Set 'whitespace_removed' correctly when resolving relative URLs.

The previous two (!!!) patches missed the relative URL resolution path
through KURL and url_utils. This patch pokes at the logic one more time.

BUG=680970

Review-Url: https://codereview.chromium.org/2890143002
Cr-Commit-Position: refs/heads/master@{#472812}
4 files changed