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diff --git a/chromium/third_party/WebKit/Source/web/WebHelperPluginImpl.h b/chromium/third_party/WebKit/Source/web/WebHelperPluginImpl.h
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+/*
+ * Copyright (C) 2012 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 WebHelperPluginImpl_h
+#define WebHelperPluginImpl_h
+
+#include "WebHelperPlugin.h"
+#include "wtf/OwnPtr.h"
+#include "wtf/RefCounted.h"
+
+namespace WebCore {
+class Page;
+}
+
+namespace WebKit {
+
+class HelperPluginChromeClient;
+class WebDocument;
+class WebFrame;
+class WebViewImpl;
+class WebWidgetClient;
+
+// Hosts a simple page that instantiates a plugin using an <object> tag.
+// The widget is offscreen, and the plugin will not receive painting, resize, etc. events.
+class WebHelperPluginImpl : public WebHelperPlugin,
+                            public RefCounted<WebHelperPluginImpl> {
+    WTF_MAKE_NONCOPYABLE(WebHelperPluginImpl);
+    WTF_MAKE_FAST_ALLOCATED;
+
+public:
+    virtual ~WebHelperPluginImpl();
+    bool initialize(const String& pluginType, const WebDocument& hostDocument, WebViewImpl*);
+    void closeHelperPlugin();
+
+    // WebHelperPlugin methods:
+    virtual void initializeFrame(WebFrameClient*) OVERRIDE;
+    virtual WebPlugin* getPlugin() OVERRIDE;
+
+private:
+    explicit WebHelperPluginImpl(WebWidgetClient*);
+    bool initializePage(const String& pluginType, const WebDocument& hostDocument);
+    void destroyPage();
+
+    // WebWidget methods:
+    virtual void layout() OVERRIDE;
+    virtual void setFocus(bool) OVERRIDE;
+    virtual void close() OVERRIDE;
+
+    WebWidgetClient* m_widgetClient;
+    WebViewImpl* m_webView;
+    OwnPtr<WebCore::Page> m_page;
+    OwnPtr<HelperPluginChromeClient> m_chromeClient;
+
+    friend class WebHelperPlugin;
+    friend class HelperPluginChromeClient;
+};
+
+} // namespace WebKit
+
+#endif // WebHelperPluginImpl_h