Relocate display_manager from ash to ui

ash/display/extended_mouse_warp_controller.cc

 // Copyright 2015 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/display/extended_mouse_warp_controller.h"
 
 #include <cmath>
 
-#include "ash/display/display_manager.h"
 #include "ash/display/display_util.h"
 #include "ash/display/shared_display_edge_indicator.h"
 #include "ash/display/window_tree_host_manager.h"
 #include "ash/root_window_controller.h"
 #include "ash/shell.h"
 #include "base/memory/ptr_util.h"
 #include "ui/aura/window.h"
 #include "ui/display/manager/display_layout.h"
+#include "ui/display/manager/display_manager.h"
 #include "ui/display/manager/display_manager_utilities.h"
 #include "ui/display/screen.h"
 #include "ui/events/event_utils.h"
 #include "ui/wm/core/coordinate_conversion.h"
 
 namespace ash {
 
 namespace {
 
 // Maximum size on the display edge that initiate snapping phantom window,
@@ skipping 65 matching lines @@
     int64_t id) const {
   if (a_display_id_ == id)
     return a_indicator_bounds_;
   CHECK_EQ(b_display_id_, id);
   return b_indicator_bounds_;
 }
 
 ExtendedMouseWarpController::ExtendedMouseWarpController(
     aura::Window* drag_source)
     : drag_source_root_(drag_source), allow_non_native_event_(false) {
-  ash::DisplayManager* display_manager =
+  display::DisplayManager* display_manager =
       Shell::GetInstance()->display_manager();
   int64_t drag_source_id = drag_source ? GetDisplayIdFromWindow(drag_source)
                                        : display::Display::kInvalidDisplayID;
   display::Displays display_list = display_manager->active_display_list();
   // Try to create a Warp region for all possible two displays combination.
   // The following code does it by poping the last element in the list
   // and then pairing with remaining displays in the list, until the list
   // becomes single element.
   while (display_list.size() > 1) {
     display::Display display = display_list.back();
@@ skipping 103 matching lines @@
     if (drag_source_id == a.id())
       AdjustSourceEdgeBounds(a.bounds(), snap_barrier, &a_edge);
     else if (drag_source_id == b.id())
       AdjustSourceEdgeBounds(b.bounds(), snap_barrier, &b_edge);
   }
 
   return base::MakeUnique<WarpRegion>(a.id(), b.id(), a_edge, b_edge);
 }
 
 }  // namespace ash