Web Animations: Migrate SVG integer interpolation to interpolation types

third_party/WebKit/Source/core/animation/SVGIntegerInterpolationType.cpp

Index: third_party/WebKit/Source/core/animation/SVGIntegerInterpolationType.cpp
diff --git a/third_party/WebKit/Source/core/animation/SVGIntegerInterpolationType.cpp b/third_party/WebKit/Source/core/animation/SVGIntegerInterpolationType.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..5386030f2c5c7405b7730d51cb48a8e8eaff8f62
--- /dev/null
+++ b/third_party/WebKit/Source/core/animation/SVGIntegerInterpolationType.cpp
@@ -0,0 +1,38 @@
+// Copyright 2015 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "config.h"
+#include "core/animation/SVGIntegerInterpolationType.h"
+
+#include "core/animation/InterpolationEnvironment.h"
+#include "core/animation/StringKeyframe.h"
+#include "core/svg/SVGInteger.h"
+#include "core/svg/properties/SVGAnimatedProperty.h"
+
+namespace blink {
+
+PassOwnPtr<InterpolationValue> SVGIntegerInterpolationType::maybeConvertNeutral() const
+{
+    return InterpolationValue::create(*this, InterpolableNumber::create(0));
+}
+
+PassOwnPtr<InterpolationValue> SVGIntegerInterpolationType::maybeConvertSVGValue(const SVGPropertyBase& svgValue) const
+{
+    if (svgValue.type() != AnimatedInteger)
+        return nullptr;
+    return InterpolationValue::create(*this, InterpolableNumber::create(toSVGInteger(svgValue).value()));
+}
+
+PassOwnPtr<InterpolationValue> SVGIntegerInterpolationType::maybeConvertUnderlyingValue(const InterpolationEnvironment& environment) const
+{
+    return maybeConvertSVGValue(environment.svgBaseValue());
+}
+
+RefPtrWillBeRawPtr<SVGPropertyBase> SVGIntegerInterpolationType::appliedSVGValue(const InterpolableValue& interpolableValue, const NonInterpolableValue*) const
+{
+    double value = toInterpolableNumber(interpolableValue).value();
+    return SVGInteger::create(round(value));
+}
+
+} // namespace blink