Rename repaint to paintInvalidation for remaining methods.

Source/core/rendering/RenderRegion.cpp

Index: Source/core/rendering/RenderRegion.cpp
diff --git a/Source/core/rendering/RenderRegion.cpp b/Source/core/rendering/RenderRegion.cpp
index 194b9bd924a3b07bcd967e1a77893c77f6a4c50f..a65dfc61a419932b8fdcd0e9e4689aff761a877b 100644
--- a/Source/core/rendering/RenderRegion.cpp
+++ b/Source/core/rendering/RenderRegion.cpp
@@ -119,17 +119,17 @@ void RenderRegion::layoutBlock(bool relayoutChildren)
     // RenderFlowThread itself).
 }
 
-void RenderRegion::repaintFlowThreadContentRectangle(const LayoutRect& repaintRect, const LayoutRect& flowThreadPortionRect, const LayoutRect& flowThreadPortionOverflowRect, const LayoutPoint& regionLocation) const
+void RenderRegion::paintInvalidaitonOfFlowThreadContentRectangle(const LayoutRect& paintInvalidationRect, const LayoutRect& flowThreadPortionRect, const LayoutRect& flowThreadPortionOverflowRect, const LayoutPoint& regionLocation) const
 {
     ASSERT(isValid());
 
-    // We only have to issue a repaint in this region if the region rect intersects the repaint rect.
+    // We only have to issue a paint invalidation in this region if the region rect intersects the paint invalidation rect.
     LayoutRect flippedFlowThreadPortionRect(flowThreadPortionRect);
     LayoutRect flippedFlowThreadPortionOverflowRect(flowThreadPortionOverflowRect);
     flowThread()->flipForWritingMode(flippedFlowThreadPortionRect); // Put the region rects into physical coordinates.
     flowThread()->flipForWritingMode(flippedFlowThreadPortionOverflowRect);
 
-    LayoutRect clippedRect(repaintRect);
+    LayoutRect clippedRect(paintInvalidationRect);
     clippedRect.intersect(flippedFlowThreadPortionOverflowRect);
     if (clippedRect.isEmpty())
         return;
@@ -137,10 +137,9 @@ void RenderRegion::repaintFlowThreadContentRectangle(const LayoutRect& repaintRe
     // Put the region rect into the region's physical coordinate space.
     clippedRect.setLocation(regionLocation + (clippedRect.location() - flippedFlowThreadPortionRect.location()));
 
-    // Now switch to the region's writing mode coordinate space and let it repaint itself.
+    // Now switch to the region's writing mode coordinate space and let it issue paint invalidations itself.
     flipForWritingMode(clippedRect);
 
-    // Issue the repaint.
     invalidatePaintRectangle(clippedRect);
 }