MSE: Plumb ChunkDemuxer appendData failures into append Error algorithm

third_party/WebKit/public/platform/WebSourceBuffer.h

Index: third_party/WebKit/public/platform/WebSourceBuffer.h
diff --git a/third_party/WebKit/public/platform/WebSourceBuffer.h b/third_party/WebKit/public/platform/WebSourceBuffer.h
index 73955dce946dad0b294ad0759f85092ab5611fdb..b577cfc7a32d4a91b49c96d70b8c92d546cfb9f3 100644
--- a/third_party/WebKit/public/platform/WebSourceBuffer.h
+++ b/third_party/WebKit/public/platform/WebSourceBuffer.h
@@ -37,6 +37,9 @@ namespace blink {
 
 class WebSourceBufferClient;
 
+// Interface for actuating the media engine implementation of Media Source
+// extension's SourceBuffer. See also the mediasource module in Blink, and the
+// WebSourceBufferClient interface.
 class WebSourceBuffer {
 public:
     enum AppendMode {
@@ -63,7 +66,9 @@ public:
 
     // Appends data and runs the segment parser loop algorithm.
     // The algorithm may update |*timestampOffset| if |timestampOffset| is not null.
-    virtual void append(const unsigned char* data, unsigned length, double* timestampOffset) = 0;
+    // Returns true on success, otherwise the append error algorithm needs to
+    // run with the decode error parameter set to true.
+    virtual bool append(const unsigned char* data, unsigned length, double* timestampOffset) = 0;
 
     virtual void resetParserState() = 0;
     virtual void remove(double start, double end) = 0;