Version 4.3.61.30 (cherry-pick)

Merged 4cc4bc59

Map::TryUpdate() must be in sync with Map::Update().

BUG=v8:4173
LOG=N
R=jkummerow@chromium.org

Review URL: https://codereview.chromium.org/1190733002.

Cr-Commit-Position: refs/branch-heads/4.3@{#35}
Cr-Branched-From: f5c0a23a-refs/heads/4.3.61@{#1}
Cr-Branched-From: 0a7d4f49-refs/heads/master@{#27508}