The previous logic allowed proxying for any view that belonged to one of the platform views' virtual displays which may lead to us allowing proxying for a view that the platform view isn't allowing proxying for, previous logic also didn't account for unattached views.

This change instead delegates the decision to the platform view.

We use the fact that each virtual display has its unique context to associate any view with its relevant virtual display.

A nice side effect of calling the platform view's checkInputConnectionProxy for webviews is that the plugin now has a way to get a handle to the ThreadedInputConnectionProxyView, which may be useful for getting keyboard working on webview's prior to Android N.

https://skia.googlesource.com/skia.git
/%2Blog/8676929c0a13..893403fb3896

git log 8676929c0a13560d874e6c274df64f89b0769045..893403fb389695fc3517aae7f74e5c895f716e82 --date=short --no-merges --format=%ad %ae %s
2019-06-21 mtklein@google.com clarify can-we-call-JIT logic
2019-06-21 mtklein@google.com rearrange who mprotects
2019-06-20 robertphillips@google.com Fix up wacky_yuv_formats GM
2019-06-20 herb@google.com Start using new APIs for bounds and glyph lookup
2019-06-21 nifong@google.com Reland "Deserialize MultiPictureDocument based SKP files (with image sharing proc) in wasm debugger."
2019-06-21 jvanverth@google.com Fix Mac viewer on command line launch.

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* Made the license check ignore the .vscode directory.

* updated license hash

* updated signature

https://skia.googlesource.com/skia.git
/%2Blog/a1d26a807798..8676929c0a13

git log a1d26a807798e13291aea700412840ee8ac9bfc5..8676929c0a13560d874e6c274df64f89b0769045 --date=short --no-merges --format=%ad %ae %s
2019-06-21 brianosman@google.com ByteCode: Faster eval in getLocation, add safety for double side-effects
2019-06-21 mtklein@google.com rearrange code,data -> data,code
2019-06-21 fmalita@chromium.org Add SkShaderMaskFilter.h to public header list
2019-06-21 brianosman@google.com ByteCode: Better signature for innerRun, avoid memory stomping
2019-06-19 herb@google.com Simplify intercepts
2019-06-21 fmalita@chromium.org [skottie] Radial swipe effect
2019-06-20 brianosman@google.com ByteCode: Support out params in local function calls
2019-06-20 robertphillips@google.com Cleanup some legacy instantiate calls
2019-06-21 borenet@google.com [infra] Remove stephana@ from OWNERS

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/%2Blog/e3beb99f39f0..a1d26a807798

git log e3beb99f39f0d8095c288f535fbeea5e9f04682a..a1d26a807798e13291aea700412840ee8ac9bfc5 --date=short --no-merges --format=%ad %ae %s
2019-06-21 borenet@google.com Roll recipe dependencies (nontrivial).

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https://skia.googlesource.com/skia.git
/%2Blog/5549cb00a2cf..e3beb99f39f0

git log 5549cb00a2cf93261b37cf7e68216616fdbd5d96..e3beb99f39f0d8095c288f535fbeea5e9f04682a --date=short --no-merges --format=%ad %ae %s
2019-06-21 skia-autoroll@skia-public.iam.gserviceaccount.com Roll third_party/externals/swiftshader 4aa4fcd61334..a7edc1cd1d8f (10 commits)
2019-06-21 skia-recreate-skps@skia-swarming-bots.iam.gserviceaccount.com Update Go deps
2019-06-21 skia-autoroll@skia-public.iam.gserviceaccount.com Roll ../src 8f8d2c8d5447..31223069ea1d (408 commits)
2019-06-21 skia-autoroll@skia-public.iam.gserviceaccount.com Roll third_party/externals/angle2 c5c937e1e8bd..bf4cfa77c4bf (9 commits)

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/%2Blog/0c64a545176a..5549cb00a2cf

git log 0c64a545176a0f0231bca2f9acc247bd3177588e..5549cb00a2cf93261b37cf7e68216616fdbd5d96 --date=short --no-merges --format=%ad %ae %s
2019-06-20 mtklein@google.com semaphore_wait() until KERN_SUCCESS

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* Added unit tests for the ios code.

* Moved the tests to live next to the source.

* Added mocking library.

