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diff --git a/Source/Platform/chromium/src/WebFloatQuad.cpp b/Source/Platform/chromium/src/WebFloatQuad.cpp
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+/*
+ * Copyright (C) 2011 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.
+ */
+
+#include "config.h"
+#include <public/WebFloatQuad.h>
+
+#include <algorithm>
+#include <math.h>
+
+using namespace std;
+
+namespace WebKit {
+
+WebRect WebFloatQuad::enclosingRect() const
+{
+ int left = static_cast<int>(floorf(min(min(min(p[0].x, p[1].x), p[2].x), p[3].x)));
+ int top = static_cast<int>(floorf(min(min(min(p[0].y, p[1].y), p[2].y), p[3].y)));
+ int right = static_cast<int>(ceilf(max(max(max(p[0].x, p[1].x), p[2].x), p[3].x)));
+ int bottom = static_cast<int>(ceilf(max(max(max(p[0].y, p[1].y), p[2].y), p[3].y)));
+
+ return WebRect(left, top, right - left, bottom - top);
+}
+
+} // namespace WebKit