Updated to Chrome 45 (2454) moved from SVN to git.

core/page/scrolling/ScrollState.idl

+// 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.
+
+// http://dev.w3.org/houdini/css-scroll-api/
+
+[
+    Constructor(optional double deltaX = 0,
+                optional double deltaY = 0,
+                optional double deltaGranularity = 0,
+                optional double velocityX = 0,
+                optional double velocityY = 0,
+                optional boolean inInertialPhase = false,
+                optional boolean isBeginning = false,
+                optional boolean isEnding = false),
+    WillBeGarbageCollected,
+    RuntimeEnabled=ScrollCustomization
+] interface ScrollState {
+    readonly attribute double deltaX;
+    readonly attribute double deltaY;
+    readonly attribute double deltaGranularity;
+    readonly attribute double velocityX;
+    readonly attribute double velocityY;
+    readonly attribute boolean inInertialPhase;
+    readonly attribute boolean isEnding;
+    readonly attribute boolean isBeginning;
+    readonly attribute boolean fromUserInput;
+    readonly attribute boolean shouldPropagate;
+
+    [RaisesException] void consumeDelta(double x, double y);
+    // FIXME: implement distributeToScrollChainDescendent.
+};