An edit for SetText needs to be merged with previous edit for omnibox.

views/controls/textfield/native_textfield_gtk.cc

 // Copyright (c) 2011 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.
 
 #include <gdk/gdkkeysyms.h>
 #include <gtk/gtk.h>
 
 #include "views/controls/textfield/native_textfield_gtk.h"
 
 #include "base/logging.h"
@@ skipping 377 matching lines @@
 
 void NativeTextfieldGtk::ApplyTextStyle(const TextStyle* style,
                                         const ui::Range& range) {
   NOTREACHED();
 }
 
 void NativeTextfieldGtk::ClearAllTextStyles() {
   NOTREACHED();
 }
 
+void NativeTextfieldGtk::ClearEditHistory() {
+  NOTREACHED();
+}
+
 void NativeTextfieldGtk::OnActivate(GtkWidget* native_widget) {
   GdkEvent* event = gtk_get_current_event();
   if (!event || event->type != GDK_KEY_PRESS)
     return;
 
   KeyEvent views_key_event(event);
   gboolean handled = false;
 
   TextfieldController* controller = textfield_->GetController();
   if (controller)
@@ skipping 127 matching lines @@
 // static
 NativeTextfieldWrapper* NativeTextfieldWrapper::CreateWrapper(
     Textfield* field) {
   if (NativeTextfieldViews::IsTextfieldViewsEnabled()) {
     return new NativeTextfieldViews(field);
   }
   return new NativeTextfieldGtk(field);
 }
 
 }  // namespace views