R=yangguo@chromium.org, vsevik
LOG=Y

Committed: https://code.google.com/p/v8/source/detail?r=d5f5d38f73f43eba9658d91ffbe511af8c340d78

Review URL: https://codereview.chromium.org/710273002

Cr-Commit-Position: refs/heads/master@{#25380}