Remove the old multicol implementation.

Source/core/paint/DeprecatedPaintLayer.h

 /*
  * Copyright (C) 2003, 2009, 2012 Apple Inc. All rights reserved.
  * Copyright (C) 2013 Intel Corporation. All rights reserved.
  *
  * Portions are Copyright (C) 1998 Netscape Communications Corporation.
  *
  * Other contributors:
  *   Robert O'Callahan <roc+@cs.cmu.edu>
  *   David Baron <dbaron@fas.harvard.edu>
  *   Christian Biesinger <cbiesinger@web.de>
@@ skipping 139 matching lines @@
 
     DeprecatedPaintLayerCompositor* compositor() const;
 
     // Notification from the layoutObject that its content changed (e.g. current frame of image changed).
     // Allows updates of layer content without invalidating paint.
     void contentChanged(ContentChangeType);
 
     void updateLayerPositionsAfterLayout();
     void updateLayerPositionsAfterOverflowScroll(const DoubleSize& scrollDelta);
 
-    bool isPaginated() const { return m_isPaginated; }
     DeprecatedPaintLayer* enclosingPaginationLayer() const { return m_enclosingPaginationLayer; }
 
     void updateTransformationMatrix();
     DeprecatedPaintLayer* renderingContextRoot();
 
     const LayoutSize& offsetForInFlowPosition() const { return m_offsetForInFlowPosition; }
 
     void blockSelectionGapsBoundsChanged();
     void addBlockSelectionGapsBounds(const LayoutRect&);
     void clearBlockSelectionGapsBounds();
@@ skipping 39 matching lines @@
     // GraphicsLayer backing, but is nevertheless the root for a call to the Layer::paint*() methods.
     DeprecatedPaintLayer* enclosingLayerForPaintInvalidation() const;
 
     DeprecatedPaintLayer* enclosingLayerForPaintInvalidationCrossingFrameBoundaries() const;
 
     bool hasAncestorWithFilterOutsets() const;
 
     bool canUseConvertToLayerCoords() const
     {
         // These LayoutObjects have an impact on their layers without the layoutObjects knowing about it.
-        return !layoutObject()->hasColumns() && !layoutObject()->hasTransformRelatedProperty() && !layoutObject()->isSVGRoot();
+        return !layoutObject()->hasTransformRelatedProperty() && !layoutObject()->isSVGRoot();
     }
 
     void convertToLayerCoords(const DeprecatedPaintLayer* ancestorLayer, LayoutPoint&) const;
     void convertToLayerCoords(const DeprecatedPaintLayer* ancestorLayer, LayoutRect&) const;
 
     // Does the same as convertToLayerCoords() when not in multicol. For multicol, however,
     // convertToLayerCoords() calculates the offset in flow-thread coordinates (what the layout
     // engine uses internally), while this method calculates the visual coordinates; i.e. it figures
     // out which column the layer starts in and adds in the offset. See
     // http://www.chromium.org/developers/design-documents/multi-column-layout for more info.
@@ skipping 324 matching lines @@
     DeprecatedPaintLayer* hitTestLayer(DeprecatedPaintLayer* rootLayer, DeprecatedPaintLayer* containerLayer, HitTestResult&,
         const LayoutRect& hitTestRect, const HitTestLocation&, bool appliedTransform,
         const HitTestingTransformState* = 0, double* zOffset = 0);
     DeprecatedPaintLayer* hitTestLayerByApplyingTransform(DeprecatedPaintLayer* rootLayer, DeprecatedPaintLayer* containerLayer, HitTestResult&,
         const LayoutRect& hitTestRect, const HitTestLocation&, const HitTestingTransformState* = 0, double* zOffset = 0,
         const LayoutPoint& translationOffset = LayoutPoint());
     DeprecatedPaintLayer* hitTestChildren(ChildrenIteration, DeprecatedPaintLayer* rootLayer, HitTestResult&,
         const LayoutRect& hitTestRect, const HitTestLocation&,
         const HitTestingTransformState*, double* zOffsetForDescendants, double* zOffset,
         const HitTestingTransformState* unflattenedTransformState, bool depthSortDescendants);
-    DeprecatedPaintLayer* hitTestPaginatedChildLayer(DeprecatedPaintLayer* childLayer, DeprecatedPaintLayer* rootLayer, HitTestResult&,
-        const LayoutRect& hitTestRect, const HitTestLocation&,
-        const HitTestingTransformState*, double* zOffset);
-    DeprecatedPaintLayer* hitTestChildLayerColumns(DeprecatedPaintLayer* childLayer, DeprecatedPaintLayer* rootLayer, HitTestResult&,
-        const LayoutRect& hitTestRect, const HitTestLocation&,
-        const HitTestingTransformState*, double* zOffset,
-        const Vector<DeprecatedPaintLayer*>& columnLayers, size_t columnIndex);
 
     PassRefPtr<HitTestingTransformState> createLocalTransformState(DeprecatedPaintLayer* rootLayer, DeprecatedPaintLayer* containerLayer,
         const LayoutRect& hitTestRect, const HitTestLocation&,
         const HitTestingTransformState* containerTransformState,
         const LayoutPoint& translationOffset = LayoutPoint()) const;
 
     bool hitTestContents(HitTestResult&, const LayoutRect& layerBounds, const HitTestLocation&, HitTestFilter) const;
     bool hitTestContentsForFragments(const DeprecatedPaintLayerFragments&, HitTestResult&, const HitTestLocation&, HitTestFilter, bool& insideClipRect) const;
     DeprecatedPaintLayer* hitTestTransformedLayerInFragments(DeprecatedPaintLayer* rootLayer, DeprecatedPaintLayer* containerLayer, HitTestResult&,
         const LayoutRect& hitTestRect, const HitTestLocation&, const HitTestingTransformState* = 0, double* zOffset = 0);
@@ skipping 42 matching lines @@
 
     const unsigned m_isRootLayer : 1;
 
     unsigned m_visibleContentStatusDirty : 1;
     unsigned m_hasVisibleContent : 1;
     unsigned m_visibleDescendantStatusDirty : 1;
     unsigned m_hasVisibleDescendant : 1;
 
     unsigned m_hasVisibleNonLayerContent : 1;
 
-    unsigned m_isPaginated : 1; // If we think this layer is split by a multi-column ancestor, then this bit will be set.
-
 #if ENABLE(ASSERT)
     unsigned m_needsPositionUpdate : 1;
 #endif
 
     unsigned m_3DTransformedDescendantStatusDirty : 1;
     // Set on a stacking context layer that has 3D descendants anywhere
     // in a preserves3D hierarchy. Hint to do 3D-aware hit testing.
     unsigned m_has3DTransformedDescendant : 1;
 
     unsigned m_containsDirtyOverlayScrollbars : 1;
@@ skipping 76 matching lines @@
 
 } // namespace blink
 
 #ifndef NDEBUG
 // Outside the WebCore namespace for ease of invocation from gdb.
 void showLayerTree(const blink::DeprecatedPaintLayer*);
 void showLayerTree(const blink::LayoutObject*);
 #endif
 
 #endif // Layer_h