Processing USERNAME reply from Autofill server in Password Manager

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 84 matching lines @@
 
 IPC_STRUCT_TRAITS_BEGIN(autofill::PasswordAndRealm)
   IPC_STRUCT_TRAITS_MEMBER(password)
   IPC_STRUCT_TRAITS_MEMBER(realm)
 IPC_STRUCT_TRAITS_END()
 
 IPC_ENUM_TRAITS_MAX_VALUE(
     blink::WebFormElement::AutocompleteResult,
     blink::WebFormElement::AutocompleteResultErrorInvalid)
 
+typedef std::map<autofill::FormData, autofill::FormFieldData>
+    FormDataFieldDataMap;
+
 // Autofill messages sent from the browser to the renderer.
 
 // Tells the render frame that a user gesture was observed somewhere in the tab
 // (including in a different frame).
 IPC_MESSAGE_ROUTED0(AutofillMsg_FirstUserGestureObservedInTab)
 
 // Instructs the renderer to immediately return an IPC acknowledging the ping.
 // This is used to correctly sequence events, since IPCs are guaranteed to be
 // processed in order.
 IPC_MESSAGE_ROUTED0(AutofillMsg_Ping)
@@ skipping 73 matching lines @@
 IPC_MESSAGE_ROUTED3(AutofillMsg_RequestAutocompleteResult,
                     blink::WebFormElement::AutocompleteResult /* result */,
                     base::string16 /* message */,
                     autofill::FormData /* form_data */)
 
 // Sent when Autofill manager gets the query response from the Autofill server
 // and there are fields classified as ACCOUNT_CREATION_PASSWORD in the response.
 IPC_MESSAGE_ROUTED1(AutofillMsg_AccountCreationFormsDetected,
                     std::vector<autofill::FormData> /* forms */)
 
+// Sent when Autofill manager gets the query response from the Autofill server
+// which contains information about username fields for some forms.
+// |predictions| maps forms to their username fields.
+IPC_MESSAGE_ROUTED1(AutofillMsg_AutofillUsernameDataReceived,
+                    FormDataFieldDataMap /* predictions */)
+
 // Autofill messages sent from the renderer to the browser.
 
 // TODO(creis): check in the browser that the renderer actually has permission
 // for the URL to avoid compromised renderers talking to the browser.
 
 // Notification that there has been a user gesture.
 IPC_MESSAGE_ROUTED0(AutofillHostMsg_FirstUserGestureObserved)
 
 // Notification that forms have been seen that are candidates for
 // filling/submitting by the AutofillManager.
@@ skipping 103 matching lines @@
     int /* key */,
     base::i18n::TextDirection /* text_direction */,
     base::string16 /* username typed by user */,
     int /* options bitmask of autofill::ShowPasswordSuggestionsOptions */,
     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 */)