* Fixed formatting and removed third_party from the format check.

* fixed formatting 2

* Removed ocmock from third_party.

* Added ocmock to third_party, compile from source.

* removed ocmock from license checking

* updated licenses_flutter

* updated tool_signature

Add views that are added directly to a platform view's window as siblings to the platform view's container view, rather than as children of a full screen container.

This prevents a false-negative for a visibility check from a specific ads SDK (Teads), which [reported the following warning](https://github.com/flutter/flutter/issues/12114#issuecomment-500906158):
```
W/teads#Visibility(17978): The Teads AdView is visible at 0%, hidded by 1 View(s):
W/teads#Visibility(17978):   -  View of class io.flutter.plugin.platform.SingleViewPresentation$FakeWindowViewGroup, with id: -1, with contentDescription: null, with a size of: [width: 1050, height: 875] is hidding 100% of the ad
```

https://skia.googlesource.com/skia.git
/%2Blog/384981be3dd2..0c64a545176a

git log 384981be3dd2f98226a748628ace453a481050f9..0c64a545176a0f0231bca2f9acc247bd3177588e --date=short --no-merges --format=%ad %ae %s
2019-06-20 mtklein@google.com two register ops
2019-06-20 mtklein@google.com two register + immediate ops
2019-06-20 mtklein@google.com remaining 3-reg ops
2019-06-19 jlavrova@google.com Adding TestFontCollection
2019-06-20 michaelludwig@google.com Add lighting, alpha threshold, and tile image filters to GM
2019-06-20 senorblanco@chromium.org Revert "GPU: always use TopLeft origin for saveLayer render targets."
2019-06-20 jvanverth@google.com Fix ASAN issue.
2019-06-20 brianosman@google.com ByteCode: Fixes for TRACE
2019-06-20 senorblanco@chromium.org GPU: always use TopLeft origin for saveLayer render targets.
2019-06-20 brianosman@google.com ByteCode: Allow calls to functions that return void
2019-06-20 jvanverth@google.com Revert "Prefer using GrOvalOpFactory over GrFillRRect for circles and"

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https://skia.googlesource.com/skia.git
/%2Blog/4918bbcbfd54..384981be3dd2

git log 4918bbcbfd5444919b4f11c3fa3d4422cf3b1236..384981be3dd2f98226a748628ace453a481050f9 --date=short --no-merges --format=%ad %ae %s
2019-06-20 bsalomon@google.com Revert "Deserialize MultiPictureDocument based SKP files (with image sharing proc) in wasm debugger."
2019-06-20 benjaminwagner@google.com Update NVIDIA_Shield
2019-06-20 egdaniel@google.com Add FormatInfo struct to GrGLCaps.
2019-06-20 mtklein@google.com first VEX ymm vector ops
2019-06-20 fmalita@chromium.org [sksg] Clear the context mask filter when applied via layers
2019-06-17 nifong@google.com Deserialize MultiPictureDocument based SKP files (with image sharing proc) in wasm debugger.
2019-06-20 reed@google.com runtime shaders
2019-06-20 jvanverth@google.com Switch Metal dynamic buffer allocations to use a ring buffer.
2019-06-20 bsalomon@google.com Revert "Revert "Make SkASSERT not break build in constexpr GrSwizzle method on GCC""
2019-06-20 rmistry@google.com [lottie-web-perf] Add LottieWeb CPU and GPU bots
2019-06-20 mtklein@google.com forward-declare Program::Instruction
2019-06-20 robertphillips@google.com Fix up wacky_yuv_formats GM and GL caps
2019-06-20 mtklein@google.com no -ffoo-sections on Darwin

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

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* [glfw] Implement SystemNavigator.pop

* Exit the program

* Add success result

https://skia.googlesource.com/skia.git
/%2Blog/b520476ee6dc..4918bbcbfd54

git log b520476ee6dcde51054d14c183c8e2c12c7602f5..4918bbcbfd5444919b4f11c3fa3d4422cf3b1236 --date=short --no-merges --format=%ad %ae %s
2019-06-19 rmistry@google.com Rename recipe from perf_skottie_wasm to perf_skottiewasm_lottieweb
2019-06-19 benjaminwagner@google.com Update GPU driver for Intel Skylake and later
2019-06-19 senorblanco@chromium.org Rename a shader variable to please MSL.
2019-06-19 egdaniel@google.com Switch from querying swizzle on caps to using swizzles stored on proxies.

