From 7f81818f06e567491870bff64a0b936a0a285da9 Mon Sep 17 00:00:00 2001
From: Markus Stange <mstange@themasta.com>
Date: Tue, 4 Aug 2015 15:38:18 -0400
Subject: [PATCH] Bug 1193062 - Only send target confirmations for wheel events
 that were handled by APZ. r=kats

WidgetWheelEvents that are not handled by APZ include those used for zooming, and WHEEL_START / WHEEL_STOP.

--HG--
extra : commitid : DNoHIgXfFxy
extra : rebase_source : a847f31a1a45ecd30dc94600271fbb74fb82d279
extra : histedit_source : 5edbd6bfa4b9be7e8e34b8ce30583a0036e9f864
---
 dom/ipc/TabChild.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/dom/ipc/TabChild.cpp b/dom/ipc/TabChild.cpp
index 8a81ad04a650..c46a16068493 100644
--- a/dom/ipc/TabChild.cpp
+++ b/dom/ipc/TabChild.cpp
@@ -1870,7 +1870,7 @@ TabChild::RecvMouseWheelEvent(const WidgetWheelEvent& aEvent,
                               const ScrollableLayerGuid& aGuid,
                               const uint64_t& aInputBlockId)
 {
-  if (AsyncPanZoomEnabled()) {
+  if (aEvent.mFlags.mHandledByAPZ) {
     nsCOMPtr<nsIDocument> document(GetDocument());
     APZCCallbackHelper::SendSetTargetAPZCNotification(
       mPuppetWidget, document, aEvent, aGuid, aInputBlockId);