Version 4.4.63.6 (cherry-pick)

Merged 07c1f277

Unship harmony tostring

BUG=239915,493137
LOG=N
R=adamk@chromium.org

Review URL: https://codereview.chromium.org/1185453002.

Cr-Commit-Position: refs/branch-heads/4.4@{#10}
Cr-Branched-From: 2e4c5505-refs/heads/4.4.63@{#1}
Cr-Branched-From: 0208b8e3-refs/heads/master@{#28333}