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

ash/virtual_keyboard_controller.cc

Index: ash/virtual_keyboard_controller.cc
diff --git a/ash/virtual_keyboard_controller.cc b/ash/virtual_keyboard_controller.cc
index 2d1443c945c7fb20385958a55ac0c811cc265940..b49c60af702c20294f0828673cb8ef123b2aa27a 100644
--- a/ash/virtual_keyboard_controller.cc
+++ b/ash/virtual_keyboard_controller.cc
@@ -12,7 +12,6 @@
 #include "ash/system/tray/system_tray_notifier.h"
 #include "ash/wm/maximize_mode/maximize_mode_controller.h"
 #include "ash/wm/window_util.h"
-#include "ash/wm_window.h"
 #include "base/command_line.h"
 #include "base/strings/string_util.h"
 #include "ui/display/display.h"
@@ -138,7 +137,8 @@ void VirtualKeyboardController::MoveKeyboardToTouchableDisplay() {
     // Move the virtual keyboard to the focused display if that display has
     // touch capability or keyboard is locked
     const display::Display focused_display =
-        WmWindow::Get(wm::GetFocusedWindow())->GetDisplayNearestWindow();
+        display::Screen::GetScreen()->GetDisplayNearestWindow(
+            wm::GetFocusedWindow());
     if (current_display.id() != focused_display.id() &&
         focused_display.id() != display::kInvalidDisplayId &&
         focused_display.touch_support() ==