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https://skia.googlesource.com/skia.git
/%2Blog/e08b443f9bda..b520476ee6dc

git log e08b443f9bda453c016d0cc4f73ad93352d539f3..b520476ee6dcde51054d14c183c8e2c12c7602f5 --date=short --no-merges --format=%ad %ae %s
2019-06-19 robertphillips@google.com Swap GrSurfaceProxy over to being held via sk_sp
2019-06-20 skia-autoroll@skia-public.iam.gserviceaccount.com Roll third_party/externals/angle2 88e0322122f2..c5c937e1e8bd (5 commits)
2019-06-20 skia-recreate-skps@skia-swarming-bots.iam.gserviceaccount.com Update Go deps
2019-06-20 skia-autoroll@skia-public.iam.gserviceaccount.com Roll ../src a69f99029b91..8f8d2c8d5447 (406 commits)
2019-06-20 skia-autoroll@skia-public.iam.gserviceaccount.com Roll third_party/externals/swiftshader 62bb5edfe0a6..4aa4fcd61334 (5 commits)

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https://skia.googlesource.com/skia.git
/%2Blog/0233b1edf242..e08b443f9bda

git log 0233b1edf242ed972e2531da0578efdf2b7d48fe..e08b443f9bda453c016d0cc4f73ad93352d539f3 --date=short --no-merges --format=%ad %ae %s
2019-06-19 michaelludwig@google.com Make rt bounds dependent on stencil settings for quad optimizations

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

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The license script uses Set literals among other Dart 2.3.0 features.

Also makes it so that folks don't have to patch the buildroot manually when
building for Metal.

* Roll Dart to version 7340a569caac6431d8698dc3788579b57ffcf0c6

Includes cherry picks to fix the following issues
- missing DT_NULL in dynamic segment" during linking
- https://github.com/flutter/flutter/issues/34308

* Update licenses file.

https://skia.googlesource.com/skia.git
/%2Blog/01c9b89a8520..0233b1edf242

git log 01c9b89a8520bf47ee84baf2fb5325d8763992f6..0233b1edf242ed972e2531da0578efdf2b7d48fe --date=short --no-merges --format=%ad %ae %s
2019-06-19 rmistry@google.com [lottie-web-perf] Use latest lottie-web version and use install location
2019-06-19 egdaniel@google.com Revert "Remove gpu config fallback in onMakeColorTypeAndColorSpace."
2019-06-19 jcgregorio@google.com Make debugger-assets part of cloudbuild CI.
2019-06-19 herb@google.com Add bounds accessors to SkGlyph
2019-06-19 brianosman@google.com Reland "Reland "Reland "Interpreter: Support striped inputs for less overhead"""
2019-06-19 benjaminwagner@google.com Use specific build number for NVIDIA Shield.
2019-06-19 egdaniel@google.com Remove gpu config fallback in onMakeColorTypeAndColorSpace.
2019-06-19 senorblanco@chromium.org Change samplerVariable() to return a const char *.
2019-06-19 michaelludwig@google.com Reland "Consolidate quad optimizations into single internal function."
2019-06-19 michaelludwig@google.com Fix GM for preAbandonGpuContext flag
2019-06-19 michaelludwig@google.com Blacklist imagemakewithfilter GM for Intel 655
2019-06-18 herb@google.com Update getAdvances for using a mutex
2019-06-19 rmistry@google.com [lottie-web-perf] Command line application to measure perf

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

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This reverts commit 2f36285b.

