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diff --git a/Source/WebKit/chromium/src/WebTransformAnimationCurve.cpp b/Source/WebKit/chromium/src/WebTransformAnimationCurve.cpp
new file mode 100644
index 000000000..ca95fa39e
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+++ b/Source/WebKit/chromium/src/WebTransformAnimationCurve.cpp
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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:
+ * 1.  Redistributions of source code must retain the above copyright
+ *     notice, this list of conditions and the following disclaimer.
+ * 2.  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.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS 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 APPLE INC. OR ITS 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/WebTransformAnimationCurve.h>
+
+#include "WebAnimationCurveCommon.h"
+#include "cc/CCKeyframedAnimationCurve.h"
+#include "cc/CCTimingFunction.h"
+#include <wtf/OwnPtr.h>
+#include <wtf/PassOwnPtr.h>
+
+namespace WebKit {
+
+void WebTransformAnimationCurve::add(const WebTransformKeyframe& keyframe)
+{
+    add(keyframe, TimingFunctionTypeEase);
+}
+
+void WebTransformAnimationCurve::add(const WebTransformKeyframe& keyframe, TimingFunctionType type)
+{
+    m_private->addKeyframe(WebCore::CCTransformKeyframe::create(keyframe.time, keyframe.value, createTimingFunction(type)));
+}
+
+void WebTransformAnimationCurve::add(const WebTransformKeyframe& keyframe, double x1, double y1, double x2, double y2)
+{
+    m_private->addKeyframe(WebCore::CCTransformKeyframe::create(keyframe.time, keyframe.value, WebCore::CCCubicBezierTimingFunction::create(x1, y1, x2, y2)));
+}
+
+WebTransformationMatrix WebTransformAnimationCurve::getValue(double time) const
+{
+    return m_private->getValue(time);
+}
+
+WebTransformAnimationCurve::operator PassOwnPtr<WebCore::CCAnimationCurve>() const
+{
+    return m_private->clone();
+}
+
+void WebTransformAnimationCurve::initialize()
+{
+    m_private.reset(WebCore::CCKeyframedTransformAnimationCurve::create().leakPtr());
+}
+
+void WebTransformAnimationCurve::destroy()
+{
+    m_private.reset(0);
+}
+
+} // namespace WebKit