Make the selection loop with arrow keys in the autocomplete popup

third_party/WebKit/WebCore/platform/chromium/PopupMenuChromium.h

Index: third_party/WebKit/WebCore/platform/chromium/PopupMenuChromium.h
===================================================================
--- third_party/WebKit/WebCore/platform/chromium/PopupMenuChromium.h	(revision 8275)
+++ third_party/WebKit/WebCore/platform/chromium/PopupMenuChromium.h	(working copy)
@@ -95,6 +95,12 @@
         // regardless of this setting.
         void setAcceptOnAbandon(bool value);
 
+        // Sets whether the we should move the selection to the first/last item
+        // when the user presses down/up arrow keys and the last/first item is
+        // selected.
+        // Default is false, causing the first/last item to stay selected.
+        void setLoopSelectionNavigation(bool value);
+
         PopupListBox* listBox() const { return m_listBox.get(); }
 
         // Refresh the popup values from the PopupMenuClient.