Fix flaky crash in WebPagePopupImpl::closePopup.

Source/core/html/HTMLInputElement.cpp

Index: Source/core/html/HTMLInputElement.cpp
diff --git a/Source/core/html/HTMLInputElement.cpp b/Source/core/html/HTMLInputElement.cpp
index b0753ba622858331f49d93ce2e80daf0cd0f49af..9ba9afb5bea38fe6ad64b07efa9ce39824ce6faa 100644
--- a/Source/core/html/HTMLInputElement.cpp
+++ b/Source/core/html/HTMLInputElement.cpp
@@ -1523,6 +1523,7 @@ Node::InsertionNotificationRequest HTMLInputElement::insertedInto(ContainerNode*
 
 void HTMLInputElement::removedFrom(ContainerNode* insertionPoint)
 {
+    m_inputTypeView->closePopupView();
     if (insertionPoint->inDocument() && !form())
         removeFromRadioButtonGroup();
     HTMLTextFormControlElement::removedFrom(insertionPoint);