Remove ChromeToolbarModel

chrome/browser/ui/toolbar/chrome_toolbar_model.h

-// Copyright 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.
-
-#ifndef CHROME_BROWSER_UI_TOOLBAR_CHROME_TOOLBAR_MODEL_H_
-#define CHROME_BROWSER_UI_TOOLBAR_CHROME_TOOLBAR_MODEL_H_
-
-#include "base/macros.h"
-#include "components/security_state/security_state_model.h"
-#include "components/toolbar/toolbar_model.h"
-
-// This class is a //chrome-specific extension of the ToolbarModel interface.
-// TODO(blundell): Now that SecurityStateModel::SecurityLevel is componentized,
-// GetSecurityLevel() can be folded into ToolbarModel and this class can go
-// away. crbug.com/515071
-class ChromeToolbarModel : public ToolbarModel {
- public:
-  ~ChromeToolbarModel() override;
-
-  // Returns the security level that the toolbar should display.  If
-  // |ignore_editing| is true, the result reflects the underlying state of the
-  // page without regard to any user edits that may be in progress in the
-  // omnibox.
-  virtual security_state::SecurityStateModel::SecurityLevel GetSecurityLevel(
-      bool ignore_editing) const = 0;
-
- protected:
-  ChromeToolbarModel();
-
- private:
-  DISALLOW_COPY_AND_ASSIGN(ChromeToolbarModel);
-};
-
-#endif  // CHROME_BROWSER_UI_TOOLBAR_CHROME_TOOLBAR_MODEL_H_