Remove redundant calls to HTMLSelectElement::setRecalcListItems().

third_party/WebKit/Source/core/html/HTMLSelectElement.h

Index: third_party/WebKit/Source/core/html/HTMLSelectElement.h
diff --git a/third_party/WebKit/Source/core/html/HTMLSelectElement.h b/third_party/WebKit/Source/core/html/HTMLSelectElement.h
index b40b12eaab56ae333d8adb19a631369f88ab7f7f..8482039825b46731573effd93392eb4ecf260128 100644
--- a/third_party/WebKit/Source/core/html/HTMLSelectElement.h
+++ b/third_party/WebKit/Source/core/html/HTMLSelectElement.h
@@ -38,6 +38,8 @@ namespace blink {
 
 class AutoscrollController;
 class ExceptionState;
+class HTMLHRElement;
+class HTMLOptGroupElement;
 class HTMLOptionElement;
 class HTMLOptionElementOrHTMLOptGroupElement;
 class HTMLElementOrLong;
@@ -123,6 +125,9 @@ public:
     void optionRemoved(const HTMLOptionElement&);
     bool anonymousIndexedSetter(unsigned, HTMLOptionElement*, ExceptionState&);
 
+    void optGroupInsertedOrRemoved(const HTMLOptGroupElement&);
+    void hrInsertedOrRemoved(const HTMLHRElement&);
+
     void updateListOnLayoutObject();
 
     HTMLOptionElement* spatialNavigationFocusedOption();
@@ -245,7 +250,6 @@ private:
     AutoscrollController* autoscrollController() const;
     void scrollToOptionTask();
 
-    void childrenChanged(const ChildrenChange&) override;
     bool areAuthorShadowsAllowed() const override { return false; }
     void finishParsingChildren() override;