Remove MouseWarpController construction from ash::DisplayManager

ash/display/display_manager.h

 // Copyright (c) 2012 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.
 
 #ifndef ASH_DISPLAY_DISPLAY_MANAGER_H_
 #define ASH_DISPLAY_DISPLAY_MANAGER_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 27 matching lines @@
 class DisplayLayoutStore;
 }
 
 namespace gfx {
 class Insets;
 class Rect;
 }
 
 namespace ash {
 class AcceleratorControllerTest;
-class MouseWarpController;
 class ScreenAsh;
 
 using DisplayInfoList = std::vector<display::ManagedDisplayInfo>;
 
 namespace test {
 class AshTestBase;
 class DisplayManagerTestApi;
 class SystemGestureEventFilterTest;
 }
 
@@ skipping 262 matching lines @@
   // impl to |SetDefaultMultiDisplayMode|.
   void ReconfigureDisplays();
 
   // Update the bounds of the display given by |display_id|.
   bool UpdateDisplayBounds(int64_t display_id, const gfx::Rect& new_bounds);
 
   // Creates mirror window asynchronously if the software mirror mode
   // is enabled.
   void CreateMirrorWindowAsyncIfAny();
 
-  // Creates a MouseWarpController for the current display
-  // configuration. |drag_source| is the window where dragging
-  // started, or nullptr otherwise.
-  std::unique_ptr<MouseWarpController> CreateMouseWarpController(
-      aura::Window* drag_source) const;
-
   // Create a screen instance to be used during shutdown.
   void CreateScreenForShutdown() const;
 
   // A unit test may change the internal display id (which never happens on
   // a real device). This will update the mode list for internal display
   // for this test scenario.
   void UpdateInternalManagedDisplayModeListForTest();
 
   // Zoom the internal display.
   bool ZoomInternalDisplay(bool up);
@@ skipping 131 matching lines @@
   bool unified_desktop_enabled_;
 
   base::WeakPtrFactory<DisplayManager> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(DisplayManager);
 };
 
 }  // namespace ash
 
 #endif  // ASH_DISPLAY_DISPLAY_MANAGER_H_