Allow setting different memory limits for different stream types

media/filters/chunk_demuxer.h

Index: media/filters/chunk_demuxer.h
diff --git a/media/filters/chunk_demuxer.h b/media/filters/chunk_demuxer.h
index 7be515261a7c7e4a1c3c0377e06d8e0a5e6d202c..38bf7bcd6800b53e4a0d658acc04589731078ef9 100644
--- a/media/filters/chunk_demuxer.h
+++ b/media/filters/chunk_demuxer.h
@@ -92,8 +92,8 @@ class MEDIA_EXPORT ChunkDemuxerStream : public DemuxerStream {
   TextTrackConfig text_track_config();
 
   // Sets the memory limit, in bytes, on the SourceBufferStream.
-  void set_memory_limit_for_testing(int memory_limit) {
-    stream_->set_memory_limit_for_testing(memory_limit);
+  void set_memory_limit(int memory_limit) {
+    stream_->set_memory_limit(memory_limit);
   }
 
   bool supports_partial_append_window_trimming() const {
@@ -262,9 +262,10 @@ class MEDIA_EXPORT ChunkDemuxer : public Demuxer {
 
   void Shutdown();
 
-  // Sets the memory limit on each stream. |memory_limit| is the
-  // maximum number of bytes each stream is allowed to hold in its buffer.
-  void SetMemoryLimitsForTesting(int memory_limit);
+  // Sets the memory limit on each stream of a specific type.
+  // |memory_limit| is the maximum number of bytes each stream of type |type|
+  // is allowed to hold in its buffer.
+  void SetMemoryLimits(DemuxerStream::Type type, int memory_limit);
 
   // Returns the ranges representing the buffered data in the demuxer.
   // TODO(wolenetz): Remove this method once MediaSourceDelegate no longer