Reland of: Remove deprecated cursor event filter for Ozone

ash/wm/immersive_fullscreen_controller_unittest.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "ash/wm/immersive_fullscreen_controller.h"
 
 #include "ash/display/display_manager.h"
 #include "ash/display/mouse_cursor_event_filter.h"
 #include "ash/root_window_controller.h"
 #include "ash/shelf/shelf_layout_manager.h"
@@ skipping 525 matching lines @@
   event_generator.MoveMouseTo(x, y_top_edge + 1);
   EXPECT_TRUE(top_edge_hover_timer_running());
   EXPECT_EQ(y_top_edge + 1,
             aura::Env::GetInstance()->last_mouse_location().y());
 
   // The timer should continue running if the user moves the mouse to the top
   // edge even though the mouse is warped to the secondary display.
   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);
   EXPECT_TRUE(top_edge_hover_timer_running());
 
   // The timer should stop running if the user overshoots the top edge by
   // a lot.
   event_generator.MoveMouseTo(x, y_top_edge - 20);
   EXPECT_FALSE(top_edge_hover_timer_running());
 
@@ skipping 506 matching lines @@
   EXPECT_EQ(ash::SHELF_AUTO_HIDE, shelf->visibility_state());
 
   // Disabling immersive fullscreen maintains the user's auto-hide selection.
   SetEnabled(false);
   window()->SetProperty(aura::client::kShowStateKey,
                         ui::SHOW_STATE_NORMAL);
   EXPECT_EQ(ash::SHELF_AUTO_HIDE, shelf->visibility_state());
 }
 
 }  // namespase ash