third_party/WebKit/Source/core/layout/LayoutBlock.cpp - Issue 2220133002: Don't restore in LayoutBlock::layout if clamping is delayed.

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Unified Diff: third_party/WebKit/Source/core/layout/LayoutBlock.cpp

Issue 2220133002: Don't restore in LayoutBlock::layout if clamping is delayed. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master

Patch Set: Created 4 years, 4 months ago

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Index: third_party/WebKit/Source/core/layout/LayoutBlock.cpp

diff --git a/third_party/WebKit/Source/core/layout/LayoutBlock.cpp b/third_party/WebKit/Source/core/layout/LayoutBlock.cpp

index e9b66e54782fc5b0fd8fcaeb40c89dc67d7cc1cc..eac61f42fba96f0d284bec37553066700f8890e8 100644

--- a/third_party/WebKit/Source/core/layout/LayoutBlock.cpp

+++ b/third_party/WebKit/Source/core/layout/LayoutBlock.cpp

@@ -380,7 +380,9 @@ void LayoutBlock::layout()

invalidateBackgroundObscurationStatus();

- if (needsScrollAnchoring)

+ // If clamping is delayed, we will restore in PaintLayerScrollableArea::clampScrollPositionsAfterLayout.

ymalik 2016/08/17 01:25:28 nit: can you add a comment here why we need to spe

skobes 2016/08/17 01:27:48 Done.

+ bool clampingDelayed = PaintLayerScrollableArea::DelayScrollPositionClampScope::clampingIsDelayed();

+ if (needsScrollAnchoring && !clampingDelayed)

getScrollableArea()->scrollAnchor().restore();

m_heightAvailableToChildrenChanged = false;

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