https://skia.googlesource.com/skia.git/%2Blog/bc7402f30ad8..f9264bac4e99

git log bc7402f30ad83f04a81401cc2b1bcb19d7dec7a9..f9264bac4e995c2ee0fbd127ce10000ceed30945 --date=short --no-merges --format=%ad %ae %s
2019-03-22 skia-autoroll@skia-public.iam.gserviceaccount.com Roll third_party/externals/swiftshader cf1866183620..2e96bac879cf (2 commits)
2019-03-22 brianosman@google.com Remove Perf-Valgrind-AbandonGpuContext bot
2019-03-22 skia-autoroll@skia-public.iam.gserviceaccount.com Roll third_party/externals/swiftshader 3dbb77576f93..cf1866183620 (1 commits)
2019-03-22 bsalomon@google.com Revert "Use glTexStorage for non-MIP mapped textures."
2019-03-22 skia-autoroll@skia-public.iam.gserviceaccount.com Roll third_party/externals/swiftshader af26cfe3fd74..3dbb77576f93 (1 commits)
2019-03-21 bsalomon@google.com Use glTexStorage for non-MIP mapped textures.
2019-03-22 skia-autoroll@skia-public.iam.gserviceaccount.com Roll third_party/externals/swiftshader 4d3cdbc27b79..af26cfe3fd74 (1 commits)
2019-03-21 reed@google.com update/add benches to look at colorspace as well as alphatype

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

Documentation for the AutoRoller is here:
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If the roll is causing failures, please contact the current sheriff (brianosman@google.com), and stop
the roller if necessary.

fa74184b7a Verify that constructor initializers use only potentially constant expressions.

8b8a8f7b4e Report error for invalid this/super in initializer
74b7890597 Fix a few mistakes and oversights in the control flow collection tests.
f5d97104e8 [dartdevc] Fix ForElement downcasts and expected run time errors

266d823f5c remove unused scanner error list
986fbe34d7 [dartdevc] fix #36275, emit members whose names are from other libraries
602ac1226d Check if element conditions for downcasts
2ffe0c7b7a Report not potential constants in ShortCircuitOperators.
298dacfef5 [vm] Avoid main thread compilation of implicit accessors.
1e405a8226 [ddc] sidestep constant regression in ddk
61e71e785f Prepare to publish analyzer version 0.36.0
c403804d9c [vm/interpreter] Take arg desc into consideration when resolving call method in invoke field dispatchers.
40e77d29d5 Tests for implicit cast properties; add cast for `<T>[...dynamic]`.
9622562482 Make _cancelWakeup a no-op if _sendPort is null
8f827aef4f [vm/bytecode] Recognize identical() in bytecode flow graph builder
02d5d26b83 Fix for 'int' in const List<void>.

A DCHECK was checking incorrect values, and this corrects it.

https://skia.googlesource.com/skia.git/%2Blog/f4af3608b95a..bc7402f30ad8

git log f4af3608b95a188777441c955d213263d9b1916b..bc7402f30ad83f04a81401cc2b1bcb19d7dec7a9 --date=short --no-merges --format=%ad %ae %s
2019-03-21 benjaminwagner@google.com [infra] Cleanup unused OS mappings in gen_tasks.go
2019-03-22 skia-autoroll@skia-public.iam.gserviceaccount.com Roll third_party/externals/swiftshader 756b54d7073a..4d3cdbc27b79 (1 commits)
2019-03-22 skia-autoroll@skia-public.iam.gserviceaccount.com Roll third_party/externals/swiftshader 3f9c56c3cd54..756b54d7073a (2 commits)
2019-03-22 recipe-mega-autoroller@chops-service-accounts.iam.gserviceaccount.com Roll recipe dependencies (trivial).
2019-03-22 skia-autoroll@skia-public.iam.gserviceaccount.com Roll third_party/externals/swiftshader b55772e6e7dd..3f9c56c3cd54 (1 commits)

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

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

If the roll is causing failures, please contact the current sheriff (brianosman@google.com), and stop
the roller if necessary.

https://skia.googlesource.com/skia.git/%2Blog/a39bbdad93be..f4af3608b95a

git log a39bbdad93be9778642d9f3bca3904f649222d16..f4af3608b95a188777441c955d213263d9b1916b --date=short --no-merges --format=%ad %ae %s
2019-03-22 skia-autoroll@skia-public.iam.gserviceaccount.com Roll third_party/externals/angle2 2219b18c984e..9e586a0f8a1c (1 commits)
2019-03-22 skia-recreate-skps@skia-swarming-bots.iam.gserviceaccount.com Update go_deps asset

