Version 3.31.52 (based on aa0664e58f0a8b66f64879f239f77154215b30bc)

Ship ES6 block scoping (issue 2198).

Optimize Object.seal and Object.preventExtensions (issue 3662, Chromium issue 115960).

Add Array.prototype.includes (issue 3575).

Performance and stability improvements on all platforms.

Cr-Commit-Position: refs/heads/candidates@{#25327}