[oilpan] Completely move HTMLFormControlElement's hierarchy to the managed heap

Source/WebKit/chromium/src/WebViewImpl.cpp

Index: Source/WebKit/chromium/src/WebViewImpl.cpp
diff --git a/Source/WebKit/chromium/src/WebViewImpl.cpp b/Source/WebKit/chromium/src/WebViewImpl.cpp
index 9065324b93125b9cf5af0ad6e68b473a8a331450..0addbf601c8d797fc3aea80cfb3ec0e94b622e74 100644
--- a/Source/WebKit/chromium/src/WebViewImpl.cpp
+++ b/Source/WebKit/chromium/src/WebViewImpl.cpp
@@ -3485,7 +3485,7 @@ void WebViewImpl::applyAutofillSuggestions(
         return;
     }
 
-    HTMLInputElement* inputElem = focusedNode->toInputElement();
+    Handle<HTMLInputElement> inputElem = focusedNode->toInputElement();
     ASSERT(inputElem);
 
     // The first time the Autofill popup is shown we'll create the client and
@@ -3493,8 +3493,7 @@ void WebViewImpl::applyAutofillSuggestions(
     if (!m_autofillPopupClient)
         m_autofillPopupClient = adoptPtr(new AutofillPopupMenuClient);
 
-    m_autofillPopupClient->initialize(
-        inputElem, names, labels, icons, itemIDs, separatorIndex);
+    m_autofillPopupClient->initialize(inputElem.raw(), names, labels, icons, itemIDs, separatorIndex);
 
     if (!m_autofillPopup) {
         PopupContainerSettings popupSettings = autofillPopupSettings;