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https://skia.googlesource.com/skia.git/%2Blog/d0995493f8f3..a39bbdad93be

git log d0995493f8f3d1d4d882c6b5b5dbc327072dd41b..a39bbdad93be9778642d9f3bca3904f649222d16 --date=short --no-merges --format=%ad %ae %s
2019-03-21 recipe-mega-autoroller@chops-service-accounts.iam.gserviceaccount.com Roll recipe dependencies (trivial).
2019-03-21 recipe-mega-autoroller@chops-service-accounts.iam.gserviceaccount.com Roll recipe dependencies (trivial).

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

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https://skia.googlesource.com/skia.git/%2Blog/19fb3971bca5..d0995493f8f3

git log 19fb3971bca5dd30c33513697fa082075c07c036..d0995493f8f3d1d4d882c6b5b5dbc327072dd41b --date=short --no-merges --format=%ad %ae %s
2019-03-21 skia-autoroll@skia-public.iam.gserviceaccount.com Roll third_party/externals/swiftshader 80c796becc43..b55772e6e7dd (2 commits)
2019-03-21 skia-autoroll@skia-public.iam.gserviceaccount.com Roll third_party/externals/swiftshader 4ecc9d4073ce..80c796becc43 (1 commits)
2019-03-21 skia-autoroll@skia-public.iam.gserviceaccount.com Roll ../src b57a03014063..9aca4d1c479e (502 commits)
2019-03-21 bungeman@google.com Make zoom in viewer exponential.
2019-03-21 rmistry@google.com Fix upload collisions in the AndroidOne SkottieTracing bot
2019-03-21 csmartdalton@google.com Rename GrAAFillRRectOp to GrFillRectOp
2019-03-21 skia-autoroll@skia-public.iam.gserviceaccount.com Roll third_party/externals/angle2 232bfeae6b29..2219b18c984e (6 commits)
2019-03-21 skia-autoroll@skia-public.iam.gserviceaccount.com Roll third_party/externals/swiftshader 603a1b53f72e..4ecc9d4073ce (2 commits)
2019-03-21 bsalomon@google.com Put SkImageInfo on SkImage to avoid cost of reconstructing for queries.
2019-03-21 skia-autoroll@skia-public.iam.gserviceaccount.com Roll third_party/externals/swiftshader 7bc4f45a391f..603a1b53f72e (2 commits)
2019-03-21 egdaniel@google.com In viewer measure and show full frame times.

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

Documentation for the AutoRoller is here:
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Do not drop the DartExecutor's message handler when a FlutterNativeView is detached from the FlutterView (#8254)

An activity can use ViewFactory.retainNativeFlutterView to reuse a
FlutterNativeView across multiple instances of the activity.  In this
scenario, the FlutterNativeView should continue to handle incoming messages
sent from Dart.

ba0147ac07 Resynthesize typedef(s) and generic function types.
a7a36961bd math: dartfmt -f --fix
1d7dcfff97 Cleanup scanner tests

https://skia.googlesource.com/skia.git/%2Blog/d6ab77a2e20f..19fb3971bca5

git log d6ab77a2e20ff54644ffc247da4dd2ea755c1111..19fb3971bca5dd30c33513697fa082075c07c036 --date=short --no-merges --format=%ad %ae %s
2019-03-21 mtklein@google.com de-common some flags
2019-03-21 jvanverth@google.com Revert "Fix blurry edges on large ovals."
2019-03-21 brianosman@google.com Add maksing to SkSL byte code generator to please MSVC's RTC
2019-03-21 kjlubick@google.com [canvaskit] npm version 0.5.1
2019-03-21 ethannicholas@google.com fix Google3 roll
2019-03-21 bungeman@google.com Add font scale and skew in x to viewer.
2019-03-20 bungeman@google.com Always draw emoji with GPU.
2019-03-21 jvanverth@google.com Check for null parameter to SkOffsetSimplePolygon
2019-03-21 rmistry@google.com Add new AndroidOne SkottieTracing bot
2019-03-21 michaelludwig@google.com Use YUV effect in drawEdgeAAImageSet
2019-03-21 mtklein@google.com DEFINE_int32 + DEFINE_uint32 -> DEFINE_int
2019-03-21 brianosman@google.com Remove SkColorSpaceXformCanvas, and supporting code:
2019-03-21 jvanverth@google.com Fix blurry edges on large ovals.
2019-03-21 mtklein@google.com moar static flags
2019-03-21 rmistry@google.com New perf-skottietrace recipe
2019-03-21 mtklein@google.com refactor for saner constness
2019-03-21 mtklein@google.com update SkShader appendStages() fallback plan

