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Unified Diff: third_party/WebKit/Source/core/dom/ElementRareData.cpp

Issue 2005593002: Initial ResizeObserver implementation (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Created 4 years, 7 months ago
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Index: third_party/WebKit/Source/core/dom/ElementRareData.cpp
diff --git a/third_party/WebKit/Source/core/dom/ElementRareData.cpp b/third_party/WebKit/Source/core/dom/ElementRareData.cpp
index 4946f9c3ea78ec4acd838a91701ae1279f3c2420..28881b95cd8cad8fa6e56d3d61c1fc5d967704c0 100644
--- a/third_party/WebKit/Source/core/dom/ElementRareData.cpp
+++ b/third_party/WebKit/Source/core/dom/ElementRareData.cpp
@@ -41,7 +41,7 @@ struct SameSizeAsElementRareData : NodeRareData {
LayoutSize sizeForResizing;
IntSize scrollOffset;
void* pointers[10];
- Member<void*> persistentMember[3];
+ Member<void*> persistentMember[4];
};
CSSStyleDeclaration& ElementRareData::ensureInlineCSSStyleDeclaration(Element* ownerElement)
@@ -66,6 +66,13 @@ AttrNodeList& ElementRareData::ensureAttrNodeList()
return *m_attrNodeList;
}
+ResizeObservationSet& ElementRareData::ensureResizeObserverData()
+{
+ if (!m_resizeObserverData)
+ m_resizeObserverData = new ResizeObservationSet();
+ return *m_resizeObserverData;
+}
+
DEFINE_TRACE_AFTER_DISPATCH(ElementRareData)
{
visitor->trace(m_dataset);
@@ -79,6 +86,7 @@ DEFINE_TRACE_AFTER_DISPATCH(ElementRareData)
visitor->trace(m_pseudoElementData);
visitor->trace(m_customElementDefinition);
visitor->trace(m_intersectionObserverData);
+ visitor->trace(m_resizeObserverData);
NodeRareData::traceAfterDispatch(visitor);
}

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