Allow deleting autofill password suggestions on Shift+Delete

components/autofill/core/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 "base/time/time.h"
 #include "components/autofill/core/common/autofill_param_traits_macros.h"
@@ skipping 181 matching lines @@
                     autofill::FormData /* form */,
                     base::TimeTicks /* timestamp */)
 
 // Notification that a form field's value has changed.
 IPC_MESSAGE_ROUTED3(AutofillHostMsg_TextFieldDidChange,
                     autofill::FormData /* the form */,
                     autofill::FormFieldData /* the form field */,
                     base::TimeTicks /* timestamp */)
 
 // Queries the browser for Autofill suggestions for a form input field.
-IPC_MESSAGE_ROUTED5(AutofillHostMsg_QueryFormFieldAutofill,
+IPC_MESSAGE_ROUTED6(AutofillHostMsg_QueryFormFieldAutofill,
                     int /* id of this message */,
                     autofill::FormData /* the form */,
                     autofill::FormFieldData /* the form field */,
+                    blink::WebFormElement /* the web form element */,
                     gfx::RectF /* input field bounds, window-relative */,
                     bool /* display warning if autofill disabled */)
 
 // Instructs the browser to fill in the values for a form using Autofill
 // profile data.
 IPC_MESSAGE_ROUTED4(AutofillHostMsg_FillAutofillFormData,
                     int /* id of this message */,
                     autofill::FormData /* the form  */,
                     autofill::FormFieldData /* the form field  */,
                     int /* profile unique ID */)
@@ skipping 27 matching lines @@
                     int /* max length of the password */,
                     autofill::PasswordForm)
 
 // 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.
-IPC_MESSAGE_ROUTED4(AutofillHostMsg_ShowPasswordSuggestions,
+IPC_MESSAGE_ROUTED5(AutofillHostMsg_ShowPasswordSuggestions,
                     autofill::FormFieldData /* the form field */,
+                    blink::WebFormElement /* the web form element */,
                     gfx::RectF /* input field bounds, window-relative */,
                     std::vector<base::string16> /* suggestions */,
                     std::vector<base::string16> /* realms */)
 
+// Instruct the browser that a password mapping has to be removed.
+IPC_MESSAGE_ROUTED1(AutofillHostMsg_RemovePasswordSuggestion,
+                    blink::WebFormElement /* the user name field */)
+
 // 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 */)