Design doc about the platform-specific implementation: https://docs.google.com/document/d/1GK-Uzbw6w-aQQsSAuSeOJ07f7Kd7CrMmSXnxJffXvxk

The following revision refers to this bug:
  https://chromium.googlesource.com/v8/v8.git/+/9d5dd6dd1959d34e7f1890ee37fb312dbf4e3d84

commit 9d5dd6dd1959d34e7f1890ee37fb312dbf4e3d84
Author: Andreas Haas <ahaas@chromium.org>
Date: Tue Nov 20 11:03:54 2018

[wasm] Adjust the traphandler implementation for MacOS

In the chrome-side implementation I currently use the default
trap handlers of V8, see https://crrev.com/c/1290955

Bug: chromium:906565

Cq-Include-Trybots: luci.chromium.try:linux_chromium_rel_ng
Change-Id: I74c5a18c479ad1c69303d104ad4f040de436c4e7
Reviewed-on: https://chromium-review.googlesource.com/c/1282960
Commit-Queue: Andreas Haas <ahaas@chromium.org>
Reviewed-by: Ben Titzer <titzer@chromium.org>
Reviewed-by: Andreas Haas <ahaas@chromium.org>
Cr-Commit-Position: refs/heads/master@{#57636}
[modify] https://crrev.com/9d5dd6dd1959d34e7f1890ee37fb312dbf4e3d84/BUILD.gn
[modify] https://crrev.com/9d5dd6dd1959d34e7f1890ee37fb312dbf4e3d84/src/api.cc
[modify] https://crrev.com/9d5dd6dd1959d34e7f1890ee37fb312dbf4e3d84/src/trap-handler/DEPS
[modify] https://crrev.com/9d5dd6dd1959d34e7f1890ee37fb312dbf4e3d84/src/trap-handler/handler-inside-posix.cc
[modify] https://crrev.com/9d5dd6dd1959d34e7f1890ee37fb312dbf4e3d84/src/trap-handler/handler-inside-posix.h
[modify] https://crrev.com/9d5dd6dd1959d34e7f1890ee37fb312dbf4e3d84/src/trap-handler/handler-outside-posix.cc
[modify] https://crrev.com/9d5dd6dd1959d34e7f1890ee37fb312dbf4e3d84/src/trap-handler/trap-handler.h

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/3bd4532934fcf25a548316d64a49064134e3250c

commit 3bd4532934fcf25a548316d64a49064134e3250c
Author: Andreas Haas <ahaas@chromium.org>
Date: Wed Nov 21 07:45:42 2018

[v8][macosx] Use V8's default wasm trap handler on MacOS

This CL enables WebAssembly trap handlers on MacOS. In this CL we use
the default trap handler provided by V8.

Bug: chromium:906565

Change-Id: I2d007da1a86ca05010a0a7bf830586767f19a24d
Reviewed-on: https://chromium-review.googlesource.com/c/1290955
Commit-Queue: Andreas Haas <ahaas@chromium.org>
Reviewed-by: Kentaro Hara <haraken@chromium.org>
Reviewed-by: Mark Mentovai <mark@chromium.org>
Cr-Commit-Position: refs/heads/master@{#609942}
[modify] https://crrev.com/3bd4532934fcf25a548316d64a49064134e3250c/chrome/test/v8/wasm_trap_handler_browsertest.cc
[modify] https://crrev.com/3bd4532934fcf25a548316d64a49064134e3250c/content/renderer/render_process_impl.cc

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/95179d373dd810ee09f4eeb5509df3a9c758261c

commit 95179d373dd810ee09f4eeb5509df3a9c758261c
Author: Andreas Haas <ahaas@chromium.org>
Date: Mon Nov 26 12:25:14 2018

[v8][wasm] Enable testing of trap handlers on macOS

WebAssembly trap handlers are about to be enabled in a field trial, see
http://cl/222217200.

R=jwd@chromium.org

Bug: chromium:906565
Change-Id: Ibf9ffe707cc16c5d76f004f75f397627be6fcbb4
Reviewed-on: https://chromium-review.googlesource.com/c/1346089
Reviewed-by: Jesse Doherty <jwd@chromium.org>
Commit-Queue: Andreas Haas <ahaas@chromium.org>
Cr-Commit-Position: refs/heads/master@{#610827}
[modify] https://crrev.com/95179d373dd810ee09f4eeb5509df3a9c758261c/testing/variations/fieldtrial_testing_config.json

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/caf7eccc6a8f030dba7f92bc36c1a28d2ce40942

commit caf7eccc6a8f030dba7f92bc36c1a28d2ce40942
Author: Andreas Haas <ahaas@chromium.org>
Date: Wed Dec 12 11:03:27 2018

[v8][wasm] Fix naming of finch trial tests in fieldtrial_testing_config.json

We have separate finch trials for the different platforms, so we should
use the same trial names here.

R=jwd@chromium.org

Bug: chromium:906565, chromium:903736
Change-Id: Icc6ca6d9074239ca277ccdf0546234b3626ed282
Reviewed-on: https://chromium-review.googlesource.com/c/1367664
Reviewed-by: Jesse Doherty <jwd@chromium.org>
Commit-Queue: Andreas Haas <ahaas@chromium.org>
Cr-Commit-Position: refs/heads/master@{#615850}
[modify] https://crrev.com/caf7eccc6a8f030dba7f92bc36c1a28d2ce40942/testing/variations/fieldtrial_testing_config.json