Add way to remove entries from autocomplete

chrome/browser/renderer_host/render_view_host_delegate.h

 // Copyright (c) 2006-2008 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.
 
 #ifndef CHROME_BROWSER_RENDERER_HOST_RENDER_VIEW_HOST_DELEGATE_H_
 #define CHROME_BROWSER_RENDERER_HOST_RENDER_VIEW_HOST_DELEGATE_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 304 matching lines @@
   // the name of the field |field_name| and what the user has already typed in
   // the field |user_text|.  Appeals to the database thead to perform the query.
   // When the database thread is finished, the autofill manager retrieves the
   // calling RenderViewHost and then passes the vector of suggestions to
   // RenderViewHost::AutofillSuggestionsReturned.
   virtual void GetAutofillSuggestions(const std::wstring& field_name,
                                       const std::wstring& user_text,
                                       int64 node_id,
                                       int request_id) { }
 
+  // Called when the user has indicated that she wants to remove the specified
+  // autofill suggestion from the database.
+  virtual void RemoveAutofillEntry(const std::wstring& field_name,
+                                   const std::wstring& value) { }
+
   // Notification that the page has an OpenSearch description document.
   virtual void PageHasOSDD(RenderViewHost* render_view_host,
                            int32 page_id, const GURL& doc_url,
                            bool autodetected) { }
 
   // Notification that the inspect element window has been opened
   virtual void InspectElementReply(int num_resources) { }
 
   // Notification that the render view has calculated the number of printed
   // pages.
@@ skipping 79 matching lines @@
 
   // A find operation in the current page completed.
   virtual void OnFindReply(int request_id,
                            int number_of_matches,
                            const gfx::Rect& selection_rect,
                            int active_match_ordinal,
                            bool final_update) { }
 };
 
 #endif  // CHROME_BROWSER_RENDERER_HOST_RENDER_VIEW_HOST_DELEGATE_H_