Update to V8 5.3.345.2

This version includes two fixes for major crashers. NOTRY because test benchmarks.system_health_smoke_test.SystemHealthBenchmarkSmokeTest.system_health.memory_desktop.load:news:cnn even fails with a version which was already deployed to Canary ... test seems to be broken.

TBR=machenbach@chromium.org,vogelheim@chromium.org,littledan@chromium.org
NOTRY=true

Review-Url: https://codereview.chromium.org/2117933002
Cr-Commit-Position: refs/heads/master@{#403611}
1 file changed