--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WebCore/bindings/v8/ScriptCachedFrameData.h	Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,91 @@
+/*
+ * Copyright (C) 2010 Google 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:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * 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.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT
+ * OWNER OR 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 ScriptCachedFrameData_h
+#define ScriptCachedFrameData_h
+
+#if PLATFORM(CHROMIUM)
+// We don't use WebKit's page caching, so this implementation is just a stub.
+
+namespace WebCore {
+
+class Frame;
+class DOMWindow;
+
+class ScriptCachedFrameData  {
+public:
+    ScriptCachedFrameData(Frame*) { }
+    ~ScriptCachedFrameData() { }
+
+    void restore(Frame*) { }
+    void clear() { }
+    DOMWindow* domWindow() const { return 0; }
+};
+
+} // namespace WebCore
+
+#elif PLATFORM(ANDROID)
+// FIXME: the right guard should be ENABLE(PAGE_CACHE). Replace with the right guard, once
+// https://bugs.webkit.org/show_bug.cgi?id=35061 is fixed.
+//
+// On Android we do use WebKit's page cache. For now we don't support isolated worlds
+// so our implementation does not take them into account.
+
+#include "OwnHandle.h"
+#include <v8.h>
+#include <wtf/Noncopyable.h>
+
+namespace WebCore {
+
+class Frame;
+class DOMWindow;
+
+class ScriptCachedFrameData  : public Noncopyable {
+public:
+    ScriptCachedFrameData(Frame*);
+    ~ScriptCachedFrameData() { }
+
+    void restore(Frame*);
+    void clear();
+    DOMWindow* domWindow() const;
+
+private:
+    OwnHandle<v8::Object> m_global;
+    OwnHandle<v8::Context> m_context;
+    DOMWindow* m_domWindow;
+};
+
+} // namespace WebCore
+
+#else
+#error You need to consider whether you want Page Cache and either add a stub or a real implementation.
+#endif // PLATFORM(CHROMIUM)
+
+#endif // ScriptCachedFrameData_h