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diff --git a/WebKit/mac/Plugins/Hosted/NetscapePluginHostProxy.h b/WebKit/mac/Plugins/Hosted/NetscapePluginHostProxy.h
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+++ b/WebKit/mac/Plugins/Hosted/NetscapePluginHostProxy.h
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+/*
+ * Copyright (C) 2008 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. ``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
+ * 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. 
+ */
+
+#if USE(PLUGIN_HOST_PROCESS)
+
+#ifndef NetscapePluginHostProxy_h
+#define NetscapePluginHostProxy_h
+
+#include <dispatch/dispatch.h>
+#include <wtf/HashMap.h>
+#include <wtf/RetainPtr.h>
+#include <wtf/PassRefPtr.h>
+
+namespace WebKit {
+    
+class NetscapePluginInstanceProxy;
+
+class NetscapePluginHostProxy {
+public:
+    NetscapePluginHostProxy(mach_port_t clientPort, mach_port_t pluginHostPort, const ProcessSerialNumber& pluginHostPSN);
+    
+    mach_port_t port() const { return m_pluginHostPort; }
+    mach_port_t clientPort() const { return m_clientPort; }
+
+    void addPluginInstance(NetscapePluginInstanceProxy*);
+    void removePluginInstance(NetscapePluginInstanceProxy*);
+
+    NetscapePluginInstanceProxy* pluginInstance(uint32_t pluginID);
+    
+    void setMenuBarVisible(bool);
+    void setModal(bool);
+
+    void applicationDidBecomeActive();
+    
+    bool processRequests();
+    
+private:
+    ~NetscapePluginHostProxy();
+    void pluginHostDied();
+
+    void beginModal();
+    void endModal();
+    
+    static void deadNameNotificationCallback(CFMachPortRef port, void *msg, CFIndex size, void *info);
+
+    typedef HashMap<uint32_t, RefPtr<NetscapePluginInstanceProxy> > PluginInstanceMap;
+    PluginInstanceMap m_instances;
+    
+    mach_port_t m_clientPort;
+    mach_port_t m_portSet;
+    
+#ifdef USE_LIBDISPATCH
+    dispatch_source_t m_clientPortSource;
+#else
+    RetainPtr<CFRunLoopSourceRef> m_clientPortSource;
+#endif
+    mach_port_t m_pluginHostPort;
+    RetainPtr<CFMachPortRef> m_deadNameNotificationPort;
+    
+    RetainPtr<id> m_activationObserver;
+    RetainPtr<NSWindow *> m_placeholderWindow;
+    unsigned m_isModal;
+    bool m_menuBarIsVisible;
+    const ProcessSerialNumber m_pluginHostPSN;
+};
+    
+} // namespace WebKit
+
+#endif // NetscapePluginHostProxy_h
+#endif // USE(PLUGIN_HOST_PROCESS)