Fix cursor getting invisible after moving a window.

ash/test/cursor_manager_test_api.cc

Index: ash/test/cursor_manager_test_api.cc
diff --git a/ash/test/cursor_manager_test_api.cc b/ash/test/cursor_manager_test_api.cc
new file mode 100644
index 0000000000000000000000000000000000000000..e992f9ca016242fbc432c064f0e62eb9335ff8cc
--- /dev/null
+++ b/ash/test/cursor_manager_test_api.cc
@@ -0,0 +1,29 @@
+// 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 "ash/test/cursor_manager_test_api.h"
+
+#include "ash/wm/cursor_manager.h"
+#include "ash/wm/image_cursors.h"
+
+namespace ash {
+namespace test {
+
+CursorManagerTestApi::CursorManagerTestApi(CursorManager* cursor_manager)
+    : cursor_manager_(cursor_manager) {
+}
+
+CursorManagerTestApi::~CursorManagerTestApi() {
+}
+
+gfx::NativeCursor CursorManagerTestApi::GetCurrentCursor() {
+  return cursor_manager_->current_cursor_;
+}
+
+float CursorManagerTestApi::GetDeviceScaleFactor() {
+  return cursor_manager_->image_cursors_->GetDeviceScaleFactor();
+}
+
+}  // namespace test
+}  // namespace ash