Remove unused arguments in HTMLSelectElement class.

third_party/WebKit/Source/web/ExternalPopupMenu.cpp

Index: third_party/WebKit/Source/web/ExternalPopupMenu.cpp
diff --git a/third_party/WebKit/Source/web/ExternalPopupMenu.cpp b/third_party/WebKit/Source/web/ExternalPopupMenu.cpp
index 59c779003db304c5a1b023e887b3e101ffc39897..c92afdccbeab8105d90c30b27f007eb6ae2a7d7b 100644
--- a/third_party/WebKit/Source/web/ExternalPopupMenu.cpp
+++ b/third_party/WebKit/Source/web/ExternalPopupMenu.cpp
@@ -213,7 +213,7 @@ void ExternalPopupMenu::didAcceptIndices(const WebVector<int>& indices)
         ownerElement->valueChanged(static_cast<unsigned>(-1));
     } else {
         for (size_t i = 0; i < indices.size(); ++i)
-            ownerElement->listBoxSelectItem(toPopupMenuItemIndex(indices[i], *ownerElement), (i > 0), false, (i == indices.size() - 1));
+            ownerElement->listBoxSelectItem(toPopupMenuItemIndex(indices[i], *ownerElement), (i > 0), (i == indices.size() - 1));
     }
 
     m_webExternalPopupMenu = 0;