Remove unused LayoutObject::AbsoluteElementBoundingBoxRect

Looks like the last caller was removed in
https://codereview.chromium.org/2287433003 .

Change-Id: I2664063bab31fe4983be65cb5c21039a90b73920
Reviewed-on: https://chromium-review.googlesource.com/1104342Reviewed-by: Xianzhu Wang <wangxianzhu@chromium.org>
Commit-Queue: Xianzhu Wang <wangxianzhu@chromium.org>
Cr-Commit-Position: refs/heads/master@{#568019}

third_party/blink/renderer/core/layout/layout_object.cc

@@ -1298,15 +1298,6 @@ bool LayoutObject::GetLowerRightCorner(ExpandScrollMargin expand,
   return true;
 }
 
-IntRect LayoutObject::AbsoluteElementBoundingBoxRect() const {
-  Vector<LayoutRect> rects;
-  const LayoutBoxModelObject& container = EnclosingLayer()->GetLayoutObject();
-  AddElementVisualOverflowRects(
-      rects, LayoutPoint(LocalToAncestorPoint(FloatPoint(), &container)));
-  return container.LocalToAbsoluteQuad(FloatQuad(FloatRect(UnionRect(rects))))
-      .EnclosingBoundingBox();
-}
-
 FloatRect LayoutObject::AbsoluteBoundingBoxRectForRange(
     const EphemeralRange& range) {
   if (range.IsNull() || !range.StartPosition().ComputeContainerNode())

third_party/blink/renderer/core/layout/layout_object.h

@@ -1707,11 +1707,6 @@ class CORE_EXPORT LayoutObject : public ImageResourceObserver,
     AddOutlineRects(rects, additional_offset, kIncludeBlockVisualOverflow);
   }
 
-  // Returns the rect enclosing united visual overflow of the DOM subtree under
-  // this object. It includes continuations which may be not in the layout
-  // subtree of this object.
-  virtual IntRect AbsoluteElementBoundingBoxRect() const;
-
   // Compute a list of hit-test rectangles per layer rooted at this
   // layoutObject with at most the given touch action.
   virtual void ComputeLayerHitTestRects(LayerHitTestRects&, TouchAction) const;

third_party/blink/renderer/core/layout/svg/layout_svg_model_object.cc

@@ -148,12 +148,4 @@ bool LayoutSVGModelObject::NodeAtPoint(HitTestResult&,
   return false;
 }
 
-// The SVG addOutlineRects() method adds rects in local coordinates so the
-// default absoluteElementBoundingBoxRect() returns incorrect values for SVG
-// objects. Overriding this method provides access to the absolute bounds.
-IntRect LayoutSVGModelObject::AbsoluteElementBoundingBoxRect() const {
-  return LocalToAbsoluteQuad(FloatQuad(VisualRectInLocalSVGCoordinates()))
-      .EnclosingBoundingBox();
-}
-
 }  // namespace blink

third_party/blink/renderer/core/layout/svg/layout_svg_model_object.h

@@ -100,7 +100,6 @@ class LayoutSVGModelObject : public LayoutObject {
                    const HitTestLocation& location_in_container,
                    const LayoutPoint& accumulated_offset,
                    HitTestAction) final;
-  IntRect AbsoluteElementBoundingBoxRect() const final;
 
  protected:
   FloatRect local_visual_rect_;