Reland of: Remove deprecated cursor event filter for Ozone

ash/wm/immersive_fullscreen_controller_unittest.cc

Index: ash/wm/immersive_fullscreen_controller_unittest.cc
diff --git a/ash/wm/immersive_fullscreen_controller_unittest.cc b/ash/wm/immersive_fullscreen_controller_unittest.cc
index dbab153869dfad88c31a1fa1483e6432f643e4a1..5257b4ac2786eb28557c3033e3d233825baeeab3 100644
--- a/ash/wm/immersive_fullscreen_controller_unittest.cc
+++ b/ash/wm/immersive_fullscreen_controller_unittest.cc
@@ -543,11 +543,6 @@ TEST_F(ImmersiveFullscreenControllerTest, MouseEventsVerticalDisplayLayout) {
   event_generator.MoveMouseTo(x, y_top_edge);
   EXPECT_TRUE(top_edge_hover_timer_running());
 
-  // TODO(oshima): Provide a test API to handle mouse warp more easily.
-#if defined(USE_OZONE)
-  EXPECT_NE(y_top_edge, aura::Env::GetInstance()->last_mouse_location().y());
-#endif
-
   // The timer should continue running if the user overshoots the top edge
   // a bit.
   event_generator.MoveMouseTo(x, y_top_edge - 2);