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Issue 1050243002: Revert Enable new multicol for testing and experimental web platform features. (Closed) Base URL: svn://svn.chromium.org/blink/trunk
Patch Set: Created 5 years, 8 months ago
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1 /* 1 /*
2 * Copyright (C) 2003, 2009, 2012 Apple Inc. All rights reserved. 2 * Copyright (C) 2003, 2009, 2012 Apple Inc. All rights reserved.
3 * Copyright (C) 2013 Intel Corporation. All rights reserved. 3 * Copyright (C) 2013 Intel Corporation. All rights reserved.
4 * 4 *
5 * Portions are Copyright (C) 1998 Netscape Communications Corporation. 5 * Portions are Copyright (C) 1998 Netscape Communications Corporation.
6 * 6 *
7 * Other contributors: 7 * Other contributors:
8 * Robert O'Callahan <roc+@cs.cmu.edu> 8 * Robert O'Callahan <roc+@cs.cmu.edu>
9 * David Baron <dbaron@fas.harvard.edu> 9 * David Baron <dbaron@fas.harvard.edu>
10 * Christian Biesinger <cbiesinger@web.de> 10 * Christian Biesinger <cbiesinger@web.de>
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604 void dirty3DTransformedDescendantStatus(); 604 void dirty3DTransformedDescendantStatus();
605 // Both updates the status, and returns true if descendants of this have 3d. 605 // Both updates the status, and returns true if descendants of this have 3d.
606 bool update3DTransformedDescendantStatus(); 606 bool update3DTransformedDescendantStatus();
607 607
608 void updateOrRemoveFilterClients(); 608 void updateOrRemoveFilterClients();
609 609
610 void updatePaginationRecursive(bool needsPaginationUpdate = false); 610 void updatePaginationRecursive(bool needsPaginationUpdate = false);
611 void updatePagination(); 611 void updatePagination();
612 void clearPaginationRecursive(); 612 void clearPaginationRecursive();
613 613
614 // FIXME: Temporary. Remove when new columns come online.
615 bool useRegionBasedColumns() const;
616
614 DeprecatedPaintLayerType m_layerType; 617 DeprecatedPaintLayerType m_layerType;
615 618
616 // Self-painting layer is an optimization where we avoid the heavy Layer pai nting 619 // Self-painting layer is an optimization where we avoid the heavy Layer pai nting
617 // machinery for a Layer allocated only to handle the overflow clip case. 620 // machinery for a Layer allocated only to handle the overflow clip case.
618 // FIXME(crbug.com/332791): Self-painting layer should be merged into the ov erflow-only concept. 621 // FIXME(crbug.com/332791): Self-painting layer should be merged into the ov erflow-only concept.
619 unsigned m_isSelfPaintingLayer : 1; 622 unsigned m_isSelfPaintingLayer : 1;
620 623
621 // If have no self-painting descendants, we don't have to walk our children during painting. This can lead to 624 // If have no self-painting descendants, we don't have to walk our children during painting. This can lead to
622 // significant savings, especially if the tree has lots of non-self-painting layers grouped together (e.g. table cells). 625 // significant savings, especially if the tree has lots of non-self-painting layers grouped together (e.g. table cells).
623 mutable unsigned m_hasSelfPaintingLayerDescendant : 1; 626 mutable unsigned m_hasSelfPaintingLayerDescendant : 1;
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723 726
724 } // namespace blink 727 } // namespace blink
725 728
726 #ifndef NDEBUG 729 #ifndef NDEBUG
727 // Outside the WebCore namespace for ease of invocation from gdb. 730 // Outside the WebCore namespace for ease of invocation from gdb.
728 void showLayerTree(const blink::DeprecatedPaintLayer*); 731 void showLayerTree(const blink::DeprecatedPaintLayer*);
729 void showLayerTree(const blink::LayoutObject*); 732 void showLayerTree(const blink::LayoutObject*);
730 #endif 733 #endif
731 734
732 #endif // Layer_h 735 #endif // Layer_h
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