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

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If the roll is causing failures, please contact the current sheriff (brianosman@google.com), and stop
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This PR mirrors virtual a11y tree of embedded platform views in the Flutter
a11y tree.

Non virtual hierarchies are not currently supported.

Only works on Android versions earlier than Android P as it relies on
reflection access to hidden system APIs which cannot be done starting
Android P.

A11y is not yet working as we also need to delegate a11y events from the
platform view to the FlutterView. This will be done in a following PR to
keep the change size a little saner.

FlutterJNI no longer asserts it is attached when dispatching platform messages and instead fizzles with a warning if not attached. Not sure what root cause of issue is, but this is necessary to avoid crashes. (#8246)

cabaa78cc5 [VM] Generalize generic bounds check elimination
16eefa4b75 [VM] Infer ranges for truncating divisions with positive divisor & Fix missing deopt env bug
46e0a87008 Add summary support for "for each" elements with declarations.
915b35e463 Add summary support for "for each" elements with identifiers.
3019a8873a Check for completeness of test_all in analysis server and analyzer plugin
9b5a956a0e Remove AstTestFactory.forStatement2
a7ab99dd84 [vm/kernel] Index all source and line starts before using them
1f10174891 [vm/service] Test collecting coverage for a concatenated dill file
0cacd6c28d [CFE] Compile if map entries in map literals
7dd4259d87 Handle ir constants in inferrer
8915407f2c Support computation of NativeData directly from IrAnnotationData
eb344e2072 Keep live libraries and uri to source in sync
2805a376b2 Added tests for superinterface variance constraints
34af8b95e5 Revert "[vm] Free readonly header bit so it can be used for other uses."
59931e3340 [vm] Free readonly header bit so it can be used for other uses.
cb4b6157a2 fix #36205, static calls in dart:html should directly call the DOM
e3d6fc974f [dart/vm] fix off-by-a-lot error in DAG test
ecb1bff326 Add summary support for `for` elements with declarations.
7d277c4a32 Introduce methods and classes to replace "2" variants left over from "UI as code" work.
973a4d0b2e [vm] Drop 'testonly = true' from gen_kernel_bytecode_dill GN rule
c79927fdd7 Change type of `Expression.precedence` to the Precedence class.
b10ac42527 [VM] Parentenvironment for Macos and Android
9f00d1b384 [VM] Ensure Top level class is finalized for loadedscripts in library
24e5f9142a Revise ElementResolver postfix NNBD bang processing
2919b5577f [Analyzer] move usage of mostSpecificTypeArgument in resolver
d9371f206d Integration test for AstBinaryWriter and AstBinaryReader.
137171af71 [VM runtime] Disable dual mapping code in AOT runtime (fixes #36260).
d14dfc5d8a [vm] Support FFI on ARM64 and Android.
b032f1b284 [vm] Support FFI on 32-bit Intel.
b78e386bbb Remove ConstantUseKind enum
e2c577333c [testing] Mark an uncatchable flaky test as Skip.
a2d7227a76 [vm] Never give DBC instructions executable permissions.
6135a81d51 Separate type reference resolution and types building.
8556e97218 Remove ResultProvider and its implementations.
495c319574 Reland "Add hints to check the SDK constraints for both set literals and for the ui-as-code features"
416649250f Rework tracking of variables in scope while summarizing expressions.

