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diff --git a/chromium/third_party/WebKit/Source/core/frame/SmartClip.h b/chromium/third_party/WebKit/Source/core/frame/SmartClip.h
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+/*
+ * Copyright (C) 2013 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 SmartClip_h
+#define SmartClip_h
+
+#include "core/dom/Node.h"
+#include "core/frame/Frame.h"
+
+namespace WebCore {
+
+class SmartClipData {
+public:
+    SmartClipData()
+    {
+    }
+
+    SmartClipData(Node* node, IntRect rect, String string)
+        : m_node(node)
+        , m_rect(rect)
+        , m_string(string)
+    {
+    }
+
+    String toString();
+
+private:
+    RefPtr<Node> m_node;
+    IntRect m_rect;
+    String m_string;
+};
+
+// SmartClip implements support for the copy operation
+// with an S-Pen on Samsung devices. The behavior of this
+// class is quirky and poorly tested. It's approximately
+// trying to do a poor-mans implementation of columnar
+// selection followed by a copy operation.
+class SmartClip {
+public:
+    explicit SmartClip(PassRefPtr<Frame>);
+
+    SmartClipData dataForRect(const IntRect&);
+
+private:
+    float pageScaleFactor();
+
+    Node* minNodeContainsNodes(Node* minNode, Node* newNode);
+    Node* findBestOverlappingNode(Node*, const IntRect& cropRect);
+    bool shouldSkipBackgroundImage(Node*);
+    void collectOverlappingChildNodes(Node* parentNode, const IntRect& cropRect, Vector<Node*>& overlappingNodeInfoTable);
+    IntRect convertRectToWindow(const IntRect& nodeRect);
+    String extractTextFromNode(Node*);
+
+    RefPtr<Frame> m_frame;
+};
+
+} // namespace WebCore
+
+#endif // SmartClip_h