Aura desktop: Show resize cursors again.

ui/aura/client/cursor_client.cc

+// Copyright (c) 2012 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 "ui/aura/client/cursor_client.h"
+
+#include "ui/aura/window.h"
+#include "ui/aura/window_property.h"
+
+DECLARE_WINDOW_PROPERTY_TYPE(aura::client::CursorClient*)
+
+namespace aura {
+namespace client {
+
+// A property key to store a client that handles window moves.
+DEFINE_LOCAL_WINDOW_PROPERTY_KEY(
+    CursorClient*, kCursorClientKey, NULL);
+
+void SetCursorClient(Window* window, CursorClient* client) {
+  window->SetProperty(kCursorClientKey, client);
+}
+
+CursorClient* GetCursorClient(Window* window) {
+  return window->GetProperty(kCursorClientKey);
+}
+
+}  // namespace client
+}  // namespace aura