diff -r 000000000000 -r 6474c204b198 gfx/skia/trunk/include/views/animated/SkScrollBarView.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gfx/skia/trunk/include/views/animated/SkScrollBarView.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,44 @@
+
+/*
+ * Copyright 2006 The Android Open Source Project
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+
+#ifndef SkScrollBarView_DEFINED
+#define SkScrollBarView_DEFINED
+
+#include "SkView.h"
+#include "SkWidgetViews.h"
+#include "SkAnimator.h"
+
+class SkScrollBarView : public SkWidgetView {
+public:
+    SkScrollBarView();
+
+    unsigned getStart() const { return fStartPoint; }
+    unsigned getShown() const { return fShownLength; }
+    unsigned getTotal() const { return fTotalLength; }
+
+    void setStart(unsigned start);
+    void setShown(unsigned shown);
+    void setTotal(unsigned total);
+
+protected:
+    //overrides
+    virtual void onInflate(const SkDOM& dom, const SkDOM::Node* node);
+    virtual void onSizeChange();
+    virtual void onDraw(SkCanvas* canvas);
+    virtual bool onEvent(const SkEvent& evt);
+
+private:
+    SkAnimator  fAnim;
+    unsigned    fTotalLength, fStartPoint, fShownLength;
+
+    void adjust();
+
+    typedef SkWidgetView INHERITED;
+};
+#endif