[DO NOT COMMIT] Initial MediaPlayerRenderer plumbing and basic features

media/base/android/url_demuxer_stream_provider.h

+// Copyright 2016 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 MEDIA_BASE_ANDROID_URL_DEMUXER_STREAM_PRODIVDER_H_
+#define MEDIA_BASE_ANDROID_URL_DEMUXER_STREAM_PRODIVDER_H_
+
+#include <stddef.h>
+
+#include "base/callback.h"
+#include "base/macros.h"
+#include "base/memory/weak_ptr.h"
+#include "media/base/android/url_demuxer_stream.h"
+#include "media/base/demuxer_stream_provider.h"
+#include "url/gurl.h"
+
+namespace media {
+
+class UrlDemuxerStreamProvider : public Demuxer {
+ public:
+  UrlDemuxerStreamProvider(const GURL& url);
+  ~UrlDemuxerStreamProvider() override;
+
+  // DemuxerStreamProvider interface.
+  DemuxerStream* GetStream(DemuxerStream::Type type) override;
+
+  // Demuxer interface.
+  std::string GetDisplayName() const override;
+  void Initialize(DemuxerHost* host,
+                  const PipelineStatusCB& status_cb,
+                  bool enable_text_tracks) override;
+  void StartWaitingForSeek(base::TimeDelta seek_time) override;
+  void CancelPendingSeek(base::TimeDelta seek_time) override;
+  void Seek(base::TimeDelta time, const PipelineStatusCB& status_cb) override;
+  void Stop() override;
+  base::TimeDelta GetStartTime() const override;
+  base::Time GetTimelineOffset() const override;
+  int64_t GetMemoryUsage() const override;
+
+ private:
+  GURL url_;
+  std::unique_ptr<UrlDemuxerStream> stream_;
+
+  DISALLOW_COPY_AND_ASSIGN(UrlDemuxerStreamProvider);
+};
+
+}  // namespace media
+
+#endif  // MEDIA_BASE_ANDROID_URL_DEMUXER_STREAM_PRODIVDER_H_