MSE: Plumb ChunkDemuxer appendData failures into append Error algorithm

media/blink/websourcebuffer_impl.h

 // Copyright 2013 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_BLINK_WEBSOURCEBUFFER_IMPL_H_
 #define MEDIA_BLINK_WEBSOURCEBUFFER_IMPL_H_
 
 #include <stddef.h>
 
 #include <memory>
@@ skipping 12 matching lines @@
  public:
   WebSourceBufferImpl(const std::string& id, ChunkDemuxer* demuxer);
   ~WebSourceBufferImpl() override;
 
   // blink::WebSourceBuffer implementation.
   void setClient(blink::WebSourceBufferClient* client) override;
   bool setMode(AppendMode mode) override;
   blink::WebTimeRanges buffered() override;
   bool evictCodedFrames(double currentPlaybackTime,
                         size_t newDataSize) override;
-  void append(
-      const unsigned char* data,
-      unsigned length,
-      double* timestamp_offset) override;
+  bool append(const unsigned char* data,
+              unsigned length,
+              double* timestamp_offset) override;
   void resetParserState() override;
   void remove(double start, double end) override;
   bool setTimestampOffset(double offset) override;
   void setAppendWindowStart(double start) override;
   void setAppendWindowEnd(double end) override;
   void removedFromMediaSource() override;
 
  private:
   // Demuxer callback handler to process an initialization segment received
   // during an append() call.
@@ skipping 11 matching lines @@
 
   base::TimeDelta append_window_start_;
   base::TimeDelta append_window_end_;
 
   DISALLOW_COPY_AND_ASSIGN(WebSourceBufferImpl);
 };
 
 }  // namespace media
 
 #endif  // MEDIA_BLINK_WEBSOURCEBUFFER_IMPL_H_