Remove more scrolling code from Sky

sky/engine/web/WebViewImpl.h

 /*
  * Copyright (C) 2010 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 93 matching lines @@
 
     virtual float deviceScaleFactor() const override;
     virtual void setDeviceScaleFactor(float) override;
 
     virtual WebHitTestResult hitTestResultAt(const WebPoint&) override;
     virtual void spellingMarkers(WebVector<uint32_t>* markers) override;
     virtual void removeSpellingMarkersUnderWords(const WebVector<WebString>& words) override;
 
     virtual void setShowPaintRects(bool) override;
     void setShowDebugBorders(bool);
-    virtual void setShowScrollBottleneckRects(bool) override;
 
     virtual void acceptLanguagesChanged() override;
 
     // WebViewImpl
     HitTestResult coreHitTestResultAt(const WebPoint&);
 
     void setBackgroundColorOverride(WebColor);
 
     Color baseBackgroundColor() const { return m_baseBackgroundColor; }
 
@@ skipping 45 matching lines @@
     IntPoint clampOffsetAtScale(const IntPoint& offset, float scale);
 
     // Exposed for tests.
     WebVector<WebCompositionUnderline> compositionUnderlines() const;
 
     bool matchesHeuristicsForGpuRasterizationForTesting() const { return m_matchesHeuristicsForGpuRasterization; }
 
 private:
     IntSize contentsSize() const;
 
-    void resetSavedScrollAndScaleState();
-
     void performResize();
 
     friend class WebView;  // So WebView::Create can call our constructor
     friend class WTF::RefCounted<WebViewImpl>;
     friend void setCurrentInputEventForTest(const WebInputEvent*);
 
     enum DragAction {
       DragEnter,
       DragOver
     };
@@ skipping 40 matching lines @@
     // associated WM_CHAR event if the keydown was handled. We emulate
     // this behavior by setting this flag if the keyDown was handled.
     bool m_suppressNextKeypressEvent;
 
     // Represents whether or not this object should process incoming IME events.
     bool m_imeAcceptEvents;
 
     // Whether the webview is rendering transparently.
     bool m_isTransparent;
 
-    IntRect m_rootLayerScrollDamage;
     WebLayer* m_rootLayer;
     bool m_matchesHeuristicsForGpuRasterization;
     // If true, the graphics context is being restored.
     bool m_recreatingGraphicsContext;
     static const WebInputEvent* m_currentInputEvent;
 
     WebPoint m_positionOnFlingStart;
     WebPoint m_globalPositionOnFlingStart;
     int m_flingModifier;
     bool m_flingSourceDevice;
 
     bool m_showPaintRects;
     bool m_showDebugBorders;
-    bool m_showScrollBottleneckRects;
     WebColor m_baseBackgroundColor;
     WebColor m_backgroundColorOverride;
 };
 
 // We have no ways to check if the specified WebView is an instance of
 // WebViewImpl because WebViewImpl is the only implementation of WebView.
 DEFINE_TYPE_CASTS(WebViewImpl, WebView, webView, true, true);
 
 } // namespace blink
 
 #endif  // SKY_ENGINE_WEB_WEBVIEWIMPL_H_