HttpServer: allows sending raw response data for nontypical responses.

BUG=347770
R=rsleevi@chromium.org,lcwu@chromium.org,byungchul@chromium.org

Review URL: https://codereview.chromium.org/212683006

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@263948 0039d316-1c4b-4281-b951-d872f2087c98
3 files changed