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

chrome/browser/renderer_host/render_view_host.h

Index: chrome/browser/renderer_host/render_view_host.h
===================================================================
--- chrome/browser/renderer_host/render_view_host.h	(revision 39310)
+++ chrome/browser/renderer_host/render_view_host.h	(working copy)
@@ -400,6 +400,9 @@
       const std::vector<string16>& suggestions,
       int default_suggestion_index);
 
+  // Called by the AutoFillManager when the FormData has been filled out.
+  void AutoFillFormDataFilled(int query_id, const FormData& form);
+
   // Notifies the Renderer that a move or resize of its containing window has
   // started (this is used to hide the autocomplete popups if any).
   void WindowMoveOrResizeStarted();
@@ -589,6 +592,10 @@
                                 const webkit_glue::FormField& field);
   void OnRemoveAutofillEntry(const string16& field_name,
                              const string16& value);
+  void OnFillAutoFillFormData(int query_id,
+                              const FormData& form,
+                              const string16& name,
+                              const string16& label);
 
   void OnShowDesktopNotification(const GURL& source_origin,
                                  const GURL& url, int notification_id);