This was crashing the integration test `- (void)testDualFlutterView`.

https://skia.googlesource.com/skia.git
/%2Blog/e0a001ccf8d5..01c9b89a8520

git log e0a001ccf8d59583ae8590d0c5aa5bd3cadd124c..01c9b89a8520bf47ee84baf2fb5325d8763992f6 --date=short --no-merges --format=%ad %ae %s
2019-06-19 brianosman@google.com Revert "Reland "Reland "Interpreter: Support striped inputs for less overhead"""
2019-06-19 brianosman@google.com ByteCode: Fix subtle bug with nested loops and lanes re-activating
2019-06-19 rmistry@google.com [skottie-wasm-perf] Add GPU bot
2019-06-18 michaelludwig@google.com Overhaul makewithfilter gm to better show subset/clipping errors.
2019-06-18 mtklein@google.com add(GP64 dst, int imm)
2019-06-18 mtklein@google.com make registers a little less verbose to work with
2019-06-18 mtklein@google.com first interesting instruction, sub(GP64,imm)
2019-06-18 bungeman@google.com Roll HarfBuzz (946 commits).
2019-06-18 mtklein@google.com Reland "extract Assembler so it can be tested"
2019-06-19 brianosman@google.com Reland "Reland "Interpreter: Support striped inputs for less overhead""
2019-06-18 fmalita@chromium.org [skottie] Linear Wipe effect

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/%2Blog/dc57783169c3..e0a001ccf8d5

git log dc57783169c3dee297709e86151ab6f06b8b4854..e0a001ccf8d59583ae8590d0c5aa5bd3cadd124c --date=short --no-merges --format=%ad %ae %s
2019-06-18 jcgregorio@google.com Try cpython for P30 tasks.

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https://skia.googlesource.com/skia.git
/%2Blog/c65edca18491..dc57783169c3

git log c65edca184911049f8ebd65bbb0457f373aff10e..dc57783169c3dee297709e86151ab6f06b8b4854 --date=short --no-merges --format=%ad %ae %s
2019-06-19 skia-autoroll@skia-public.iam.gserviceaccount.com Roll third_party/externals/swiftshader 9283b2559c05..62bb5edfe0a6 (5 commits)
2019-06-19 skia-autoroll@skia-public.iam.gserviceaccount.com Roll third_party/externals/angle2 c211c2f5b59d..88e0322122f2 (16 commits)
2019-06-19 skia-autoroll@skia-public.iam.gserviceaccount.com Roll ../src aad06d1d3342..a69f99029b91 (415 commits)

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https://skia.googlesource.com/skia.git
/%2Blog/48fec763d45d..c65edca18491

git log 48fec763d45d9b2e952b34122d2fc7312fdcfe3e..c65edca184911049f8ebd65bbb0457f373aff10e --date=short --no-merges --format=%ad %ae %s
2019-06-19 skia-recreate-skps@skia-swarming-bots.iam.gserviceaccount.com Update Go deps

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FlutterMain and the DartServiceIsolate callback list are both globals, and the
callback list state may have already been destructed when FlutterMain's
destructor runs.

https://skia.googlesource.com/skia.git
/%2Blog/7694b90eb000..48fec763d45d

git log 7694b90eb000cd91813171cb9ad5a2b45d51dcf9..48fec763d45d9b2e952b34122d2fc7312fdcfe3e --date=short --no-merges --format=%ad %ae %s
2019-06-18 egdaniel@google.com Rename GrColorType::kRGB_565 to kBGR_565
2019-06-18 fmalita@chromium.org [sksg] RenderNode visibility control
2019-06-18 rmistry@google.com Increase android compile bot timeout
2019-06-19 brianosman@google.com Reland "Revert "Interpreter: Support striped inputs for less overhead""
2019-06-18 robertphillips@google.com No longer forward refs and unrefs from the GrSurfaceProxy to the backing GrSurface
2019-06-18 brianosman@google.com Add option to use a program binary cache in DM, etc
2019-06-18 brianosman@google.com Implement program binary caching in ES2 (with GL_OES_get_program_binary)
2019-06-18 herb@google.com Cleanup findOrCreateScopedStrike
2019-06-18 brianosman@google.com Revert "Revert "Interpreter: Support striped inputs for less overhead""
2019-06-17 dhoss@chromium.org Remove use of hb_subset_input_set_drop_layout() from SkPDFSubsetFont.cpp
2019-06-18 mtklein@google.com Revert "extract Assembler so it can be tested"

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Created FlutterSurrogateBinaryMessenger to make sure that channels are
holding onto engines and not viewcontrollers.  This doesn't change the
public API but makes clients do what we want them to be doing, using
Engine for FlutterBinaryMessenger.

Add APIs for querying FlutterView for a FlutterEngine and listening for attachment/detachment (#29114). (#9356)