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Bug 1729604. Remove unused ScrollFrameHelper::mAddClipRectToLayer. r=hiro

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Depends on D124870

Differential Revision: https://phabricator.services.mozilla.com/D124871
This commit is contained in:
Timothy Nikkel 2021-09-08 04:20:56 +00:00
parent f06fa58321
commit 138d77c546
2 changed files with 0 additions and 14 deletions
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10
layout/generic/nsGfxScrollFrame.cpp
View File

@ -2227,7 +2227,6 @@ ScrollFrameHelper::ScrollFrameHelper(nsContainerFrame* aOuter, bool aIsRoot)
mHasBeenScrolledRecently(false),
mWillBuildScrollableLayer(false),
mIsParentToActiveScrollFrames(false),
mAddClipRectToLayer(false),
mHasBeenScrolled(false),
mIgnoreMomentumScroll(false),
mTransformingByAPZ(false),
@ -3699,10 +3698,6 @@ void ScrollFrameHelper::BuildDisplayList(nsDisplayListBuilder* aBuilder,
MOZ_ASSERT(sf);
if (ignoringThisScrollFrame) {
// Root scrollframes have FrameMetrics and clipping on their container
// layers, so don't apply clipping again.
mAddClipRectToLayer = false;
// If we are a root scroll frame that has a display port we want to add
// scrollbars, they will be children of the scrollable layer, but they get
// adjusted by the APZC automatically.
@ -3740,11 +3735,6 @@ void ScrollFrameHelper::BuildDisplayList(nsDisplayListBuilder* aBuilder,
return;
}
// Root scrollframes have FrameMetrics and clipping on their container
// layers, so don't apply clipping again.
mAddClipRectToLayer =
!(mIsRoot && mOuter->PresShell()->UsesMobileViewportSizing());
// Whether we might want to build a scrollable layer for this scroll frame
// at some point in the future. This controls whether we add the information
// to the layer tree (a scroll info layer if necessary, and add the right

4
layout/generic/nsGfxScrollFrame.h
View File

@ -683,10 +683,6 @@ class ScrollFrameHelper : public nsIReflowCallback {
// display ports removed or made minimal, then we expire our display port.
bool mIsParentToActiveScrollFrames : 1;
// If true, add clipping in ScrollFrameHelper::ClipLayerToDisplayPort.
// XXX this flag needs some auditing and better documentation, bug 1646686.
bool mAddClipRectToLayer : 1;
// True if this frame has been scrolled at least once
bool mHasBeenScrolled : 1;