External autofill delegates.

chrome/renderer/autofill/autofill_agent.cc

Index: chrome/renderer/autofill/autofill_agent.cc
diff --git a/chrome/renderer/autofill/autofill_agent.cc b/chrome/renderer/autofill/autofill_agent.cc
index cd94919d835ba6db2ff55dca32de19f205469b79..91d3fd116325072445fbdb789fba841fd794aac0 100644
--- a/chrome/renderer/autofill/autofill_agent.cc
+++ b/chrome/renderer/autofill/autofill_agent.cc
@@ -72,6 +72,8 @@ bool AutofillAgent::OnMessageReceived(const IPC::Message& message) {
     IPC_MESSAGE_HANDLER(AutofillMsg_FormDataFilled, OnFormDataFilled)
     IPC_MESSAGE_HANDLER(AutofillMsg_FieldTypePredictionsAvailable,
                         OnFieldTypePredictionsAvailable)
+    IPC_MESSAGE_HANDLER(AutofillMsg_SelectAutofillSuggestionAtIndex,
+                        OnSelectAutofillSuggestionAtIndex)
     IPC_MESSAGE_UNHANDLED(handled = false)
   IPC_END_MESSAGE_MAP()
   return handled;
@@ -350,6 +352,12 @@ void AutofillAgent::OnFieldTypePredictionsAvailable(
   }
 }
 
+void AutofillAgent::OnSelectAutofillSuggestionAtIndex(int listIndex) {
+  NOTIMPLEMENTED();
+  // TODO(jrg): enable once changes land in WebKit
+  // render_view()->webview()->selectAutofillSuggestionAtIndex(listIndex);
+}
+
 void AutofillAgent::ShowSuggestions(const WebInputElement& element,
                                     bool autofill_on_empty_values,
                                     bool requires_caret_at_end,