[autofill] Adding new API to request an interactive autocomplete UI flow.

chrome/common/autofill_messages.h

Index: chrome/common/autofill_messages.h
diff --git a/chrome/common/autofill_messages.h b/chrome/common/autofill_messages.h
index 9ed25f827127d51c34cc9467c0679c4b8f8e307a..e40eb23ef09aa1bdb81fc219e670646c59c8539b 100644
--- a/chrome/common/autofill_messages.h
+++ b/chrome/common/autofill_messages.h
@@ -131,6 +131,10 @@ IPC_MESSAGE_ROUTED1(AutofillMsg_AcceptPasswordAutofillSuggestion,
 IPC_MESSAGE_ROUTED1(AutofillMsg_FormNotBlacklisted,
                     content::PasswordForm /* form checked */)
 
+// Sent when interactive autocomplete finishes.
+IPC_MESSAGE_ROUTED1(AutofillMsg_RequestAutocompleteFinished,
+                    int /* result */)

[Lei Zhang, 2012/10/30 00:37:11]

I think you can use AutocompleteResult here.

[Dan Beam, 2012/10/30 00:37:59]

Done.

+
 // Autofill messages sent from the renderer to the browser.
 
 // Notification that forms have been seen that are candidates for
@@ -187,6 +191,10 @@ IPC_MESSAGE_ROUTED0(AutofillHostMsg_DidPreviewAutofillFormData)
 IPC_MESSAGE_ROUTED1(AutofillHostMsg_DidFillAutofillFormData,
                     base::TimeTicks /* timestamp */)
 
+// Sent when a form receives a request to do interactive autocomplete.
+IPC_MESSAGE_ROUTED1(AutofillHostMsg_RequestAutocomplete,
+                    FormData /* form_data */)
+
 // Instructs the browser to remove the specified Autocomplete entry from the
 // database.
 IPC_MESSAGE_ROUTED2(AutofillHostMsg_RemoveAutocompleteEntry,