Added switch for bypassing protected media identifier permission

chrome/browser/media/protected_media_identifier_whitelist.h

+// Copyright 2017 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_MEDIA_PROTECTED_MEDIA_IDENTIFIER_WHITELIST_H_
+#define CHROME_BROWSER_MEDIA_PROTECTED_MEDIA_IDENTIFIER_WHITELIST_H_
+
+#include "components/content_settings/core/common/content_settings.h"
+#include "url/gurl.h"
+
+class ProtectedMediaIdentifierWhitelist {
+ public:
+  ProtectedMediaIdentifierWhitelist();
+  ~ProtectedMediaIdentifierWhitelist();
+
+  ContentSetting modifySettingFor(ContentSetting original,
+                                  const GURL& requesting_origin) const;
+
+  DISALLOW_COPY_AND_ASSIGN(ProtectedMediaIdentifierWhitelist);
+};
+
+#endif  // CHROME_BROWSER_MEDIA_PROTECTED_MEDIA_IDENTIFIER_WHITELIST_H_