chromeos: Renames WmWindowAura to WmWindow

ash/mus/move_event_handler.cc

Index: ash/mus/move_event_handler.cc
diff --git a/ash/mus/move_event_handler.cc b/ash/mus/move_event_handler.cc
index dbda4d222f14fa2118d95135b2c63348016a3cff..6a4c17349c9008fddb93dc2b314ca59e37b88db5 100644
--- a/ash/mus/move_event_handler.cc
+++ b/ash/mus/move_event_handler.cc
@@ -4,7 +4,7 @@
 
 #include "ash/mus/move_event_handler.h"
 
-#include "ash/aura/wm_window_aura.h"
+#include "ash/common/wm_window.h"
 #include "ash/mus/bridge/workspace_event_handler_mus.h"
 #include "services/ui/public/interfaces/cursor.mojom.h"
 #include "ui/aura/mus/window_manager_delegate.h"
@@ -62,7 +62,7 @@ void OnMoveLoopCompleted(const base::Callback<void(bool success)>& end_closure,
 MoveEventHandler::MoveEventHandler(
     aura::WindowManagerClient* window_manager_client,
     aura::Window* window)
-    : wm_window_(ash::WmWindowAura::Get(window)),
+    : wm_window_(WmWindow::Get(window)),
       window_manager_client_(window_manager_client),
       toplevel_window_event_handler_(wm_window_->GetShell()) {
   window->AddObserver(this);
@@ -77,8 +77,7 @@ MoveEventHandler::~MoveEventHandler() {
 
 // static
 MoveEventHandler* MoveEventHandler::GetForWindow(WmWindow* wm_window) {
-  return ash::WmWindowAura::GetAuraWindow(wm_window)->GetProperty(
-      kWmMoveEventHandler);
+  return WmWindow::GetAuraWindow(wm_window)->GetProperty(kWmMoveEventHandler);
 }
 
 void MoveEventHandler::AttemptToStartDrag(