Remove Windows accelerated surface support.

Presentation now only happens directly from the GPU process, so this code isn't used anymore.

BUG=325947

Review URL: https://codereview.chromium.org/140173004

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@247312 0039d316-1c4b-4281-b951-d872f2087c98
Save the clients RTT estimate to the HTTP server properties and send it
to the server in CHLO packets.

Review URL: https://codereview.chromium.org/143983004

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@247313 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 247313