Remove dead code after previous CL

Change-Id: Ib5a7acb234270440bea4c35ceda74b952665192a
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2344811
Commit-Queue: Chris Harrelson <chrishtr@chromium.org>
Commit-Queue: Xianzhu Wang <wangxianzhu@chromium.org>
Auto-Submit: Chris Harrelson <chrishtr@chromium.org>
Reviewed-by: Xianzhu Wang <wangxianzhu@chromium.org>
Cr-Commit-Position: refs/heads/master@{#796620}

third_party/blink/renderer/core/paint/paint_layer.cc

@@ -2460,10 +2460,11 @@ PaintLayer* PaintLayer::HitTestChildren(
 void PaintLayer::UpdateFilterReferenceBox() {
   if (!HasFilterThatMovesPixels())
     return;
-  FloatRect reference_box =
-      FloatRect(PhysicalBoundingBoxIncludingStackingChildren(
-          PhysicalOffset(),
-          PaintLayer::kIncludeTransformsAndCompositedChildLayers));
+  PhysicalRect result = LocalBoundingBox();
+  ExpandRectForStackingChildren(
+      *this, result, PaintLayer::kIncludeTransformsAndCompositedChildLayers);
+  FloatRect reference_box = FloatRect(result);
+
   float zoom = GetLayoutObject().StyleRef().EffectiveZoom();
   if (zoom != 1)
     reference_box.Scale(1 / zoom);
@@ -2677,16 +2678,6 @@ void PaintLayer::ExpandRectForStackingChildren(
   }
 }
 
-PhysicalRect PaintLayer::PhysicalBoundingBoxIncludingStackingChildren(
-    const PhysicalOffset& offset_from_root,
-    CalculateBoundsOptions options) const {
-  PhysicalRect result = LocalBoundingBox();
-  ExpandRectForStackingChildren(*this, result, options);
-
-  result.Move(offset_from_root);
-  return result;
-}
-
 PhysicalRect PaintLayer::BoundingBoxForCompositing() const {
   return BoundingBoxForCompositingInternal(
       *this, nullptr, kMaybeIncludeTransformForAncestorLayer);

third_party/blink/renderer/core/paint/paint_layer.h

@@ -462,7 +462,6 @@ class CORE_EXPORT PaintLayer : public DisplayItemClient {
   // paintsWithTransform() is true.
   enum CalculateBoundsOptions {
     kMaybeIncludeTransformForAncestorLayer,
-    kNeverIncludeTransformForAncestorLayer,
     kIncludeTransformsAndCompositedChildLayers,
   };
 
@@ -470,9 +469,6 @@ class CORE_EXPORT PaintLayer : public DisplayItemClient {
   PhysicalRect PhysicalBoundingBox(
       const PhysicalOffset& offset_from_root) const;
   PhysicalRect PhysicalBoundingBox(const PaintLayer* ancestor_layer) const;
-  PhysicalRect PhysicalBoundingBoxIncludingStackingChildren(
-      const PhysicalOffset& offset_from_root,
-      CalculateBoundsOptions = kMaybeIncludeTransformForAncestorLayer) const;
   PhysicalRect FragmentsBoundingBox(const PaintLayer* ancestor_layer) const;
 
   PhysicalRect BoundingBoxForCompositingOverlapTest() const;