chrome: Support usage of the Chrome toolbar from Views (see issue #2969)

libcef/browser/chrome/views/toolbar_view_view.h

@@ -0,0 +1,27 @@
+// Copyright 2021 The Chromium Embedded Framework 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 CEF_LIBCEF_BROWSER_CHROME_VIEWS_TOOLBAR_VIEW_VIEW_H_
+#define CEF_LIBCEF_BROWSER_CHROME_VIEWS_TOOLBAR_VIEW_VIEW_H_
+#pragma once
+
+#include "libcef/browser/views/view_view.h"
+
+#include "chrome/browser/ui/views/toolbar/toolbar_view.h"
+
+class CefToolbarViewView : public CefViewView<ToolbarView, CefViewDelegate> {
+ public:
+  typedef CefViewView<ToolbarView, CefViewDelegate> ParentClass;
+
+  // |cef_delegate| may be nullptr.
+  explicit CefToolbarViewView(CefViewDelegate* cef_delegate,
+                              Browser* browser,
+                              BrowserView* browser_view,
+                              base::Optional<DisplayMode> display_mode);
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(CefToolbarViewView);
+};
+
+#endif  // CEF_LIBCEF_BROWSER_CHROME_VIEWS_TOOLBAR_VIEW_VIEW_H_