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diff --git a/chromium/third_party/WebKit/Source/web/PageWidgetDelegate.h b/chromium/third_party/WebKit/Source/web/PageWidgetDelegate.h
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+++ b/chromium/third_party/WebKit/Source/web/PageWidgetDelegate.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 PageWidgetDelegate_h
+#define PageWidgetDelegate_h
+
+#include "WebWidget.h"
+#include "core/page/Page.h"
+#include "public/platform/WebCanvas.h"
+#include "wtf/OwnPtr.h"
+
+namespace WebCore {
+class Frame;
+class Page;
+}
+
+namespace WebKit {
+
+class PageOverlayList;
+class WebGestureEvent;
+class WebInputEvent;
+class WebKeyboardEvent;
+class WebMouseEvent;
+class WebMouseWheelEvent;
+class WebTouchEvent;
+
+class PageWidgetEventHandler {
+public:
+    virtual void handleMouseMove(WebCore::Frame& mainFrame, const WebMouseEvent&);
+    virtual void handleMouseLeave(WebCore::Frame& mainFrame, const WebMouseEvent&);
+    virtual void handleMouseDown(WebCore::Frame& mainFrame, const WebMouseEvent&);
+    virtual void handleMouseUp(WebCore::Frame& mainFrame, const WebMouseEvent&);
+    virtual bool handleMouseWheel(WebCore::Frame& mainFrame, const WebMouseWheelEvent&);
+    virtual bool handleKeyEvent(const WebKeyboardEvent&) = 0;
+    virtual bool handleCharEvent(const WebKeyboardEvent&) = 0;
+    virtual bool handleGestureEvent(const WebGestureEvent&) = 0;
+    virtual bool handleTouchEvent(WebCore::Frame& mainFrame, const WebTouchEvent&);
+    virtual ~PageWidgetEventHandler() { }
+};
+
+
+// Common implementation of WebViewImpl and WebPagePopupImpl.
+class PageWidgetDelegate {
+public:
+    enum CanvasBackground {
+        Opaque,
+        Translucent,
+    };
+    static void animate(WebCore::Page*, double monotonicFrameBeginTime);
+    static void layout(WebCore::Page*);
+    static void paint(WebCore::Page*, PageOverlayList*, WebCanvas*, const WebRect&, CanvasBackground);
+    static bool handleInputEvent(WebCore::Page*, PageWidgetEventHandler&, const WebInputEvent&);
+
+private:
+    PageWidgetDelegate() { }
+};
+
+}
+#endif