We need to set the clipping region of the HDC passed in to a windowless flash...

webkit/glue/plugins/test/plugin_windowless_test.h

+// Copyright (c) 2006-2008 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.
+
+#ifndef WEBKIT_GLUE_PLUGINS_TEST_PLUGIN_EXECUTE_SCRIPT_DELETE_TEST_H
+#define WEBKIT_GLUE_PLUGINS_TEST_PLUGIN_EXECUTE_SCRIPT_DELETE_TEST_H
+
+#include "webkit/glue/plugins/test/plugin_test.h"
+
+namespace NPAPIClient {
+
+// This class contains a list of windowless plugin tests. Please add additional
+// tests to this class.
+class WindowlessPluginTest : public PluginTest {
+ public:
+  // Constructor.
+  WindowlessPluginTest(NPP id, NPNetscapeFuncs *host_functions,
+                       const std::string& test_name);
+  // NPAPI HandleEvent handler
+  virtual int16 HandleEvent(void* event);
+
+ private:
+  std::string test_name_;
+};
+
+} // namespace NPAPIClient
+
+#endif  // WEBKIT_GLUE_PLUGINS_TEST_PLUGIN_EXECUTE_SCRIPT_DELETE_TEST_H