Relocate reuseable portions of ash/display/display_util.*

ash/display/unified_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/unified_mouse_warp_controller.h"
 
 #include <cmath>
 
 #include "ash/display/display_manager.h"
 #include "ash/display/display_util.h"
 #include "ash/display/mirror_window_controller.h"
 #include "ash/display/window_tree_host_manager.h"
 #include "ash/host/ash_window_tree_host.h"
 #include "ash/shell.h"
 #include "ui/aura/client/cursor_client.h"
 #include "ui/aura/window.h"
 #include "ui/aura/window_tree_host.h"
 #include "ui/base/layout.h"
 #include "ui/display/manager/display_layout.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 {
 
 AshWindowTreeHost* GetMirroringAshWindowTreeHostForDisplayId(
     int64_t display_id) {
   return Shell::GetInstance()
       ->window_tree_host_manager()
       ->mirror_window_controller()
       ->GetAshWindowTreeHostForDisplayId(display_id);
 }
 
 #if defined(USE_OZONE)
 // Find a WindowTreeHost used for mirroring displays that contains
 // the |point_in_screen|. Returns nullptr if such WTH does not exist.
 aura::WindowTreeHost* FindMirroringWindowTreeHostFromScreenPoint(
     const gfx::Point& point_in_screen) {
   display::DisplayList mirroring_display_list =
       Shell::GetInstance()
           ->display_manager()
           ->software_mirroring_display_list();
-  int index =
-      FindDisplayIndexContainingPoint(mirroring_display_list, point_in_screen);
+  int index = display::FindDisplayIndexContainingPoint(mirroring_display_list,
+                                                       point_in_screen);
   if (index < 0)
     return nullptr;
   return GetMirroringAshWindowTreeHostForDisplayId(
              mirroring_display_list[index].id())
       ->AsWindowTreeHost();
 }
 #endif
 
 }  // namespace
 
@@ skipping 17 matching lines @@
   target->GetHost()->GetRootTransform().TransformPoint(&point_in_unified_host);
 
   if (current_cursor_display_id_ != display::Display::kInvalidDisplayID) {
     aura::client::CursorClient* cursor_client =
         aura::client::GetCursorClient(target->GetRootWindow());
     if (cursor_client) {
       display::DisplayList mirroring_display_list =
           Shell::GetInstance()
               ->display_manager()
               ->software_mirroring_display_list();
-      int index = FindDisplayIndexContainingPoint(mirroring_display_list,
-                                                  point_in_unified_host);
+      int index = display::FindDisplayIndexContainingPoint(
+          mirroring_display_list, point_in_unified_host);
       if (index >= 0) {
         const display::Display& new_display = mirroring_display_list[index];
         if (current_cursor_display_id_ != new_display.id()) {
           cursor_client->SetDisplay(new_display);
           current_cursor_display_id_ = display::Display::kInvalidDisplayID;
         }
       }
     }
   }
 
@@ skipping 30 matching lines @@
                                           ->software_mirroring_display_list();
 
   if (display_list.size() < 2) {
     LOG(ERROR) << "Mirroring Display lost during re-configuration";
     return;
   }
   LOG_IF(ERROR, display_list.size() > 2) << "Only two displays are supported";
 
   const display::Display& first = display_list[0];
   const display::Display& second = display_list[1];
-  bool success = ComputeBoundary(first, second, &first_edge_bounds_in_native_,
-                                 &second_edge_bounds_in_native_);
+  bool success =
+      display::ComputeBoundary(first, second, &first_edge_bounds_in_native_,
+                               &second_edge_bounds_in_native_);
   DCHECK(success);
 
   first_edge_bounds_in_native_ =
       GetNativeEdgeBounds(GetMirroringAshWindowTreeHostForDisplayId(first.id()),
                           first_edge_bounds_in_native_);
 
   second_edge_bounds_in_native_ = GetNativeEdgeBounds(
       GetMirroringAshWindowTreeHostForDisplayId(second.id()),
       second_edge_bounds_in_native_);
 }
@@ skipping 15 matching lines @@
       in_first_edge ? display_list[0].id() : display_list[1].id();
   AshWindowTreeHost* target_ash_host =
       GetMirroringAshWindowTreeHostForDisplayId(
           in_first_edge ? display_list[1].id() : display_list[0].id());
   MoveCursorTo(target_ash_host, point_in_unified_host,
                update_mouse_location_now);
   return true;
 }
 
 }  // namespace ash