DevTools: Fix Native heap snapshots do not open in DevTools.
DevTools: Fix Native heap snapshots do not open in DevTools.

Array.p.sort does not expect comparator result of BigInt.

BUG=881884

Change-Id: I3215e4dab8dcfc1e4e830cebf07d1dcf674d0d2e
Reviewed-on: https://chromium-review.googlesource.com/1213928
Reviewed-by: Erik Luo <26192f5e05d23e5ee959014fb911d780e566545b@chromium.org>
Commit-Queue: Alexei Filippov <52e51c43e283548b762e3c9dd9a4600768db9fb4@chromium.org>
Cr-Original-Commit-Position: 972c6d2dc6dd5efdad1377c0d224e03eb8f276f7@{#589731}
Cr-Mirrored-From: https://chromium.googlesource.com/chromium/src
Cr-Mirrored-Commit: 6d5a0e8a4b89e61d9086b61a07d9bc1712fdf930
ChromeDevTools/devtools-frontend,ChromeDevTools/devtools-frontend,ChromeDevTools/devtools-frontend,dart-archive/devtools-frontend,ChromeDevTools/devtools-frontend,dart-archive/devtools-frontend,dart-archive/devtools-frontend,dart-archive/devtools-frontend,dart-archive/devtools-frontend,dart-archive/devtools-frontend,ChromeDevTools/devtools-frontend,ChromeDevTools/devtools-frontend