Pass a struct to ContainerNode::childrenChanged() instead of separate arguments

Source/core/html/HTMLTextAreaElement.cpp

Index: Source/core/html/HTMLTextAreaElement.cpp
diff --git a/Source/core/html/HTMLTextAreaElement.cpp b/Source/core/html/HTMLTextAreaElement.cpp
index 2184499664dc154657e335377e768b6dc78ba4f4..f0ba03afd35d1ce1f43aa75fcfee22ee89c688bd 100644
--- a/Source/core/html/HTMLTextAreaElement.cpp
+++ b/Source/core/html/HTMLTextAreaElement.cpp
@@ -116,9 +116,9 @@ void HTMLTextAreaElement::restoreFormControlState(const FormControlState& state)
     setValue(state[0]);
 }
 
-void HTMLTextAreaElement::childrenChanged(bool changedByParser, Node* beforeChange, Node* afterChange, int childCountDelta)
+void HTMLTextAreaElement::childrenChanged(const ChildrenChange& change)
 {
-    HTMLElement::childrenChanged(changedByParser, beforeChange, afterChange, childCountDelta);
+    HTMLElement::childrenChanged(change);
     setLastChangeWasNotUserEdit();
     if (m_isDirty)
         setInnerEditorValue(value());