third_party/WebKit/Source/core/page/scrolling/ScrollingCoordinator.cpp - Issue 1308273010: Adapt and reland old position sticky implementation

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Unified Diff: third_party/WebKit/Source/core/page/scrolling/ScrollingCoordinator.cpp

Issue 1308273010: Adapt and reland old position sticky implementation (Closed) Base URL: https://chromium.googlesource.com/chromium/blink.git@master

Patch Set: Merge with master (removing horizontal-bt test) Created 5 years ago

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« third_party/WebKit/Source/core/page/scrolling/ScrollingConstraints.cpp ('K') | « third_party/WebKit/Source/core/page/scrolling/ScrollingConstraints.cpp ('k') | third_party/WebKit/Source/core/paint/PaintLayer.h » ('j') | third_party/WebKit/Source/core/paint/PaintLayer.cpp » ('J')
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Index: third_party/WebKit/Source/core/page/scrolling/ScrollingCoordinator.cpp

diff --git a/third_party/WebKit/Source/core/page/scrolling/ScrollingCoordinator.cpp b/third_party/WebKit/Source/core/page/scrolling/ScrollingCoordinator.cpp

index 21d917202486441d4f508ecff067c2ceac658fa5..471d781c43c851e830eb75b51cfa5da857b9433a 100644

--- a/third_party/WebKit/Source/core/page/scrolling/ScrollingCoordinator.cpp

+++ b/third_party/WebKit/Source/core/page/scrolling/ScrollingCoordinator.cpp

@@ -984,7 +984,8 @@ bool ScrollingCoordinator::hasVisibleSlowRepaintViewportConstrainedObjects(Frame

for (const LayoutObject* layoutObject : *viewportConstrainedObjects) {

ASSERT(layoutObject->isBoxModelObject() && layoutObject->hasLayer());

- ASSERT(layoutObject->style()->position() == FixedPosition);

+ ASSERT(layoutObject->style()->position() == FixedPosition

+ || layoutObject->style()->position() == StickyPosition);

PaintLayer* layer = toLayoutBoxModelObject(layoutObject)->layer();

// Whether the Layer scrolls with the viewport is a tree-depenent