Do not haul suggestions back to browser in AutofillHostMsg_ShowPasswordSuggestions

components/autofill/content/common/autofill_messages.h

 // Copyright 2013 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 <vector>
 
 #include "base/strings/string16.h"
@@ skipping 267 matching lines @@
                     autofill::PasswordForm)
 
 // Instructs the browser to hide any password generation popups.
 IPC_MESSAGE_ROUTED0(AutofillHostMsg_HidePasswordGenerationPopup)
 
 // Instruct the browser that a password mapping has been found for a field.
 IPC_MESSAGE_ROUTED2(AutofillHostMsg_AddPasswordFormMapping,
                     autofill::FormFieldData, /* the user name field */
                     autofill::PasswordFormFillData /* password pairings */)
 
-// Instruct the browser to show a popup with the following suggestions from the
-// password manager.
+// Instruct the browser to show a popup with suggestions for the form field.
 IPC_MESSAGE_ROUTED4(AutofillHostMsg_ShowPasswordSuggestions,
                     autofill::FormFieldData /* the form field */,
-                    gfx::RectF /* input field bounds, window-relative */,
-                    std::vector<base::string16> /* suggestions */,
-                    std::vector<base::string16> /* realms */)
+                    base::string16 /* username typed by user */,
+                    bool /* show all suggestions */,
+                    gfx::RectF /* input field bounds, window-relative */)
 
 // Inform browser of data list values for the curent field.
 IPC_MESSAGE_ROUTED2(AutofillHostMsg_SetDataList,
                     std::vector<base::string16> /* values */,
                     std::vector<base::string16> /* labels */)