We had error messages that exceeded the current limit of 100
characters, resulting in the newline being cut off.
This CL also reverts http://crrev.com/2503423006 since it did not fix
this issue.

BUG=chromium:660016
R=machenbach@chromium.org, titzer@chromium.org

Review-Url: https://codereview.chromium.org/2523703002
Cr-Commit-Position: refs/heads/master@{#41192}