Move AX local bounding box calculation into LayoutObject

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

 /*
  * (C) 1999 Lars Knoll (knoll@kde.org)
  * (C) 2000 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2007 Apple Inc. All rights reserved.
  * Copyright (C) 2006 Andrew Wellington (proton@wiretapped.net)
  * Copyright (C) 2006 Graham Dennis (graham.dennis@gmail.com)
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
@@ skipping 457 matching lines @@
             }
             quads.append(localToAbsoluteQuad(FloatRect(r)));
         } else {
             FloatRect rect = localQuadForTextBox(box, start, end, useSelectionHeight);
             if (!rect.isZero())
                 quads.append(localToAbsoluteQuad(rect));
         }
     }
 }
 
+FloatRect LayoutText::localBoundingBoxRectForAccessibility() const
+{
+    FloatRect result;
+    Vector<FloatQuad> quads;
+    this->quads(quads, LayoutText::ClipToEllipsis, LayoutText::LocalQuads);
+    for (const FloatQuad& quad : quads)
+        result.unite(quad.boundingBox());
+    return result;
+}
+
 enum ShouldAffinityBeDownstream { AlwaysDownstream, AlwaysUpstream, UpstreamIfPositionIsNotAtStart };
 
 static bool lineDirectionPointFitsInBox(int pointLineDirection, InlineTextBox* box, ShouldAffinityBeDownstream& shouldAffinityBeDownstream)
 {
     shouldAffinityBeDownstream = AlwaysDownstream;
 
     // the x coordinate is equal to the left edge of this box
     // the affinity must be downstream so the position doesn't jump back to the previous line
     // except when box is the first box in the line
     if (pointLineDirection <= box->logicalLeft()) {
@@ skipping 1269 matching lines @@
     for (InlineTextBox* box = firstTextBox(); box; box = box->nextTextBox()) {
         paintInvalidator.invalidateDisplayItemClient(*box, invalidationReason);
         if (box->truncation() != cNoTruncation) {
             if (EllipsisBox* ellipsisBox = box->root().ellipsisBox())
                 paintInvalidator.invalidateDisplayItemClient(*ellipsisBox, invalidationReason);
         }
     }
 }
 
 } // namespace blink