Revert of HttpServerProperties - Implement MRU for AlternateProtocolMap. Persist (https://codereview.chromium.org/182383016/)

Reason for revert:
Broke compile on a bunch of bots:
Chromium Linux Builder (valgrind)
Chromium OS Builder (valgrind)
Chromium Windows Builder (DrMemory)
Linux Builder (TSan v2)

Log:
http://build.chromium.org/p/chromium.memory.fyi/builders/Chromium%20Linux%20Builder%20%28valgrind%29/builds/73182/steps/compile/logs/stdio


Original issue's description:
> HttpServerProperties - Implement MRU for AlternateProtocolMap. Persist
> only the most recently used 200 entries. In memory keep all the entries.
> 
> BUG=258189
> 
> Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=255323

TBR=rch@chromium.org,rtenneti@chromium.org
NOTREECHECKS=true
NOTRY=true
BUG=258189

Review URL: https://codereview.chromium.org/188663002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@255326 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 255326