Stopgap fix for crash in issue 53867 comment 15

media/base/pipeline_impl.h

 // Copyright (c) 2010 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.
 
 // Implementation of Pipeline.
 
 #ifndef MEDIA_BASE_PIPELINE_IMPL_H_
 #define MEDIA_BASE_PIPELINE_IMPL_H_
 
 #include <set>
@@ skipping 216 matching lines @@
   // appropriate callbacks, and setting the appropriate pipeline state
   // depending on whether we performing Stop() or SetError().
   // Called after all filters have been stopped.
   void FinishDestroyingFiltersTask();
 
   // Internal methods used in the implementation of the pipeline thread.  All
   // of these methods are only called on the pipeline thread.
 
   // PrepareFilter() creates the filter's thread and injects a FilterHost and
   // MessageLoop.
-  void PrepareFilter(scoped_refptr<MediaFilter> filter);
+  bool PrepareFilter(scoped_refptr<MediaFilter> filter);
 
   // The following initialize methods are used to select a specific type of
   // MediaFilter object from MediaFilterCollection and initialize it
   // asynchronously.
   void InitializeDataSource();
   void InitializeDemuxer(const scoped_refptr<DataSource>& data_source);
 
   // Returns true if the asynchronous action of creating decoder has started.
   // Returns false if this method did nothing because the corresponding
   // audio/video stream does not exist.
@@ skipping 169 matching lines @@
 
   FRIEND_TEST_ALL_PREFIXES(PipelineImplTest, GetBufferedTime);
   FRIEND_TEST_ALL_PREFIXES(PipelineImplTest, AudioStreamShorterThanVideo);
 
   DISALLOW_COPY_AND_ASSIGN(PipelineImpl);
 };
 
 }  // namespace media
 
 #endif  // MEDIA_BASE_PIPELINE_IMPL_H_