diff -r 000000000000 -r 4f2f89ce4247 WebCore/plugins/PluginViewBase.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WebCore/plugins/PluginViewBase.h	Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,50 @@
+/*
+ * Copyright (C) 2010 Apple Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1.  Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2.  Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef PluginWidget_h
+#define PluginWidget_h
+
+#include "Widget.h"
+#include "GraphicsLayer.h"
+
+namespace WebCore {
+
+// PluginViewBase is a widget that all plug-in views inherit from, both in Webkit and WebKit2.
+// It's intended as a stopgap measure until we can merge all plug-in views into a single plug-in view.
+class PluginViewBase : public Widget {
+public:
+#if USE(ACCELERATED_COMPOSITING)
+    virtual PlatformLayer* platformLayer() const { return 0; }
+#endif
+
+protected:
+    PluginViewBase(PlatformWidget widget) : Widget(widget) { }
+    
+private:
+    virtual bool isPluginViewBase() const { return true; }
+};
+
+} // namespace WebCore
+
+#endif // PluginWidget_h