Setting up external delegate calls to allow a future delegate to handle autofill

chrome/common/autofill_messages.h

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // Multiply-included message file, hence no include guard.
 
 #include <string>
 
 #include "base/time.h"
 #include "content/public/common/webkit_param_traits.h"
@@ skipping 74 matching lines @@
 
 // Send the heuristic and server field type predictions to the renderer.
 IPC_MESSAGE_ROUTED1(
     AutofillMsg_FieldTypePredictionsAvailable,
     std::vector<webkit_glue::FormDataPredictions> /* forms */)
 
 // Select an Autofill item when using an external delegate.
 IPC_MESSAGE_ROUTED1(AutofillMsg_SelectAutofillSuggestionAtIndex,
                     int /* listIndex */)
 
+// Inform the renderer that the browser has an external delegate
+// that will display the Autofill popup.
+IPC_MESSAGE_ROUTED1(AutofillMsg_SetHasExternalDelegate,
+                    bool /* has_external_delegate */)
+
 // Autofill messages sent from the renderer to the browser.
 
 // Notification that forms have been seen that are candidates for
 // filling/submitting by the AutofillManager.
 IPC_MESSAGE_ROUTED2(AutofillHostMsg_FormsSeen,
                     std::vector<webkit_glue::FormData> /* forms */,
                     base::TimeTicks /* timestamp */)
 
 // Notification that password forms have been seen that are candidates for
 // filling/submitting by the password manager.
@@ skipping 43 matching lines @@
 
 // Instructs the browser to remove the specified Autocomplete entry from the
 // database.
 IPC_MESSAGE_ROUTED2(AutofillHostMsg_RemoveAutocompleteEntry,
                     string16 /* field name */,
                     string16 /* value */)
 
 // Instructs the browser to show the Autofill dialog.
 IPC_MESSAGE_ROUTED0(AutofillHostMsg_ShowAutofillDialog)
 
+// Instructs the browser to hide the Autofill popup.
+IPC_MESSAGE_ROUTED0(AutofillHostMsg_HideAutofillPopup)
 
+// Messages to the Autofill delegate (which lives in the browser) from the
+// renderer.
+
+// Tells the external delegate where the element it is working on appears.
+IPC_MESSAGE_ROUTED4(AutofillHostMsg_AutofillElementBounds,
+                    int /* x */,
+                    int /* y */,
+                    int /* width */,
+                    int /* height */)