1 files changed, 34 insertions, 0 deletions
diff --git a/chromium/components/speech/upstream_loader_client.h b/chromium/components/speech/upstream_loader_client.h
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index 00000000000..dcc51f7358d
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+++ b/chromium/components/speech/upstream_loader_client.h
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+// 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 COMPONENTS_SPEECH_UPSTREAM_LOADER_CLIENT_H_
+#define COMPONENTS_SPEECH_UPSTREAM_LOADER_CLIENT_H_
+
+namespace speech {
+
+// An interface containing the callback functions required by consumers
+// of the UpstreamLoader. The class that implements this client
+// interface must outlive the UpstreamLoader.
+class UpstreamLoaderClient {
+ public:
+  UpstreamLoaderClient(const UpstreamLoaderClient&) = delete;
+  UpstreamLoaderClient& operator=(const UpstreamLoaderClient&) = delete;
+
+ protected:
+  UpstreamLoaderClient() = default;
+  virtual ~UpstreamLoaderClient() = default;
+
+ private:
+  friend class UpstreamLoader;
+
+  // Executed when upstream data is completed.
+  // success: True on 2xx responses.
+  // response_code: The HTTP response code if available, or -1 on
+  // network errors.
+  virtual void OnUpstreamDataComplete(bool success, int response_code) = 0;
+};
+
+}  // namespace speech
+
+#endif  // COMPONENTS_SPEECH_UPSTREAM_LOADER_CLIENT_H_