LayoutObject::paintingLayer() to correctly handle column-span:all

third_party/WebKit/Source/core/layout/PaintInvalidationState.h

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef PaintInvalidationState_h
 #define PaintInvalidationState_h
 
 #include "core/CoreExport.h"
 #include "platform/geometry/LayoutRect.h"
 #include "platform/transforms/AffineTransform.h"
@@ skipping 57 matching lines @@
     // Returns the rect bounds needed to invalidate paint of this object,
     // in the space of paint invalidation backing.
     LayoutRect computePaintInvalidationRectInBacking() const;
 
     void mapLocalRectToPaintInvalidationBacking(LayoutRect&) const;
 
     // Records |obj| as needing paint invalidation on the next frame. See the definition of PaintInvalidationDelayedFull for more details.
     void pushDelayedPaintInvalidationTarget(LayoutObject& obj) const { m_pendingDelayedPaintInvalidations.append(&obj); }
     Vector<LayoutObject*>& pendingDelayedPaintInvalidationTargets() const { return m_pendingDelayedPaintInvalidations; }
 
-    PaintLayer& enclosingSelfPaintingLayer(const LayoutObject&) const;
+    PaintLayer& paintingLayer() const;
 
 #if ENABLE(ASSERT)
     const LayoutObject& currentObject() const { return m_currentObject; }
 #endif
 
 private:
     friend class VisualRectMappingTest;
 
     void mapLocalRectToPaintInvalidationContainer(LayoutRect&) const;
 
@@ skipping 41 matching lines @@
 
     const LayoutObject& m_containerForAbsolutePosition;
 
     // Transform from the initial viewport coordinate system of an outermost
     // SVG root to the userspace _before_ the relevant element. Combining this
     // with |m_paintOffset| yields the "final" offset.
     AffineTransform m_svgTransform;
 
     Vector<LayoutObject*>& m_pendingDelayedPaintInvalidations;
 
-    PaintLayer& m_enclosingSelfPaintingLayer;
+    PaintLayer& m_paintingLayer;
 
 #if ENABLE(ASSERT)
     bool m_didUpdateForChildren;
 #endif
 
 #if ENABLE(ASSERT) && !defined(NDEBUG)
 // #define CHECK_FAST_PATH_SLOW_PATH_EQUALITY
 #endif
 
 #ifdef CHECK_FAST_PATH_SLOW_PATH_EQUALITY
     void assertFastPathAndSlowPathRectsEqual(const LayoutRect& fastPathRect, const LayoutRect& slowPathRect) const;
     bool m_canCheckFastPathSlowPathEquality;
 #endif
 };
 
 } // namespace blink
 
 #endif // PaintInvalidationState_h