GitLab

Memory for WriteInto() should be greater than the url length,
As in the WriteInto() it reserve the memory of size 'length_with_null'
and then resize it to "length_with_null-1'
Chnage done to give memory 1 greater than the url length size.

BUG=417732

Review URL: https://codereview.chromium.org/599373003

Cr-Commit-Position: refs/heads/master@{#297102}