Roll src/third_party/skia 7d2ad0fdef01..77af4ecd3546 (9 commits) (#8862)

https://skia.googlesource.com/skia.git
/%2Blog/7d2ad0fdef01..77af4ecd3546

git log 7d2ad0fdef01f3fdfadd11c3082b002688b0cab0..77af4ecd3546e38e8b6ca6e0efbc6b9df65dc83a --date=short --no-merges --format=%ad %ae %s
2019-05-06 brianosman@google.com Support GL_EXT_draw_buffers
2019-05-06 robertphillips@google.com Re-add flag to force opList splitting reduction
2019-05-06 recipe-mega-autoroller@chops-service-accounts.iam.gserviceaccount.com Roll recipe dependencies (trivial).
2019-05-06 borenet@google.com [infra] Pin infra code using Go modules
2019-05-06 robertphillips@google.com Make SkComposeImageFilter comply with SkImageFilter::filterBounds calling convention
2019-05-06 thomasanderson@chromium.org Remove static initializer in SkExecutor.cpp
2019-05-06 kjlubick@google.com [canvaskit] 0.6.0
2019-05-06 kjlubick@google.com [img-decode] Start on proposed new spec
2019-05-03 brianosman@google.com Add ShaderErrorHandler to GrContextOptions

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 (robertphillips@google.com), and stop
the roller if necessary.

DEPS

@@ -23,7 +23,7 @@ vars = {
   'fuchsia_git': 'https://fuchsia.googlesource.com',
   'github_git': 'https://github.com',
   'skia_git': 'https://skia.googlesource.com',
-  'skia_revision': '7d2ad0fdef01f3fdfadd11c3082b002688b0cab0',
+  'skia_revision': '77af4ecd3546e38e8b6ca6e0efbc6b9df65dc83a',
 
   # When updating the Dart revision, ensure that all entries that are
   # dependencies of Dart are also updated to match the entries in the

ci/licenses_golden/licenses_skia

-Signature: 19c005a15afec1d94b1683915791f3d5
+Signature: fa0a95425b4c480b2922ca74481bf3c1
 
 UNUSED LICENSES:
 
@@ -1927,6 +1927,8 @@ FILE: ../../../third_party/skia/experimental/wasm-skp-debugger/helper.js
 FILE: ../../../third_party/skia/experimental/wasm-skp-debugger/karma.conf.js
 FILE: ../../../third_party/skia/experimental/wasm-skp-debugger/package.json
 FILE: ../../../third_party/skia/experimental/wasm-skp-debugger/ready.js
+FILE: ../../../third_party/skia/go.mod
+FILE: ../../../third_party/skia/go.sum
 FILE: ../../../third_party/skia/infra/bots/assets.isolate
 FILE: ../../../third_party/skia/infra/bots/assets/android_ndk_darwin/VERSION
 FILE: ../../../third_party/skia/infra/bots/assets/android_ndk_linux/VERSION
@@ -1943,7 +1945,6 @@ FILE: ../../../third_party/skia/infra/bots/assets/cmake_linux/VERSION
 FILE: ../../../third_party/skia/infra/bots/assets/cmake_mac/VERSION
 FILE: ../../../third_party/skia/infra/bots/assets/gcloud_linux/VERSION
 FILE: ../../../third_party/skia/infra/bots/assets/go/VERSION
-FILE: ../../../third_party/skia/infra/bots/assets/go_deps/VERSION
 FILE: ../../../third_party/skia/infra/bots/assets/linux_vulkan_sdk/VERSION
 FILE: ../../../third_party/skia/infra/bots/assets/lottie-samples/VERSION
 FILE: ../../../third_party/skia/infra/bots/assets/mesa_intel_driver_linux/VERSION
@@ -2349,6 +2350,8 @@ FILE: ../../../third_party/skia/site/user/api/catalog.htm
 FILE: ../../../third_party/skia/site/user/modules/METADATA
 FILE: ../../../third_party/skia/site/user/modules/PathKit_effects.png
 FILE: ../../../third_party/skia/specs/web-img-decode/current/index.html
+FILE: ../../../third_party/skia/specs/web-img-decode/proposed/impl/impl.js
+FILE: ../../../third_party/skia/specs/web-img-decode/proposed/index.html
 FILE: ../../../third_party/skia/src/core/SkOrderedReadBuffer.h
 FILE: ../../../third_party/skia/src/sksl/lex/sksl.lex
 FILE: ../../../third_party/skia/src/sksl/sksl.inc