tor-browser

commit 00e7e9bc54dd032155b4b8cf24dfcc6ca48374ed
parent 2d263c277a312420718d1f524ab7d03d4353936d
Author: Botond Ballo <botond@mozilla.com>
Date:   Thu, 13 Nov 2025 04:59:07 +0000

Bug 1730749 - Remove nsDisplayStickyPosition::mWrStickyAnimationId. r=mstange,layout-reviewers,emilio

This is no longer used now that the creation of the sticky animation id
happens in ClipManager.

Differential Revision: https://phabricator.services.mozilla.com/D254154

Diffstat:
M
layout/painting/nsDisplayList.cpp
 | 
3
+--
M
layout/painting/nsDisplayList.h
 | 
10
+---------

2 files changed, 2 insertions(+), 11 deletions(-)
diff --git a/layout/painting/nsDisplayList.cpp b/layout/painting/nsDisplayList.cpp
@@ -5812,8 +5812,7 @@ nsDisplayStickyPosition::nsDisplayStickyPosition(
                         aContainerASRType),
       mContainerASR(aContainerASR),
       mClippedToDisplayPort(aClippedToDisplayPort),
-      mShouldFlatten(false),
-      mWrStickyAnimationId(0) {
+      mShouldFlatten(false) {
   MOZ_COUNT_CTOR(nsDisplayStickyPosition);
 }
 
diff --git a/layout/painting/nsDisplayList.h b/layout/painting/nsDisplayList.h
@@ -5744,8 +5744,7 @@ class nsDisplayStickyPosition final : public nsDisplayOwnLayer {
       : nsDisplayOwnLayer(aBuilder, aOther),
         mContainerASR(aOther.mContainerASR),
         mClippedToDisplayPort(aOther.mClippedToDisplayPort),
-        mShouldFlatten(false),
-        mWrStickyAnimationId(0) {
+        mShouldFlatten(false) {
     MOZ_COUNT_CTOR(nsDisplayStickyPosition);
   }
 
@@ -5817,13 +5816,6 @@ class nsDisplayStickyPosition final : public nsDisplayOwnLayer {
 
   // True if this item should be flattened away.
   bool mShouldFlatten;
-
-  // Used for APZ to animate the sticky element in the compositor
-  // for purposes such as dynamic toolbar movement and (in the future)
-  // overscroll-related adjustment. Unlike nsDisplayOwnLayer::mWrAnimationId,
-  // this does not create a WebRender ReferenceFrame, which is important
-  // because sticky elements do not establish Gecko reference frames either.
-  uint64_t mWrStickyAnimationId;
 };
 
 class nsDisplayViewTransitionCapture final : public nsDisplayOwnLayer {