Update appearance of omnibox focus for MD.

ui/views/controls/textfield/textfield.h

 // 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.
 
 #ifndef UI_VIEWS_CONTROLS_TEXTFIELD_TEXTFIELD_H_
 #define UI_VIEWS_CONTROLS_TEXTFIELD_TEXTFIELD_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 188 matching lines @@
 
   // Clears Edit history.
   void ClearEditHistory();
 
   // Set the accessible name of the text field.
   void SetAccessibleName(const base::string16& name);
 
   // Performs the action associated with the specified command id.
   void ExecuteCommand(int command_id);
 
-  void SetFocusPainter(std::unique_ptr<Painter> focus_painter);
-
   // Returns whether there is a drag operation originating from the textfield.
   bool HasTextBeingDragged();
 
   // View overrides:
   gfx::Insets GetInsets() const override;
   int GetBaseline() const override;
   gfx::Size GetPreferredSize() const override;
   const char* GetClassName() const override;
   gfx::NativeCursor GetCursor(const ui::MouseEvent& event) override;
   bool OnMousePressed(const ui::MouseEvent& event) override;
@@ skipping 182 matching lines @@
   // dispatch of that key event (see comment in TextInputClient).
   int scheduled_edit_command_;
 
   // True if this Textfield cannot accept input and is read-only.
   bool read_only_;
 
   // The default number of average characters for the width of this text field.
   // This will be reported as the "desired size". Defaults to 0.
   int default_width_in_chars_;
 
-  std::unique_ptr<Painter> focus_painter_;
-
   // Flags indicating whether various system colors should be used, and if not,
   // what overriding color values should be used instead.
   bool use_default_text_color_;
   bool use_default_background_color_;
   bool use_default_selection_text_color_;
   bool use_default_selection_background_color_;
   SkColor text_color_;
   SkColor background_color_;
   SkColor selection_text_color_;
   SkColor selection_background_color_;
@@ skipping 63 matching lines @@
 
   // Used to bind callback functions to this object.
   base::WeakPtrFactory<Textfield> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(Textfield);
 };
 
 }  // namespace views
 
 #endif  // UI_VIEWS_CONTROLS_TEXTFIELD_TEXTFIELD_H_