Revert 266137 &quotMerge 261707 &quotTest for WebSocketJob being deleted...&quot

      Reason for revert: the test for the fix uses methods which did not exist in M34,
and so broken the build.

> Merge 261707 &quotTest for WebSocketJob being deleted on the stack&quot
> 
> > Test for WebSocketJob being deleted on the stack
> > 
> > SocketStreamDispatcherHost can delete the WebSocketJob while it is still
> > on the stack. Add tests to ensure that WebSocketJob does not attempt to
> > access its own members after being deleted.
> > 
> > Also fix two cases where WebSocketJob attempted to access its members after
> > being deleted.
> > 
> > BUG=358038
> > TEST=net_unittests --gtest_filter=WebSocketJobDeleteTest*
> > 
> > Review URL: https://codereview.chromium.org/221833002
> 
> TBR=tyoshino@chromium.org
> 
> Review URL: https://codereview.chromium.org/255813002

TBR=tyoshino

Review URL: https://codereview.chromium.org/257773004

git-svn-id: svn://svn.chromium.org/chrome/branches/1847/src@266144 0039d316-1c4b-4281-b951-d872f2087c98