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diff --git a/Source/WebKit/chromium/public/WebPluginContainer.h b/Source/WebKit/chromium/public/WebPluginContainer.h
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+/*
+ * Copyright (C) 2009 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 WebPluginContainer_h
+#define WebPluginContainer_h
+
+struct NPObject;
+
+namespace WebKit {
+
+class WebElement;
+class WebPlugin;
+class WebString;
+class WebURL;
+class WebURLRequest;
+struct WebRect;
+
+class WebPluginContainer {
+public:
+    // Returns the element containing this plugin.
+    virtual WebElement element() = 0;
+
+    virtual void invalidate() = 0;
+    virtual void invalidateRect(const WebRect&) = 0;
+    virtual void scrollRect(int dx, int dy, const WebRect&) = 0;
+
+    // Causes the container to report its current geometry via
+    // WebPlugin::updateGeometry.
+    virtual void reportGeometry() = 0;
+    
+    // Called when the backing texture is ready to be composited.
+    virtual void commitBackingTexture() {}
+    
+    // Drop any references to script objects allocated by the plugin.
+    // These are objects derived from WebPlugin::scriptableObject.  This is
+    // called when the plugin is being destroyed or if it needs to be
+    // re-initialized.
+    virtual void clearScriptObjects() = 0;
+
+    // Returns the scriptable object associated with the DOM element
+    // containing the plugin.
+    virtual NPObject* scriptableObjectForElement() = 0;
+
+    // Executes a "javascript:" URL on behalf of the plugin in the context
+    // of the frame containing the plugin.  Returns the result of script
+    // execution, if any.
+    virtual WebString executeScriptURL(const WebURL&, bool popupsAllowed) = 0;
+
+    // Loads an URL in the specified frame (or the frame containing this
+    // plugin if target is empty).  If notifyNeeded is true, then upon
+    // completion, WebPlugin::didFinishLoadingFrameRequest is called if the
+    // load was successful or WebPlugin::didFailLoadingFrameRequest is
+    // called if the load failed.  The given notifyData is passed along to
+    // the callback.
+    virtual void loadFrameRequest(
+        const WebURLRequest&, const WebString& target, bool notifyNeeded, void* notifyData) = 0;
+
+    // Notifies that the zoom level has changed.
+    virtual void zoomLevelChanged(double zoomLevel) = 0;
+
+    virtual WebPlugin* plugin() = 0;
+    virtual void setPlugin(WebPlugin*) = 0;
+
+protected:
+    ~WebPluginContainer() { }
+};
+
+} // namespace WebKit
+
+#endif