[cc] Rename all cc/ filenames to Chromium style

cc/scrollbar_animation_controller.h

 // Copyright 2012 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 CCScrollbarAnimationController_h
+#define CCScrollbarAnimationController_h
+
+#include "FloatPoint.h"
+#include "IntSize.h"
+#include <wtf/PassOwnPtr.h>
+
+namespace cc {
+
+class CCLayerImpl;
+class CCScrollbarLayerImpl;
+
+// This abstract class represents the compositor-side analogy of ScrollbarAnimator.
+// Individual platforms should subclass it to provide specialized implementation.
+class CCScrollbarAnimationController {
+public:
+    // Implemented by subclass.
+    static PassOwnPtr<CCScrollbarAnimationController> create(CCLayerImpl* scrollLayer);
+
+    virtual ~CCScrollbarAnimationController();
+
+    virtual bool animate(double monotonicTime);
+    void didPinchGestureBegin();
+    void didPinchGestureUpdate();
+    void didPinchGestureEnd();
+    void updateScrollOffset(CCLayerImpl* scrollLayer);
+
+    void setHorizontalScrollbarLayer(CCScrollbarLayerImpl* layer) { m_horizontalScrollbarLayer = layer; }
+    CCScrollbarLayerImpl* horizontalScrollbarLayer() const { return m_horizontalScrollbarLayer; }
+
+    void setVerticalScrollbarLayer(CCScrollbarLayerImpl* layer) { m_verticalScrollbarLayer = layer; }
+    CCScrollbarLayerImpl* verticalScrollbarLayer() const { return m_verticalScrollbarLayer; }
+
+    FloatPoint currentPos() const { return m_currentPos; }
+    IntSize totalSize() const { return m_totalSize; }
+    IntSize maximum() const { return m_maximum; }
+
+    virtual void didPinchGestureBeginAtTime(double monotonicTime) { }
+    virtual void didPinchGestureUpdateAtTime(double monotonicTime) { }
+    virtual void didPinchGestureEndAtTime(double monotonicTime) { }
+    virtual void updateScrollOffsetAtTime(CCLayerImpl* scrollLayer, double monotonicTime);
+
+protected:
+    explicit CCScrollbarAnimationController(CCLayerImpl* scrollLayer);
+
+private:
+    static IntSize getScrollLayerBounds(const CCLayerImpl*);
+
+    // Beware of dangling pointer. Always update these during tree synchronization.
+    CCScrollbarLayerImpl* m_horizontalScrollbarLayer;
+    CCScrollbarLayerImpl* m_verticalScrollbarLayer;
+
+    FloatPoint m_currentPos;
+    IntSize m_totalSize;
+    IntSize m_maximum;
+};
+
+} // namespace cc
+
+#endif // CCScrollbarAnimationController_h