Support for multiple block fragments in getClientRects().

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

 /*
  * Copyright (C) 2011 Adobe Systems Incorporated. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1. Redistributions of source code must retain the above
  *    copyright notice, this list of conditions and the following
  *    disclaimer.
@@ skipping 63 matching lines @@
 
     // Always create a Layer for the LayoutFlowThread so that we
     // can easily avoid drawing the children directly.
     PaintLayerType layerTypeRequired() const final { return NormalPaintLayer; }
 
     virtual void flowThreadDescendantWasInserted(LayoutObject*) { }
     virtual void flowThreadDescendantWillBeRemoved(LayoutObject*) { }
     virtual void flowThreadDescendantStyleWillChange(LayoutBox*, StyleDifference, const ComputedStyle& newStyle) { }
     virtual void flowThreadDescendantStyleDidChange(LayoutBox*, StyleDifference, const ComputedStyle& oldStyle) { }
 
+    void absoluteQuadsForDescendant(const LayoutBox& descendant, Vector<FloatQuad>&);
+
     bool nodeAtPoint(HitTestResult&, const HitTestLocation& locationInContainer, const LayoutPoint& accumulatedOffset, HitTestAction) final;
 
     virtual void addColumnSetToThread(LayoutMultiColumnSet*) = 0;
     virtual void removeColumnSetFromThread(LayoutMultiColumnSet*);
 
     void computeLogicalHeight(LayoutUnit logicalHeight, LayoutUnit logicalTop, LogicalExtentComputedValues&) const override;
 
     bool hasColumnSets() const { return m_multiColumnSetList.size(); }
 
     void validateColumnSets();
@@ skipping 75 matching lines @@
 // These structures are used by PODIntervalTree for debugging.
 #ifndef NDEBUG
 template <> struct ValueToString<LayoutMultiColumnSet*> {
     static String toString(const LayoutMultiColumnSet* value) { return String::format("%p", value); }
 };
 #endif
 
 } // namespace blink
 
 #endif // LayoutFlowThread_h