https://skia.googlesource.com/skia.git/%2Blog/a695da930510..d6ab77a2e20f

git log a695da930510831e7d1a7be3ddf98b9f8183b91c..d6ab77a2e20ff54644ffc247da4dd2ea755c1111 --date=short --no-merges --format=%ad %ae %s
2019-03-21 mtklein@google.com restore .clang-format
2019-03-21 skia-autoroll@skia-public.iam.gserviceaccount.com Roll third_party/externals/swiftshader 9041bb7c0011..7bc4f45a391f (2 commits)
2019-03-21 ethannicholas@google.com Initial checkin of new SkSL interpreter.
2019-03-21 skia-autoroll@skia-public.iam.gserviceaccount.com Roll third_party/externals/swiftshader 290908500aed..9041bb7c0011 (1 commits)
2019-03-21 rmistry@google.com Remove auto adding CQ keywords for non-master branches
2019-03-21 skia-autoroll@skia-public.iam.gserviceaccount.com Roll third_party/externals/swiftshader aff2dd067015..290908500aed (2 commits)
2019-03-20 bsalomon@google.com Avoid making new image snapshot in GPU->GPU SkSurface::draw()
2019-03-21 skia-autoroll@skia-public.iam.gserviceaccount.com Roll skia/third_party/skcms 10ed3a8a5eec..99740cdf2835 (1 commits)
2019-03-21 robertphillips@google.com Add support for Y410 (i.e., 1010102) to wacky_yuv_formats
2019-03-21 kjlubick@google.com Add GN args for GL/GLES interface
2019-02-20 tushar.khandelwal@arm.com Store LZW dictionary suffixes in larger chunks

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

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

If the roll is causing failures, please contact the current sheriff (brianosman@google.com), and stop
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https://skia.googlesource.com/skia.git/%2Blog/174a3f61fd5d..a695da930510

git log 174a3f61fd5dd38d4ea8943f68ca6d9267252d68..a695da930510831e7d1a7be3ddf98b9f8183b91c --date=short --no-merges --format=%ad %ae %s
2019-03-21 skia-autoroll@skia-public.iam.gserviceaccount.com Roll third_party/externals/angle2 f455f7565a7a..232bfeae6b29 (4 commits)
2019-03-20 benjaminwagner@google.com Add more detail on configuring jobs.

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

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

If the roll is causing failures, please contact the current sheriff (brianosman@google.com), and stop
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https://skia.googlesource.com/skia.git/%2Blog/2c4ceca62d27..174a3f61fd5d

git log 2c4ceca62d27ebd3617d91b94a0231030927f864..174a3f61fd5dd38d4ea8943f68ca6d9267252d68 --date=short --no-merges --format=%ad %ae %s
2019-03-21 skia-recreate-skps@skia-swarming-bots.iam.gserviceaccount.com Update go_deps asset

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

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If the roll is causing failures, please contact the current sheriff (brianosman@google.com), and stop
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https://skia.googlesource.com/skia.git/%2Blog/e409441aee0d..2c4ceca62d27

git log e409441aee0d52e03046e62d00d139bda8eeba22..2c4ceca62d27ebd3617d91b94a0231030927f864 --date=short --no-merges --format=%ad %ae %s
2019-03-21 skia-autoroll@skia-public.iam.gserviceaccount.com Roll third_party/externals/angle2 a532570a09b8..f455f7565a7a (4 commits)

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

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If the roll is causing failures, please contact the current sheriff (brianosman@google.com), and stop
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https://skia.googlesource.com/skia.git/%2Blog/4652930a7dfc..e409441aee0d

git log 4652930a7dfc23d368d96b2ff46305a94172511c..e409441aee0d52e03046e62d00d139bda8eeba22 --date=short --no-merges --format=%ad %ae %s
2019-03-21 skia-autoroll@skia-public.iam.gserviceaccount.com Roll third_party/externals/swiftshader c296806411fb..aff2dd067015 (1 commits)

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

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Fixes https://github.com/flutter/flutter/issues/29679

https://skia.googlesource.com/skia.git/%2Blog/7e2c0614a2fd..4652930a7dfc

git log 7e2c0614a2fd08e418b789939dfdad9b76e70fa7..4652930a7dfc23d368d96b2ff46305a94172511c --date=short --no-merges --format=%ad %ae %s
2019-03-20 skia-autoroll@skia-public.iam.gserviceaccount.com Roll third_party/externals/swiftshader 00ba176c0c40..c296806411fb (2 commits)
2019-03-20 mtklein@google.com remove some more SK- in DrawCommand
2019-03-20 skia-autoroll@skia-public.iam.gserviceaccount.com Roll ../src ca0130108117..b57a03014063 (635 commits)
2019-03-20 recipe-mega-autoroller@chops-service-accounts.iam.gserviceaccount.com Roll recipe dependencies (trivial).
2019-03-20 egdaniel@google.com Reduce use of map buffers on ARM vulkan.

