AutoFill forms. We do this by responding to a message from WebKit which send...

chrome/renderer/render_view.cc

Index: chrome/renderer/render_view.cc
===================================================================
--- chrome/renderer/render_view.cc	(revision 39310)
+++ chrome/renderer/render_view.cc	(working copy)
@@ -567,6 +567,8 @@
                         OnAutoFillSuggestionsReturned)
     IPC_MESSAGE_HANDLER(ViewMsg_AutocompleteSuggestionsReturned,
                         OnAutocompleteSuggestionsReturned)
+    IPC_MESSAGE_HANDLER(ViewMsg_AutoFillFormDataFilled,
+                        OnAutoFillFormDataFilled)
     IPC_MESSAGE_HANDLER(ViewMsg_PopupNotificationVisibilityChanged,
                         OnPopupNotificationVisibilityChanged)
     IPC_MESSAGE_HANDLER(ViewMsg_MoveOrResizeStarted, OnMoveOrResizeStarted)
@@ -1436,6 +1438,13 @@
   autofill_query_node_.reset();
 }
 
+void RenderView::OnAutoFillFormDataFilled(int query_id, const FormData& form) {
+  if (query_id != autofill_query_id_)
+    return;
+
+  form_manager_.FillForm(form);
+}
+
 void RenderView::OnPopupNotificationVisibilityChanged(bool visible) {
   popup_notification_visible_ = visible;
 }
@@ -1946,6 +1955,22 @@
   Send(new ViewHostMsg_RemoveAutofillEntry(routing_id_, name, value));
 }
 
+void RenderView::didAcceptAutoFillSuggestion(
+      const WebKit::WebNode& node,
+      const WebKit::WebString& name,
+      const WebKit::WebString& label) {
+  static int query_counter = 0;
+  autofill_query_id_ = query_counter++;
+
+  FormData form;
+  const WebInputElement element = node.toConstElement<WebInputElement>();
+  if (!form_manager_.FindForm(element, &form))
+    return;
+
+  Send(new ViewHostMsg_FillAutoFillFormData(
+      routing_id_, autofill_query_id_, form, name, label));
+}
+
 // WebKit::WebWidgetClient ----------------------------------------------------
 
 // We are supposed to get a single call to Show for a newly created RenderView
@@ -2562,6 +2587,7 @@
   // The document has now been fully loaded.  Scan for forms to be sent up to
   // the browser.
   // TODO(jhawkins): Make these use the FormManager.
+  form_manager_.ExtractForms(frame);
   SendForms(frame);
   SendPasswordForms(frame);