Revert 181896

Revert 181896

this change was not at fault

> Revert 181806
> 
> Speculative revert to see whether this broke browser_tests on Win Aura Tests(2)
> 
> A DCHECK() about invalid strings is hit
> 
> > Update NetworkStateListDetailedView, add network_icon::GetImageForTray
> > 
> > This integrates chanhes to the network list and icon code,
> > and uses the Ash icon code in the network tray.
> > 
> > This completes the changes for:
> > 161869:	Create NetworkStateHandler version of Ash network tray
> > (Still behind a flag)
> > 
> > BUG=161869
> > TBR=sky@chromium.org (for ash_strings)
> > 
> > Review URL: https://codereview.chromium.org/12221112
> 
> TBR=stevenjb@chromium.org
> Review URL: https://codereview.chromium.org/12218116

TBR=jochen@chromium.org
Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=181899