Update appearance of omnibox focus for MD.

ui/app_list/views/folder_header_view.cc

 // Copyright (c) 2013 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/app_list/views/folder_header_view.h"
 
 #include <algorithm>
 
 #include "base/macros.h"
 #include "base/strings/utf_string_conversions.h"
@@ skipping 22 matching lines @@
 const int kBottomSeparatorPadding = 9;  // Non-experimental app list only.
 const int kBottomSeparatorHeight = 1;
 const int kMaxFolderNameWidth = 300;
 
 }  // namespace
 
 class FolderHeaderView::FolderNameView : public views::Textfield {
  public:
   FolderNameView() {
     SetBorder(views::Border::CreateEmptyBorder(1, 1, 1, 1));
-    const SkColor kFocusBorderColor = SkColorSetRGB(64, 128, 250);
-    SetFocusPainter(views::Painter::CreateSolidFocusPainter(
-          kFocusBorderColor,
-          gfx::Insets(0, 0, 1, 1)));
-
     SetTextColor(kFolderTitleColor);
   }
 
   ~FolderNameView() override {}
 
  private:
   DISALLOW_COPY_AND_ASSIGN(FolderNameView);
 };
 
 FolderHeaderView::FolderHeaderView(FolderHeaderViewDelegate* delegate)
@@ skipping 188 matching lines @@
 void FolderHeaderView::ButtonPressed(views::Button* sender,
                                      const ui::Event& event) {
   delegate_->NavigateBack(folder_item_, event);
 }
 
 void FolderHeaderView::ItemNameChanged() {
   Update();
 }
 
 }  // namespace app_list