[mus+ash] Removes WmWindow from ash (app_list, frame, metrics, session, system, wallpaper)

ash/display/screen_position_controller.cc

Index: ash/display/screen_position_controller.cc
diff --git a/ash/display/screen_position_controller.cc b/ash/display/screen_position_controller.cc
index 6b5da7c7e6ec4fed3fe45719c8cdca17ffa268a3..ac3d906ca7126246a55188015e684af9633043fa 100644
--- a/ash/display/screen_position_controller.cc
+++ b/ash/display/screen_position_controller.cc
@@ -6,11 +6,9 @@
 
 #include "ash/public/cpp/shell_window_ids.h"
 #include "ash/shell.h"
-#include "ash/shell_port.h"
 #include "ash/wm/window_positioning_utils.h"
 #include "ash/wm/window_properties.h"
 #include "ash/wm/window_state.h"
-#include "ash/wm_window.h"
 #include "ui/aura/window.h"
 #include "ui/aura/window_tree_host.h"
 #include "ui/compositor/dip_util.h"
@@ -103,9 +101,8 @@ void ScreenPositionController::ConvertHostPointToScreen(
     gfx::Point* point) {
   aura::Window* root = root_window->GetRootWindow();
   aura::Window* target_root = nullptr;
-  ConvertHostPointToRelativeToRootWindow(
-      root, WmWindow::ToAuraWindows(ShellPort::Get()->GetAllRootWindows()),
-      point, &target_root);
+  ConvertHostPointToRelativeToRootWindow(root, Shell::GetAllRootWindows(),
+                                         point, &target_root);
   ConvertPointToScreen(target_root, point);
 }