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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 * | 3 * |
| 4 * Portions are Copyright (C) 1998 Netscape Communications Corporation. | 4 * Portions are Copyright (C) 1998 Netscape Communications Corporation. |
| 5 * | 5 * |
| 6 * Other contributors: | 6 * Other contributors: |
| 7 * Robert O'Callahan <roc+@cs.cmu.edu> | 7 * Robert O'Callahan <roc+@cs.cmu.edu> |
| 8 * David Baron <dbaron@fas.harvard.edu> | 8 * David Baron <dbaron@fas.harvard.edu> |
| 9 * Christian Biesinger <cbiesinger@web.de> | 9 * Christian Biesinger <cbiesinger@web.de> |
| 10 * Randall Jesup <rjesup@wgate.com> | 10 * Randall Jesup <rjesup@wgate.com> |
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| 513 void updateResizerStyle(); | 513 void updateResizerStyle(); |
| 514 | 514 |
| 515 void updateScrollableAreaSet(bool hasOverflow); | 515 void updateScrollableAreaSet(bool hasOverflow); |
| 516 | 516 |
| 517 void updateCompositingLayersAfterScroll(); | 517 void updateCompositingLayersAfterScroll(); |
| 518 | 518 |
| 519 PaintLayerScrollableAreaRareData* rareData() { return m_rareData.get(); } | 519 PaintLayerScrollableAreaRareData* rareData() { return m_rareData.get(); } |
| 520 | 520 |
| 521 PaintLayerScrollableAreaRareData& ensureRareData() { | 521 PaintLayerScrollableAreaRareData& ensureRareData() { |
| 522 if (!m_rareData) | 522 if (!m_rareData) |
| 523 m_rareData = wrapUnique(new PaintLayerScrollableAreaRareData()); | 523 m_rareData = makeUnique<PaintLayerScrollableAreaRareData>(); |
| 524 return *m_rareData.get(); | 524 return *m_rareData.get(); |
| 525 } | 525 } |
| 526 | 526 |
| 527 PaintLayer& m_layer; | 527 PaintLayer& m_layer; |
| 528 | 528 |
| 529 PaintLayer* m_nextTopmostScrollChild; | 529 PaintLayer* m_nextTopmostScrollChild; |
| 530 PaintLayer* m_topmostScrollChild; | 530 PaintLayer* m_topmostScrollChild; |
| 531 | 531 |
| 532 // Keeps track of whether the layer is currently resizing, so events can cause | 532 // Keeps track of whether the layer is currently resizing, so events can cause |
| 533 // resizing to start and stop. | 533 // resizing to start and stop. |
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| 582 | 582 |
| 583 DEFINE_TYPE_CASTS(PaintLayerScrollableArea, | 583 DEFINE_TYPE_CASTS(PaintLayerScrollableArea, |
| 584 ScrollableArea, | 584 ScrollableArea, |
| 585 scrollableArea, | 585 scrollableArea, |
| 586 scrollableArea->isPaintLayerScrollableArea(), | 586 scrollableArea->isPaintLayerScrollableArea(), |
| 587 scrollableArea.isPaintLayerScrollableArea()); | 587 scrollableArea.isPaintLayerScrollableArea()); |
| 588 | 588 |
| 589 } // namespace blink | 589 } // namespace blink |
| 590 | 590 |
| 591 #endif // LayerScrollableArea_h | 591 #endif // LayerScrollableArea_h |
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