Support datalist UI for <input type=email multiple>

chrome/renderer/autofill/autofill_agent.h

Index: chrome/renderer/autofill/autofill_agent.h
diff --git a/chrome/renderer/autofill/autofill_agent.h b/chrome/renderer/autofill/autofill_agent.h
index f0f51735fe52a7888a1577b3c6ff578c88ec70c4..5c8f83c9502a179e2a311c786f23754ad309fc75 100644
--- a/chrome/renderer/autofill/autofill_agent.h
+++ b/chrome/renderer/autofill/autofill_agent.h
@@ -139,6 +139,8 @@ class AutofillAgent : public content::RenderViewObserver,
   void QueryAutofillSuggestions(const WebKit::WebInputElement& element,
                                 bool display_warning_if_disabled);
 
+  // Combines DataList suggestion entries with the autofill ones and show them
+  // to the user.
   void CombineDataListEntriesAndShow(const WebKit::WebInputElement& element,
                                      const std::vector<string16>& values,
                                      const std::vector<string16>& labels,
@@ -146,6 +148,9 @@ class AutofillAgent : public content::RenderViewObserver,
                                      const std::vector<int>& item_ids,
                                      bool has_autofill_item);
 
+  // Sets the element value to reflect the selected |suggested_value|.
+  void AcceptDataListSuggestion(const string16& suggested_value);
+
   // Queries the AutofillManager for form data for the form containing |node|.
   // |value| is the current text in the field, and |unique_id| is the selected
   // profile's unique ID.  |action| specifies whether to Fill or Preview the