More cleanup of dead code now that we don't have frame-level scrolling.

sky/engine/core/frame/FrameView.h

 /*
    Copyright (C) 1997 Martin Jones (mjones@kde.org)
              (C) 1998 Waldo Bastian (bastian@kde.org)
              (C) 1998, 1999 Torben Weis (weis@kde.org)
              (C) 1999 Lars Knoll (knoll@kde.org)
              (C) 1999 Antti Koivisto (koivisto@kde.org)
    Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
 
    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Library General Public
@@ skipping 77 matching lines @@
     bool canInvalidatePaintDuringPerformLayout() const { return m_canInvalidatePaintDuringPerformLayout; }
 
     RenderObject* layoutRoot(bool onlyDuringLayout = false) const;
     void clearLayoutSubtreeRoot() { m_layoutSubtreeRoot = 0; }
     int layoutCount() const { return m_layoutCount; }
 
     bool needsLayout() const;
     void setNeedsLayout();
 
     // Methods for getting/setting the size Blink should use to layout the contents.
+    // FIXME(sky): Remove the scrollbars argument now that FrameView doesn't scroll.
     IntSize layoutSize(IncludeScrollbarsInRect = ExcludeScrollbars) const;
     void setLayoutSize(const IntSize&);
 
     // If this is set to false, the layout size will need to be explicitly set by the owner.
     // E.g. WebViewImpl sets its mainFrame's layout size manually
     void setLayoutSizeFixedToFrameSize(bool isFixed) { m_layoutSizeFixedToFrameSize = isFixed; }
     bool layoutSizeFixedToFrameSize() { return m_layoutSizeFixedToFrameSize; }
 
     bool needsFullPaintInvalidation() const { return m_doFullPaintInvalidation; }
 
     void updateAcceleratedCompositingSettings();
 
     void recalcOverflowAfterStyleChange();
 
     bool isEnclosedInCompositingLayer() const;
 
     void prepareForDetach();
-    virtual void recalculateScrollbarOverlayStyle();
 
     void clear();
 
     bool isTransparent() const;
     void setTransparent(bool isTransparent);
 
     // True if the FrameView is not transparent, and the base background color is opaque.
     bool hasOpaqueBackground() const;
 
     Color baseBackgroundColor() const;
     void setBaseBackgroundColor(const Color&);
     void updateBackgroundRecursively(const Color&, bool);
 
     IntRect windowClipRect(IncludeScrollbarsInRect = ExcludeScrollbars) const;
 
     float visibleContentScaleFactor() const { return m_visibleContentScaleFactor; }
     void setVisibleContentScaleFactor(float);
 
     float inputEventsScaleFactor() const;
     IntSize inputEventsOffsetForEmulation() const;
     void setInputEventsTransformForEmulation(const IntSize&, float);
 
     AtomicString mediaType() const;
     void setMediaType(const AtomicString&);
 
-    void restoreScrollbar();
-
     void postLayoutTimerFired(Timer<FrameView>*);
 
     bool wasScrolledByUser() const;
     void setWasScrolledByUser(bool);
 
     void paintContents(GraphicsContext*, const IntRect& damageRect);
     void setPaintBehavior(PaintBehavior);
     PaintBehavior paintBehavior() const;
     bool isPainting() const;
     bool hasEverPainted() const { return m_lastPaintTime; }
     void setNodeToDraw(Node*);
 
     Color documentBackgroundColor() const;
 
     static double currentFrameTimeStamp() { return s_currentFrameTimeStamp; }
 
     void updateLayoutAndStyleForPainting();
     void updateLayoutAndStyleIfNeededRecursive();
 
     void invalidateTreeIfNeededRecursive();
 
     void forceLayout(bool allowSubtree = false);
 
-    void scrollContentsIfNeededRecursive();
-
     // Methods to convert points and rects between the coordinate space of the renderer, and this view.
     IntRect convertFromRenderer(const RenderObject&, const IntRect&) const;
     IntRect convertToRenderer(const RenderObject&, const IntRect&) const;
     IntPoint convertFromRenderer(const RenderObject&, const IntPoint&) const;
     IntPoint convertToRenderer(const RenderObject&, const IntPoint&) const;
 
-    bool isScrollable();
-
-    enum ScrollbarModesCalculationStrategy { RulesFromWebContentOnly, AnyRule };
-    void calculateScrollbarModesForLayoutAndSetViewportRenderer(ScrollbarMode& hMode, ScrollbarMode& vMode, ScrollbarModesCalculationStrategy = AnyRule);
-
-    // FIXME(sky): Maybe remove now that we're not a ScrollView?
-    IntPoint lastKnownMousePosition() const;
     bool shouldSetCursor() const;
 
     void setCursor(const Cursor&);
 
