[Ozone-Test] Add proper cursor factory implementation

ui/ozone/platform/test/test_cursor_factory.cc

+// Copyright 2014 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/ozone/platform/test/test_cursor_factory.h"
+
+namespace ui {
+
+TestCursorFactory::TestCursorFactory()
+    : cursor_window_(gfx::kNullAcceleratedWidget) {}
+
+TestCursorFactory::~TestCursorFactory() {}
+
+gfx::AcceleratedWidget TestCursorFactory::GetCursorWindow() {
+  return cursor_window_;
+}
+
+void TestCursorFactory::SetBitmapCursor(
+    gfx::AcceleratedWidget widget,
+    scoped_refptr<BitmapCursorOzone> cursor) {
+  cursor_window_ = widget;
+  cursor_ = cursor;
+}
+
+}  // namespace ui