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

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Removed Activity reference from AccessibilityBridge by using a View for insets instead of the Activity (#18115) (#8231)

Changes include:
- File structure
- Header guards
- Include paths
- Namespaces
- Integration with the engine's GN build
- Conversion from jsoncpp to rapidjson
- Style and clang-format adjustment to match engine repository

The jsoncpp requirement was removed in the migration from FDE to this
repository, so it doesn't need to be installed by the script.

In preparation for enabling Linux shell builds, add the script that
installs necessary system-level dependencies.

PlatformViewsDelegate.

Since onDetachedFromWindow can be called after the activity was
destroyed, the previous call to detach the accessibility bridge could
have crash as the NativeFlutterView was already null.

https://skia.googlesource.com/skia.git/%2Blog/ba91f65f2070..7e2c0614a2fd

git log ba91f65f20701ce6ae6b43556d1ffb7c8be61a73..7e2c0614a2fd08e418b789939dfdad9b76e70fa7 --date=short --no-merges --format=%ad %ae %s
2019-03-20 brianosman@google.com Remove spurious ';'
2019-03-20 mtklein@google.com de-Sk tools/trace
2019-03-20 mtklein@google.com de-Sk tools/debugger
2019-03-20 mtklein@google.com SkAnimTimer -> AnimTimer
2019-03-20 mtklein@google.com fold sk_pixel_iter.h into ToolUtils
2019-03-20 mtklein@google.com sk_tool_utils -> ToolUtils, and git clang-format
2019-03-20 rmistry@google.com Add ability to skip adb binary push
2019-03-20 mtklein@google.com de-Sk tools/font, and git clang-format
2019-03-20 skia-autoroll@skia-public.iam.gserviceaccount.com Roll third_party/externals/angle2 6ce1be5a5a53..a532570a09b8 (4 commits)
2019-03-20 mtklein@google.com remove Sk prefix from CommandLineFlags
2019-03-20 mtklein@google.com upgrade clang_linux to LLVM 8
2019-03-20 skia-autoroll@skia-public.iam.gserviceaccount.com Roll third_party/externals/swiftshader 5851ef46d285..00ba176c0c40 (1 commits)
2019-03-20 ethannicholas@google.com Revert "Revert "more relaxed precision decorations for SPIR-V output""

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

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5e9df35a57 [vm/ffi] Correctly sign- or zero-extend arguments and return values from native code.
33491a7d61 [infra] Remove unneeded check in test.py
def9671d32 [VM/SIMDBC] Add simdbc64 bytecodes to allow LoadIndexed/StoreIndexed to work on untagged arrays
8af57275eb Can't override implied setter covariantly
578249629d [co19 DEPS updated]
c4c0db440c Handle ir constants in noSuchMethod handling and deferred load
58882ffdd4 VM reads import uri if kernel binary version >= 22
3c2bfa554a Resolve type conflicts in dart:js
e9e0daee5c Add importUri and fileUri to Source.
4daa9b94ea [cfe] Compile if elements in lists and sets
c9efa472da Remove instrumentTopLevelInference as it is redundant with expectation files
57ac8b1ad9 Remove redundant instrumentation from tests and expectations.
6e1888af6b Circular type inference leads to InvalidType
479483ed13 Compute isGenericCovariantImpl in outline phase
b18b626d78 Remove deprecated AST structures related to the "UI as code" feature.
7fe4253a4e [analyzer] fix #36158, implicit cast missing on covariant return type
7e14f2aded Removed mirror methods from DeferredLoadTask
dec7e65334 Delete Flags.enableExperimentalMirrors
7eabbe70cd Make the --repl-compile option visible
9c8e6dc42c [analyzer] rewrite mostSpecificTypeArgument to use asInstanceOf
565e56dba6 [vm] Reduce cost of allocation tracing.
eaf41e49bf Re-land Linter 0.1.83
337a252c31 [analyzer] UI as code test cleanup
89f00ab25f Add a build rule for bytecode version of kernel_service.dill
fadf9b5fb3 [vm] Account for direct code calls from unoptimized code for --reused_instructions.
d0bdfee041 Fix DDC cast -- cast key/value/element individually & don't clobber names.
67243e0396 AstTextPrinter that prints AST tokens into their original positions.
d214646d89 Remove TestAnalysisContext and related.
22c535ac6e [dartdevc] simplify code for emitting constants
040fa0f83c Add undefined identifier test for for loops
21810c2aa1 Include gen_kernel_bytecode in create_sdk so that it can be uploaded by the builders
5614f8d771 Revert "bump linter to 0.1.83"
85e5684863 Remove OptionsWorkManager and GenerateOptionsErrorsTask is not a task.
33100aa1ce Delete some copy/pasted doc comments
2c001aacc0 [vm] Address various quirks observed in Fuchsia profiling samples.
9910374c20 Fix mistakes in control flow ambiguity test.
87108efecb [gardening] Update flutter patch so flutter compile_test passes.
55f3edadbe [dartdevc] Initial support for spread collections
2ceaccf5f6 Report EQUAL_ELEMENTS_IN_CONST_SET.
0c34bf13ea update ElementResolver postfix NNBD bang processing
9788949db8 Run dartfmt on pkg/analyzer/test/dart/ast/ast_test.dart
d012972c8d [CFE] Fold the asExpression call into the unique function.
ee1e036adf [CFE] Lazy constant evaluation for maybe-evaluated expressions.
330b958e20 [CFE] Check for null in constant evaluation.
ca5ac975fe Fix for crash in _DartNavigationComputerVisitor._addUriDirectiveRegion when part has invalid URI.

