HttpServer: allows sending raw response data for streamed responses.

Note: this was cloned from https://codereview.chromium.org/212683006/, which was reverted for ASAN issues. Patch-set 1 is the original CL, patch-set 2 is the ASAN fixes.

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

Review URL: https://codereview.chromium.org/243743005

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@264910 0039d316-1c4b-4281-b951-d872f2087c98
3 files changed