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diff --git a/Source/WebCore/bridge/jni/v8/JavaInstanceV8.h b/Source/WebCore/bridge/jni/v8/JavaInstanceV8.h
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+++ b/Source/WebCore/bridge/jni/v8/JavaInstanceV8.h
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+/*
+ * Copyright (C) 2003, 2008, 2010 Apple Inc. All rights reserved.
+ * Copyright 2010, The Android Open Source Project
+ *
+ * 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.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``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 JavaInstanceV8_h
+#define JavaInstanceV8_h
+
+#include "npruntime.h"
+
+#include <JavaVM/jni.h>
+#include <wtf/RefCounted.h>
+#include <wtf/RefPtr.h>
+
+using namespace WTF;
+
+namespace JSC {
+
+namespace Bindings {
+
+class JavaClass;
+
+class JObjectWrapper {
+friend class RefPtr<JObjectWrapper>;
+friend class JavaField;
+friend class JavaInstance;
+
+public:
+    jobject instance() const { return m_instance; }
+    void setInstance(jobject instance) { m_instance = instance; }
+
+    void ref() { m_refCount++; }
+    void deref()
+    {
+        if (!(--m_refCount))
+            delete this;
+    }
+
+protected:
+    JObjectWrapper(jobject);
+    ~JObjectWrapper();
+
+    jobject m_instance;
+
+private:
+    JNIEnv* m_env;
+    unsigned int m_refCount;
+};
+
+class JavaInstance : public RefCounted<JavaInstance> {
+public:
+    JavaInstance(jobject instance);
+    virtual ~JavaInstance();
+
+    JavaClass* getClass() const;
+
+    bool invokeMethod(const char* name, const NPVariant* args, int argsCount, NPVariant* result);
+
+    jobject javaInstance() const { return m_instance->m_instance; }
+
+    // These functions are called before and after the main entry points into
+    // the native implementations.  They can be used to establish and cleanup
+    // any needed state.
+    void begin() { virtualBegin(); }
+    void end() { virtualEnd(); }
+
+protected:
+    RefPtr<JObjectWrapper> m_instance;
+    mutable JavaClass* m_class;
+
+    virtual void virtualBegin();
+    virtual void virtualEnd();
+};
+
+} // namespace Bindings
+
+} // namespace JSC
+
+#endif // JavaInstanceV8_h