Update appearance of omnibox focus for MD.

ui/views/controls/textfield/textfield.cc

 // Copyright (c) 2012 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 "ui/views/controls/textfield/textfield.h"
 
 #include <string>
 #include <utility>
 
 #include "base/trace_event/trace_event.h"
@@ skipping 555 matching lines @@
 }
 
 void Textfield::SetAccessibleName(const base::string16& name) {
   accessible_name_ = name;
 }
 
 void Textfield::ExecuteCommand(int command_id) {
   ExecuteCommand(command_id, ui::EF_NONE);
 }
 
-void Textfield::SetFocusPainter(std::unique_ptr<Painter> focus_painter) {
-  focus_painter_ = std::move(focus_painter);
-}
-
 bool Textfield::HasTextBeingDragged() {
   return initiating_drag_;
 }
 
 ////////////////////////////////////////////////////////////////////////////////
 // Textfield, View overrides:
 
 gfx::Insets Textfield::GetInsets() const {
   gfx::Insets insets = View::GetInsets();
   insets += gfx::Insets(kTextPadding, kTextPadding, kTextPadding, kTextPadding);
@@ skipping 1339 matching lines @@
     RequestFocus();
   model_->MoveCursorTo(mouse);
   if (!selection_clipboard_text.empty()) {
     model_->InsertText(selection_clipboard_text);
     UpdateAfterChange(true, true);
   }
   OnAfterUserAction();
 }
 
 }  // namespace views