When HLS redirects are encountered recreate WebMediaPlayer.

media/blink/buffered_data_source.cc

Index: media/blink/buffered_data_source.cc
diff --git a/media/blink/buffered_data_source.cc b/media/blink/buffered_data_source.cc
index 26cf3ec3d5890ea94b0e064792587d173b49acdc..828164c980aeb7a770d107cc0fbe1bf2504c698e 100644
--- a/media/blink/buffered_data_source.cc
+++ b/media/blink/buffered_data_source.cc
@@ -268,6 +268,10 @@ int64_t BufferedDataSource::GetMemoryUsage() const {
   return loader_ ? loader_->GetMemoryUsage() : 0;
 }
 
+GURL BufferedDataSource::GetResponseOriginURL() const {
+  return response_original_url_;
+}
+
 void BufferedDataSource::Read(int64_t position,
                               int size,
                               uint8_t* data,