Fixes to net/ to compile on VS2013

Add #includes of <algorithm> for std::min/max.

R=rsleevi@chromium.org
BUG=288948

Review URL: https://codereview.chromium.org/27060002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@228295 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 228295