Hygiene: Add missing use

Not really breaking anythin; it's only used in PHPDoc, but confused my IDE.

Change-Id: I171f6a36d1a3ba4ae40b705be62e429e0c8ce218
Fix topic list sort tooltip.  Was always showing as 'newest' ordering

Bug: 73669
Change-Id: I9ea05388857fa48d4a53a164fb7112e67d84e3d3
Revert "Add temporary ext.flow.new module to avoid missing JS"

Change was temporary, merge after Nov 23 2014

This reverts commit 7c83c10244985e66c4f1a5cb113523cf8f7c48fd.

Change-Id: Ic2e5084eb75cf71b8037fae6b8e2c5412e58b6a5
Merge "Fix topic list sort tooltip.  Was always showing as 'newest' ordering"
Merge "Hygiene: Add missing use"
Merge "Revert "Add temporary ext.flow.new module to avoid missing JS""