https://skia.googlesource.com/skia.git/%2Blog/4273a150f84d..ba91f65f2070

git log 4273a150f84d70a9acc340261fd5e7be1af310a5..ba91f65f20701ce6ae6b43556d1ffb7c8be61a73 --date=short --no-merges --format=%ad %ae %s
2019-03-19 jvanverth@google.com Tweaks to Metal pipeline state.
2019-03-20 skia-autoroll@skia-public.iam.gserviceaccount.com Roll third_party/externals/swiftshader 3e485a4f3ec8..5851ef46d285 (1 commits)
2019-03-20 kjlubick@google.com Make ios actually fail
2019-03-20 brianosman@google.com Remove all of the _as_paths GMs
2019-03-19 kjlubick@google.com [canvaskit] Add requestAnimationFrame to SkSurface
2019-03-20 recipe-mega-autoroller@chops-service-accounts.iam.gserviceaccount.com Roll recipe dependencies (trivial).

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https://skia.googlesource.com/skia.git/%2Blog/d7d93001ead2..4273a150f84d

git log d7d93001ead20ddf31d2c4352ccf2fd6b87f791b..4273a150f84d70a9acc340261fd5e7be1af310a5 --date=short --no-merges --format=%ad %ae %s
2019-03-20 skia-autoroll@skia-public.iam.gserviceaccount.com Roll third_party/externals/swiftshader f2564656e7af..3e485a4f3ec8 (1 commits)

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https://skia.googlesource.com/skia.git/%2Blog/37a9294d2eb9..d7d93001ead2

git log 37a9294d2eb985c5c8bf1462646e7b8b70aef5cb..d7d93001ead20ddf31d2c4352ccf2fd6b87f791b --date=short --no-merges --format=%ad %ae %s
2019-03-20 skia-autoroll@skia-public.iam.gserviceaccount.com Roll third_party/externals/angle2 df35e382de78..6ce1be5a5a53 (2 commits)
2019-03-20 skia-recreate-skps@skia-swarming-bots.iam.gserviceaccount.com Update go_deps asset

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https://skia.googlesource.com/skia.git/%2Blog/2894d13a0d9b..37a9294d2eb9

git log 2894d13a0d9b133587760f50c6026d536f869c29..37a9294d2eb985c5c8bf1462646e7b8b70aef5cb --date=short --no-merges --format=%ad %ae %s
2019-03-19 recipe-mega-autoroller@chops-service-accounts.iam.gserviceaccount.com Roll recipe dependencies (trivial).

