Bug 1552608 - Remove the unused function APZCTreeManager::HitTestAPZC(). r=tnikkel

Differential Revision: https://phabricator.services.mozilla.com/D48381

--HG--
extra : moz-landing-system : lando

gfx/layers/apz/src/APZCTreeManager.cpp

@@ -2527,12 +2527,6 @@ ParentLayerPoint APZCTreeManager::DispatchFling(
   return finalResidualVelocity;
 }
 
-bool APZCTreeManager::HitTestAPZC(const ScreenIntPoint& aPoint) {
-  RefPtr<AsyncPanZoomController> target =
-      GetTargetAPZC(aPoint, nullptr, nullptr);
-  return target != nullptr;
-}
-
 already_AddRefed<AsyncPanZoomController> APZCTreeManager::GetTargetAPZC(
     const ScrollableLayerGuid& aGuid) {
   RecursiveMutexAutoLock lock(mTreeLock);

gfx/layers/apz/src/APZCTreeManager.h

@@ -281,11 +281,6 @@ class APZCTreeManager : public IAPZCTreeManager, public APZInputBridge {
    */
   void ClearTree();
 
-  /**
-   * Tests if a screen point intersect an apz in the tree.
-   */
-  bool HitTestAPZC(const ScreenIntPoint& aPoint);
-
   /**
    * Sets the dpi value used by all AsyncPanZoomControllers attached to this
    * tree manager.