1 files changed, 34 insertions, 0 deletions
diff --git a/chromium/chrome/browser/push_messaging/push_messaging_utils.h b/chromium/chrome/browser/push_messaging/push_messaging_utils.h
new file mode 100644
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+++ b/chromium/chrome/browser/push_messaging/push_messaging_utils.h
@@ -0,0 +1,34 @@
+// Copyright 2020 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_PUSH_MESSAGING_PUSH_MESSAGING_UTILS_H_
+#define CHROME_BROWSER_PUSH_MESSAGING_PUSH_MESSAGING_UTILS_H_
+
+#include <string>
+#include "third_party/blink/public/mojom/push_messaging/push_messaging.mojom.h"
+
+class GURL;
+
+namespace push_messaging {
+
+// Returns the URL used to send push messages to the subscription identified
+// by |subscription_id|.
+GURL CreateEndpoint(const std::string& subscription_id);
+
+// Checks size and prefix to determine whether it is a VAPID key
+bool IsVapidKey(const std::string& application_server_key);
+
+// Normalizes the |sender_info|. In most cases the |sender_info| will be
+// passed through to the GCM Driver as-is, but NIST P-256 application server
+// keys have to be encoded using the URL-safe variant of the base64 encoding.
+std::string NormalizeSenderInfo(const std::string& sender_info);
+
+// Currently |user_visible_only| is always true, once silent pushes are
+// enabled, get this information from SW database.
+blink::mojom::PushSubscriptionOptionsPtr MakeOptions(
+    const std::string& sender_id);
+
+}  // namespace push_messaging
+
+#endif  // CHROME_BROWSER_PUSH_MESSAGING_PUSH_MESSAGING_UTILS_H_