From c5790fed3fbc91cbbf23f99dc4df4efed844d248 Mon Sep 17 00:00:00 2001
From: Ting-Yu Lin <tlin@mozilla.com>
Date: Mon, 4 Mar 2024 14:30:22 +0000
Subject: [PATCH] Bug 1879770 Part 1 - Mark
 IntrinsicScrollbarGutterSizeAtInlineEdges() const. r=emilio

Differential Revision: https://phabricator.services.mozilla.com/D201892
---
 layout/generic/nsGfxScrollFrame.cpp | 2 +-
 layout/generic/nsGfxScrollFrame.h   | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/layout/generic/nsGfxScrollFrame.cpp b/layout/generic/nsGfxScrollFrame.cpp
index 72c92a4c04ea..22bf02c47c0e 100644
--- a/layout/generic/nsGfxScrollFrame.cpp
+++ b/layout/generic/nsGfxScrollFrame.cpp
@@ -1172,7 +1172,7 @@ void nsHTMLScrollFrame::PlaceScrollArea(ScrollReflowInput& aState,
       scrolledArea, ReflowChildFlags::Default);
 }
 
-nscoord nsHTMLScrollFrame::IntrinsicScrollbarGutterSizeAtInlineEdges() {
+nscoord nsHTMLScrollFrame::IntrinsicScrollbarGutterSizeAtInlineEdges() const {
   const bool isVerticalWM = GetWritingMode().IsVertical();
   if (PresContext()->UseOverlayScrollbars()) {
     return 0;
diff --git a/layout/generic/nsGfxScrollFrame.h b/layout/generic/nsGfxScrollFrame.h
index e05a2a077bdd..63f375dfce9e 100644
--- a/layout/generic/nsGfxScrollFrame.h
+++ b/layout/generic/nsGfxScrollFrame.h
@@ -110,7 +110,7 @@ class nsHTMLScrollFrame : public nsContainerFrame,
   // Return the sum of inline-size of the scrollbar gutters (if any) at the
   // inline-start and inline-end edges of the scroll frame (for a potential
   // scrollbar that scrolls in the block axis).
-  nscoord IntrinsicScrollbarGutterSizeAtInlineEdges();
+  nscoord IntrinsicScrollbarGutterSizeAtInlineEdges() const;
 
   // Compute stable scrollbar-gutter from scrollbar-width and scrollbar-gutter
   // properties.