non-nullify legacy types in opt-in libraries
2020-02-03 johnniwinther@google.com [cfe] Rename LibraryBuilder.uri to importUri
2020-02-03 kustermann@google.com [vm] Specialize TTS stubs only for legacy types
2020-02-03 johnniwinther@google.com [cfe] Detects writes during initialization in late final field lowering
2020-02-03 johnniwinther@google.com Fix language/operator/invalid_operators_test
2020-02-03 dmitryas@google.com [cfe] Disallow non-nullable fields without initializers
2020-02-03 johnniwinther@google.com [cfe] Handle explicit extension operator access from dill.
2020-02-03 victor.agnez@hotmail.com [vm] Remove flag unbox_numeric_fields
2020-02-03 askesc@google.com [vm/aot] Use a global dispatch table for instance calls in AOT.
2020-02-03 askesc@google.com [vm] Share implementation of LoadClassIdInstr across architectures.
2020-02-03 devoncarew@google.com [nnbd tool] move nnbd preview tool resources to individual files
2020-02-02 scheglov@google.com Extract CorrectOverrideHelper and use for checking mixin applications.
2020-02-02 sigmund@google.com Fix type error within _EventStream.onData
2020-02-02 srawlins@google.com NNBD Preview: Fixes for a few edit details

Created with:
  gclient setdep -r src/third_party/dart@3414b5167554

If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
https://autoroll.skia.org/r/dart-sdk-flutter-engine
Please CC dart-vm-team@google.com on the revert to ensure that a human
is aware of the problem.

To report a problem with the AutoRoller itself, please file a bug:
https://bugs.chromium.org/p/skia/issues/entry?template=Autoroller+Bug

Documentation for the AutoRoller is here:
https://skia.googlesource.com/buildbot/+/master/autoroll/README.md

Bug: None
Tbr: dart-vm-team@google.com

There are two issues in the test as written:
* There is a race on the first check to dtor_task_queue_id which might be
  encountered if the calling thread is de-scheduled and the unref queue manages
  to collect the object before the end of the scope.
* Two threads were owning a shared object but we relied on the object to be
  collected on the unref queue.

Added API guards to flags in PlatformPlugin that were introduced after Flutter's min SDK version. (#13965)

Fixes a bug where deleteBackward was checking for being at the start of
the text before checking for a non-empty selection, breaking deletion
when the entire text field was selected.

Also removes an (incorrect) post-deletion position update that was
redundant with code in insertText:replacementRange:, and thus having no
effect.

Fixes https://github.com/flutter/flutter/issues/46150

 add compileExpressionToJs in frontend server in preparation for coming
  evaluation changes in the SDK

Investigation is being tracked in https://github.com/flutter/flutter/issues/50032.

https://dart.googlesource.com/sdk.git/+log/ed441e48d055..c8ed304e979a

git log ed441e48d055..c8ed304e979a --date=short --first-parent --format='%ad %ae %s'
2020-02-02 devoncarew@google.com [dartdev] add a dartdev 'create' command

Created with:
  gclient setdep -r src/third_party/dart@c8ed304e979a

If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
https://autoroll.skia.org/r/dart-sdk-flutter-engine
Please CC dart-vm-team@google.com on the revert to ensure that a human
is aware of the problem.

To report a problem with the AutoRoller itself, please file a bug:
https://bugs.chromium.org/p/skia/issues/entry?template=Autoroller+Bug

Documentation for the AutoRoller is here:
https://skia.googlesource.com/buildbot/+/master/autoroll/README.md

Bug: None
Tbr: dart-vm-team@google.com