Rename repaint to paintInvalidation for remaining methods.

Source/core/rendering/RenderFlowThread.h

Index: Source/core/rendering/RenderFlowThread.h
diff --git a/Source/core/rendering/RenderFlowThread.h b/Source/core/rendering/RenderFlowThread.h
index f92e1279a860377781b737cf45808b65498f0909..127edc4e01a4d82fe6b4b20f182eedb382fa6ba8 100644
--- a/Source/core/rendering/RenderFlowThread.h
+++ b/Source/core/rendering/RenderFlowThread.h
@@ -80,7 +80,7 @@ public:
     void invalidateRegions();
     bool hasValidRegionInfo() const { return !m_regionsInvalidated && !m_multiColumnSetList.isEmpty(); }
 
-    void repaintRectangleInRegions(const LayoutRect&) const;
+    void paintInvalidationRectangleInRegions(const LayoutRect&) const;
 
     LayoutUnit pageLogicalHeightForOffset(LayoutUnit);
     LayoutUnit pageRemainingLogicalHeightForOffset(LayoutUnit, PageBoundaryRule = IncludePageBoundary);
@@ -115,7 +115,7 @@ protected:
     virtual const char* renderName() const = 0;
 
     void updateRegionsFlowThreadPortionRect();
-    bool shouldRepaint(const LayoutRect&) const;
+    bool shouldIssuePaintInvalidations(const LayoutRect&) const;
 
     void getRegionRangeForBox(const RenderBox*, RenderMultiColumnSet*& startColumnSet, RenderMultiColumnSet*& endColumnSet) const;