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https://skia.googlesource.com/skia.git/%2Blog/dd0544078d05..2894d13a0d9b

git log dd0544078d058e68cf91404745b493d7d5a184d0..2894d13a0d9b133587760f50c6026d536f869c29 --date=short --no-merges --format=%ad %ae %s
2019-03-19 recipe-mega-autoroller@chops-service-accounts.iam.gserviceaccount.com Roll recipe dependencies (trivial).
2019-03-19 skia-autoroll@skia-public.iam.gserviceaccount.com Roll third_party/externals/swiftshader 2dc0303903b1..f2564656e7af (3 commits)
2019-03-19 recipe-mega-autoroller@chops-service-accounts.iam.gserviceaccount.com Roll recipe dependencies (trivial).
2019-03-19 halcanary@google.com Documentation: notes on example fiddles
2019-03-19 skia-autoroll@skia-public.iam.gserviceaccount.com Roll third_party/externals/angle2 9b050f846a06..df35e382de78 (2 commits)
2019-03-19 bsalomon@google.com Reland "Add small offset to t in GrLinearGradientLayout."
2019-03-19 fmalita@chromium.org [skottie] Turn on AA for solid layers
2019-03-19 skia-autoroll@skia-public.iam.gserviceaccount.com Roll third_party/externals/swiftshader 0e712410582f..2dc0303903b1 (1 commits)
2019-03-19 ethannicholas@google.com Revert "more relaxed precision decorations for SPIR-V output"
2019-03-19 halcanary@google.com Docs: fix more case-sensitive names
2019-03-19 fmalita@chromium.org [skottie] Initial camera support
2019-03-19 michaelludwig@google.com Respect strict constraint in drawEdgeAAImageSet
2019-03-19 egdaniel@google.com Don't directly map vertex/index buffers on qualcomm vulkan.
2019-03-19 halcanary@google.com Docs: rename examples files to match names
2019-03-19 kjlubick@google.com Add macro to decide GrGLStandard
2019-03-19 michaelludwig@google.com Add SK_API to ImageSetEntry
2019-03-08 bungeman@google.com Add planet emoji font.
2019-03-19 mtklein@google.com regen from .fp files after .clang-format change
2019-03-19 mtklein@google.com try 2 threads on n7/np
2019-03-19 skia-autoroll@skia-public.iam.gserviceaccount.com Roll ../src 69be71e10036..ca0130108117 (351 commits)
2019-03-18 ethannicholas@google.com more relaxed precision decorations for SPIR-V output
2019-03-19 skia-autoroll@skia-public.iam.gserviceaccount.com Roll third_party/externals/swiftshader 7cdf79cccb8e..0e712410582f (1 commits)
2019-03-18 mtklein@google.com tweak .clang-format
2019-03-19 skia-autoroll@skia-public.iam.gserviceaccount.com Roll third_party/externals/swiftshader 24cb99d44e9c..7cdf79cccb8e (3 commits)
2019-03-19 skia-autoroll@skia-public.iam.gserviceaccount.com Roll third_party/externals/swiftshader b8c63935328f..24cb99d44e9c (1 commits)
2019-03-19 michaelludwig@google.com Reland "Reland "Update SkCanvas' experimental SkiaRenderer API""
2019-03-19 skia-autoroll@skia-public.iam.gserviceaccount.com Roll third_party/externals/swiftshader 289a576d337a..b8c63935328f (1 commits)
2019-03-18 robertphillips@google.com Have DM's "--pr ~*" processing start from the default list of path renderers
2019-03-19 skia-autoroll@skia-public.iam.gserviceaccount.com Roll third_party/externals/angle2 eb986426cd6d..9b050f846a06 (1 commits)
2019-03-19 skia-autoroll@skia-public.iam.gserviceaccount.com Roll third_party/externals/swiftshader bbf5cf1e4762..289a576d337a (1 commits)
2019-03-19 recipe-mega-autoroller@chops-service-accounts.iam.gserviceaccount.com Roll recipe dependencies (trivial).
2019-03-18 recipe-mega-autoroller@chops-service-accounts.iam.gserviceaccount.com Roll recipe dependencies (trivial).
2019-03-19 skia-recreate-skps@skia-swarming-bots.iam.gserviceaccount.com Update go_deps asset

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Layout occurs after [CATransaction commit]. layoutSubviews was where we set the contentsScale on the CALayer. This meant that for one frame, we would see content on the overlay view which was did not have the correct content scale.

This change makes it so that we initialize the FlutterOverlayView with the correct contentsScale.

This also updates the overlay_gr_context_ when we first create the overlay_view. This is an artifact of #8175.

This manifests as jank as seen in: flutter/flutter#29573