Renaming: distinguish ancestor, container and paintInvalidationContainer

third_party/WebKit/Source/core/layout/LayoutBlockFlow.cpp

 /*
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 2642 matching lines @@
 }
 
 GapRects LayoutBlockFlow::selectionGapRectsForPaintInvalidation(const LayoutBoxModelObject* paintInvalidationContainer) const
 {
     ASSERT(!needsLayout());
 
     if (!shouldPaintSelectionGaps())
         return GapRects();
 
     TransformState transformState(TransformState::ApplyTransformDirection, FloatPoint());
-    mapLocalToContainer(paintInvalidationContainer, transformState, ApplyContainerFlip | UseTransforms);
+    mapLocalToAncestor(paintInvalidationContainer, transformState, ApplyContainerFlip | UseTransforms);
     LayoutPoint offsetFromPaintInvalidationContainer = roundedLayoutPoint(transformState.mappedPoint());
 
     if (hasOverflowClip())
         offsetFromPaintInvalidationContainer -= scrolledContentOffset();
 
     LayoutUnit lastTop = 0;
     LayoutUnit lastLeft = logicalLeftSelectionOffset(this, lastTop);
     LayoutUnit lastRight = logicalRightSelectionOffset(this, lastTop);
 
     return selectionGaps(this, offsetFromPaintInvalidationContainer, LayoutSize(), lastTop, lastLeft, lastRight);
@@ skipping 450 matching lines @@
     FrameView* frameView = document().view();
     LayoutUnit top = (style()->position() == FixedPosition) ? 0 : frameView->scrollOffset().height();
     int visibleHeight = frameView->visibleContentRect(IncludeScrollbars).height();
     if (size().height() < visibleHeight)
         top += (visibleHeight - size().height()) / 2;
     setY(top);
     dialog->setCentered(top);
 }
 
 } // namespace blink