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This is a reland of bbd7b898
Original change's description:
> Add browser_tests for WebAssembly out-of-bounds behavior
> 
> Trap-based bounds checking requires interaction with the crash reporter
> to catch out of bounds accesses. These browser tests make sure this
> behavior is working in the context of a full Chrome browser.
> 
> Bug: chromium:722585
> Change-Id: I1993540f85f5d3500681cd3fbd7a9af817fe4ce8
> Reviewed-on: https://chromium-review.googlesource.com/648363
> Commit-Queue: Eric Holk <eholk@chromium.org>
> Reviewed-by: Scott Violet <sky@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#503907}

Bug: chromium:722585
Change-Id: Ic76c769af88134be215127c190706f8ae4fb6ed1
Reviewed-on: https://chromium-review.googlesource.com/682114Reviewed-by: Jochen Eisinger <jochen@chromium.org>
Commit-Queue: Eric Holk <eholk@chromium.org>
Cr-Commit-Position: refs/heads/master@{#504399}