We no longer need to prepare the stack overflow error in advance now that
Errors are constructed in C++.

R=yangguo@chromium.org
BUG=

Committed: https://crrev.com/ba95d10ccbe13e2fca427228483b045576f2dc4c
Review-Url: https://codereview.chromium.org/2161953003
Cr-Original-Commit-Position: refs/heads/master@{#37923}
Cr-Commit-Position: refs/heads/master@{#37949}