Refactor Scroll Customization to share cc::ScrollStateData with blink.

third_party/WebKit/Source/platform/scroll/ScrollStateData.h

+// Copyright 2016 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.
+
+#ifndef ScrollStateData_h
+#define ScrollStateData_h
+
+#include "cc/input/scroll_state.h"
+
+namespace blink {
+
+// A wrapper around cc's structure to expose it to core.
+struct ScrollStateData : public cc::ScrollStateData {
+    ScrollStateData(double deltaX,
+        double deltaY,
+        int startPositionX,
+        int startPositionY,
+        double velocityX,
+        double velocityY,
+        bool isBeginning,
+        bool isInInertialPhase,
+        bool isEnding,
+        bool shouldPropagate,
+        bool fromUserInput,
+        bool isDirectManipulation,
+        double deltaGranularity,
+        bool deltaConsumedForScrollSequence)
+        : cc::ScrollStateData(deltaX, deltaY, startPositionX, startPositionY,
+            velocityX, velocityY, isBeginning, isInInertialPhase, isEnding,
+            shouldPropagate, fromUserInput,
+            isDirectManipulation, deltaGranularity, deltaConsumedForScrollSequence)
+    {
+    }
+
+    ScrollStateData()
+        : cc::ScrollStateData()
+    {
+    }
+};
+
+} // namespace blink
+
+#endif