diff -r 000000000000 -r 4f2f89ce4247 WebKit2/WebProcess/WebPage/DrawingArea.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WebKit2/WebProcess/WebPage/DrawingArea.cpp	Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,66 @@
+/*
+ * 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.
+ */
+
+#include "DrawingArea.h"
+
+// Subclasses
+#include "ChunkedUpdateDrawingArea.h"
+#if USE(ACCELERATED_COMPOSITING)
+#include "LayerBackedDrawingArea.h"
+#endif
+
+namespace WebKit {
+
+DrawingArea* DrawingArea::create(Type type, WebPage* webPage)
+{
+    DrawingArea* drawingArea = 0;
+    switch (type) {
+        case None:
+            ASSERT_NOT_REACHED();
+            break;
+        case ChunkedUpdateDrawingAreaType:
+            drawingArea = new ChunkedUpdateDrawingArea(webPage);
+            break;
+#if USE(ACCELERATED_COMPOSITING) && PLATFORM(MAC)
+        case LayerBackedDrawingAreaType:
+            drawingArea = new LayerBackedDrawingArea(webPage);
+            break;
+#endif
+    }
+
+    return drawingArea;
+}
+
+DrawingArea::DrawingArea(Type type, WebPage* webPage)
+    : m_type(type)
+    , m_webPage(webPage)
+{
+}
+
+DrawingArea::~DrawingArea()
+{
+}
+
+} // namespace WebKit