     // FIXME: Remove this method once plugin loading is decoupled from layout.
     void flushAnyPendingPostLayoutTasks();
 
     void setTracksPaintInvalidations(bool);
     bool isTrackingPaintInvalidations() const { return m_isTrackingPaintInvalidations; }
     void resetTrackedPaintInvalidations();
@@ skipping 34 matching lines @@
     // false.
     bool isSubtreeLayout() const { return !!m_layoutSubtreeRoot; }
 
     // Sets the tickmarks for the FrameView, overriding the default behavior
     // which is to display the tickmarks corresponding to find results.
     // If |m_tickmarks| is empty, the default behavior is restored.
     void setTickmarks(const Vector<IntRect>& tickmarks) { m_tickmarks = tickmarks; }
 
     // ScrollableArea interface
     // FIXME(sky): Remove
-    void invalidateScrollbarRect(Scrollbar*, const IntRect&);
     void getTickmarks(Vector<IntRect>&) const;
     IntRect scrollableAreaBoundingBox() const;
     bool scrollAnimatorEnabled() const;
     bool usesCompositedScrolling() const;
     GraphicsLayer* layerForScrolling() const;
     GraphicsLayer* layerForHorizontalScrollbar() const;
     GraphicsLayer* layerForVerticalScrollbar() const;
     GraphicsLayer* layerForScrollCorner() const;
 
     // FIXME(sky): remove
@@ skipping 12 matching lines @@
     IntPoint scrollPosition() const { return IntPoint(); }
     bool scheduleAnimation();
     IntRect visibleContentRect(IncludeScrollbarsInRect = ExcludeScrollbars) const { return IntRect(IntPoint(), expandedIntSize(frameRect().size())); }
     IntSize unscaledVisibleContentSize(IncludeScrollbarsInRect = ExcludeScrollbars) const { return frameRect().size(); }
     // FIXME(sky): Not clear what values these should return. This is just what they happen to be
     // returning today.
     bool paintsEntireContents() const { return false; }
     bool clipsPaintInvalidations() const { return true; }
 
 protected:
-    virtual void scrollContentsIfNeeded();
-    bool scrollContentsFastPath(const IntSize& scrollDelta);
-    void scrollContentsSlowPath(const IntRect& updateRect);
-
     bool isVerticalDocument() const;
     bool isFlippedDocument() const;
 
 private:
     explicit FrameView(LocalFrame*);
 
     void reset();
     void init();
 
     virtual void frameRectsChanged() override;
     virtual bool isFrameView() const override { return true; }
 
     bool contentsInCompositedLayer() const;
 
-    void applyOverflowToViewportAndSetRenderer(RenderObject*, ScrollbarMode& hMode, ScrollbarMode& vMode);
-    void updateOverflowStatus(bool horizontalOverflow, bool verticalOverflow);
-
     void forceLayoutParentViewIfNeeded();
     void performPreLayoutTasks();
     void performLayout(RenderObject* rootForThisLayout, bool inSubtreeLayout);
     void scheduleOrPerformPostLayoutTasks();
     void performPostLayoutTasks();
 
     void invalidateTreeIfNeeded();
 
     void gatherDebugLayoutRects(RenderObject* layoutRoot);
 
     DocumentLifecycle& lifecycle() const;
 
     // FIXME(sky): Remove now that we're not a ScrollView?
     void contentRectangleForPaintInvalidation(const IntRect&);
     void contentsResized();
-    void scrollbarExistenceDidChange();
 
     // Override ScrollView methods to do point conversion via renderers, in order to
     // take transforms into account.
     virtual IntRect convertToContainingView(const IntRect&) const override;
     virtual IntRect convertFromContainingView(const IntRect&) const override;
     virtual IntPoint convertToContainingView(const IntPoint&) const override;
     virtual IntPoint convertFromContainingView(const IntPoint&) const override;
 
     bool wasViewportResized();
     void sendResizeEventIfNeeded();
@@ skipping 13 matching lines @@
     static double s_currentFrameTimeStamp; // used for detecting decoded resource thrash in the cache
     static bool s_inPaintContents;
 
     LayoutSize m_size;
 
     RefPtr<LocalFrame> m_frame;
     HashSet<RefPtr<Widget> > m_children;
 
     bool m_doFullPaintInvalidation;
 
-    // FIXME(sky): Remove
-    bool m_canHaveScrollbars;
-
     bool m_hasPendingLayout;
     RenderObject* m_layoutSubtreeRoot;
 
     bool m_layoutSchedulingEnabled;
     bool m_inPerformLayout;
     bool m_canInvalidatePaintDuringPerformLayout;
     bool m_inSynchronousPostLayout;
     int m_layoutCount;
     unsigned m_nestedLayoutCount;
     Timer<FrameView> m_postLayoutTasksTimer;
@@ skipping 63 matching lines @@
         m_view->setCanInvalidatePaintDuringPerformLayout(m_originalValue);
     }
 private:
     FrameView* m_view;
     bool m_originalValue;
 };
 
 } // namespace blink
 
 #endif // FrameView_h