Update appearance of omnibox focus for MD.

chrome/browser/ui/views/omnibox/omnibox_view_views_unittest.cc

 // Copyright (c) 2015 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 "chrome/browser/ui/views/omnibox/omnibox_view_views.h"
 
 #include <stddef.h>
 
 #include <memory>
 
@@ skipping 48 matching lines @@
 
 class TestingOmniboxEditController : public ChromeOmniboxEditController {
  public:
   explicit TestingOmniboxEditController(CommandUpdater* command_updater)
       : ChromeOmniboxEditController(command_updater) {}
 
  protected:
   // ChromeOmniboxEditController:
   void UpdateWithoutTabRestore() override {}
   void OnChanged() override {}
-  void OnSetFocus() override {}
   void ShowURL() override {}
   ToolbarModel* GetToolbarModel() override { return nullptr; }
   const ToolbarModel* GetToolbarModel() const override { return nullptr; }
   content::WebContents* GetWebContents() override { return nullptr; }
 
  private:
   DISALLOW_COPY_AND_ASSIGN(TestingOmniboxEditController);
 };
 
 }  // namespace
@@ skipping 54 matching lines @@
                    ui::DomKey::FromCharacter('b'), ui::EventTimeForNow());
   omnibox_textfield()->InsertChar(char_event);
   omnibox_view()->CheckUpdatePopupCallInfo(
       2, base::ASCIIToUTF16("ab"), gfx::Range(2));
 
   ui::KeyEvent pressed(ui::ET_KEY_PRESSED, ui::VKEY_BACK, 0);
   omnibox_textfield()->OnKeyPressed(pressed);
   omnibox_view()->CheckUpdatePopupCallInfo(
       3, base::ASCIIToUTF16("a"), gfx::Range(1));
 }