Bug 968222 - Update zoom scale in APZC upon orientation change. r=botond,kats

From f60ff14c5fdd1f7fef29ea5b2d7b4c8fa5710157 Mon Sep 17 00:00:00 2001
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 gfx/layers/ipc/AsyncPanZoomController.cpp | 12 +++++++++---
 1 file changed, 9 insertions(+), 3 deletions(-)