Make the location bar generate accessibility extension API events...

chrome/browser/autocomplete/autocomplete_edit_view_gtk.h

 // Copyright (c) 2010 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_AUTOCOMPLETE_AUTOCOMPLETE_EDIT_VIEW_GTK_H_
 #define CHROME_BROWSER_AUTOCOMPLETE_AUTOCOMPLETE_EDIT_VIEW_GTK_H_
 
 #include <gtk/gtk.h>
 
 #include <algorithm>
@@ skipping 120 matching lines @@
 
   void SetBaseColor();
 
   // Used by LocationBarViewGtk to inform AutocompleteEditViewGtk if the tab to
   // search should be enabled or not. See the comment of |enable_tab_to_search_|
   // for details.
   void set_enable_tab_to_search(bool enable) {
     enable_tab_to_search_ = enable;
   }
 
+  GtkWidget* text_view() {
+    return text_view_;
+  }
+
  private:
   CHROMEG_CALLBACK_0(AutocompleteEditViewGtk, void, HandleBeginUserAction,
                      GtkTextBuffer*);
   CHROMEG_CALLBACK_0(AutocompleteEditViewGtk, void, HandleEndUserAction,
                      GtkTextBuffer*);
   CHROMEG_CALLBACK_2(AutocompleteEditViewGtk, void, HandleMarkSet,
                      GtkTextBuffer*, GtkTextIter*, GtkTextMark*);
   // As above, but called after the default handler.
   CHROMEG_CALLBACK_2(AutocompleteEditViewGtk, void, HandleMarkSetAfter,
                      GtkTextBuffer*, GtkTextIter*, GtkTextMark*);
@@ skipping 231 matching lines @@
 
   // Indicate if the tab to search should be enabled or not. It's true by
   // default and will only be set to false if the location bar view is not able
   // to show the tab to search hint.
   bool enable_tab_to_search_;
 
   DISALLOW_COPY_AND_ASSIGN(AutocompleteEditViewGtk);
 };
 
 #endif  // CHROME_BROWSER_AUTOCOMPLETE_AUTOCOMPLETE_EDIT_VIEW_GTK_H_