Add CefPermissionHandler callback for media access (fixes issue #2582)

libcef/browser/media_access_query.h

@@ -0,0 +1,33 @@
+// Copyright 2022 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_MEDIA_ACCESS_QUERY_H_
+#define CEF_LIBCEF_BROWSER_MEDIA_ACCESS_QUERY_H_
+#pragma once
+
+#include "content/public/browser/media_stream_request.h"
+
+namespace content {
+class RenderFrameHost;
+}
+
+class CefBrowserHostBase;
+class GURL;
+
+namespace media_access_query {
+
+// Called from WebContentsDelegate::CheckMediaAccessPermission.
+bool CheckMediaAccessPermission(CefBrowserHostBase* browser,
+                                content::RenderFrameHost* render_frame_host,
+                                const GURL& security_origin,
+                                blink::mojom::MediaStreamType type);
+
+// Called from WebContentsDelegate::RequestMediaAccessPermission.
+void RequestMediaAccessPermission(CefBrowserHostBase* browser,
+                                  const content::MediaStreamRequest& request,
+                                  content::MediaResponseCallback callback);
+
+}  // namespace media_access_query
+
+#endif  // CEF_LIBCEF_BROWSER_MEDIA_ACCESS_QUERY_H_