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

libcef/browser/chrome/views/toolbar_view_impl.cc

@@ -0,0 +1,40 @@
+// 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.
+
+#include "libcef/browser/chrome/views/toolbar_view_impl.h"
+
+// static
+CefRefPtr<CefToolbarViewImpl> CefToolbarViewImpl::Create(
+    CefRefPtr<CefViewDelegate> delegate,
+    Browser* browser,
+    BrowserView* browser_view,
+    base::Optional<ToolbarView::DisplayMode> display_mode) {
+  CEF_REQUIRE_UIT_RETURN(nullptr);
+  CefRefPtr<CefToolbarViewImpl> view =
+      new CefToolbarViewImpl(delegate, browser, browser_view, display_mode);
+  view->Initialize();
+  return view;
+}
+
+// static
+const char* const CefToolbarViewImpl::kTypeString = "ToolbarView";
+
+CefToolbarViewImpl::CefToolbarViewImpl(
+    CefRefPtr<CefViewDelegate> delegate,
+    Browser* browser,
+    BrowserView* browser_view,
+    base::Optional<ToolbarView::DisplayMode> display_mode)
+    : ParentClass(delegate),
+      browser_(browser),
+      browser_view_(browser_view),
+      display_mode_(display_mode) {}
+
+CefToolbarViewView* CefToolbarViewImpl::CreateRootView() {
+  return new CefToolbarViewView(delegate(), browser_, browser_view_,
+                                display_mode_);
+}
+
+void CefToolbarViewImpl::InitializeRootView() {
+  static_cast<CefToolbarViewView*>(root_view())->Initialize();
+}