[v8][wasm] Replace use of deprecated V8::TryHandleSignal API

This CL also removes all uses of the SetFirstChanceHandler API of
BreakPad I marked as deprecated in https://crrev.com/c/1411776.

The tracking bug contains more information.

R=mark@chromium.org

Bug: chromium:921971, v8:8562
Change-Id: I395f5216f327b3353720ecc2091f0f65d766f880
Reviewed-on: https://chromium-review.googlesource.com/c/1411643
Commit-Queue: Andreas Haas <ahaas@chromium.org>
Reviewed-by: Mike West <mkwst@chromium.org>
Reviewed-by: Eric Seckler <eseckler@chromium.org>
Reviewed-by: Greg Thompson <grt@chromium.org>
Reviewed-by: Mark Mentovai <mark@chromium.org>
Cr-Commit-Position: refs/heads/master@{#628767}
5 files changed