Disallow copying of NetworkListObserverPrivate.

Disallow copying of NetworkListObserverPrivate.

It should be prohibited to copy list observer object because otherwise
it would be impossible to guarantee that network monitor resource
is destroyed when the list observer is destroyed. Also the copied
list observer would not work properly anyway.

Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=151103

[dmichael (off chromium), 2012-08-09 21:39:01]

lgtm, thanks!

[commit-bot: I haz the power, 2012-08-09 21:40:36]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/sergeyu@chromium.org/10832229/1

[commit-bot: I haz the power, 2012-08-09 21:51:04]

Try job failure for 10832229-1 (retry) on mac_rel for step "compile" (clobber
build).
It's a second try, previously, step "compile" failed.
http://build.chromium.org/p/tryserver.chromium/buildstatus?builder=mac_rel&nu...

[commit-bot: I haz the power, 2012-08-09 21:59:07]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/sergeyu@chromium.org/10832229/11001