Move Frame to the Oilpan heap.

Source/web/ChromeClientImpl.cpp

Index: Source/web/ChromeClientImpl.cpp
diff --git a/Source/web/ChromeClientImpl.cpp b/Source/web/ChromeClientImpl.cpp
index 3a2b428185978edf3a9687f8a4cd37d81e6c403b..87b30bb15e09b6cd22bb897ac5202474390aeaf6 100644
--- a/Source/web/ChromeClientImpl.cpp
+++ b/Source/web/ChromeClientImpl.cpp
@@ -707,12 +707,12 @@ bool ChromeClientImpl::hasOpenedPopup() const
     return m_webView->hasOpenedPopup();
 }
 
-PassRefPtr<PopupMenu> ChromeClientImpl::createPopupMenu(LocalFrame& frame, PopupMenuClient* client) const
+PassRefPtrWillBeRawPtr<PopupMenu> ChromeClientImpl::createPopupMenu(LocalFrame& frame, PopupMenuClient* client) const
 {
     if (WebViewImpl::useExternalPopupMenus())
-        return adoptRef(new ExternalPopupMenu(frame, client, *m_webView));
+        return adoptRefWillBeNoop(new ExternalPopupMenu(frame, client, *m_webView));
 
-    return adoptRef(new PopupMenuChromium(frame, client));
+    return adoptRefWillBeNoop(new PopupMenuChromium(frame, client));
 }
 
 PagePopup* ChromeClientImpl::openPagePopup(PagePopupClient* client, const IntRect& originBoundsInRootView)