Support for providing media stream audio track to speech recognition

Source/modules/speech/SpeechRecognitionClient.h

 /*
  * Copyright (C) 2012 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *  * Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  *  * Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 15 matching lines @@
 #ifndef SpeechRecognitionClient_h
 #define SpeechRecognitionClient_h
 
 #include "wtf/text/WTFString.h"
 
 namespace blink {
 
 class Page;
 class SpeechGrammarList;
 class SpeechRecognition;
+class MediaStreamTrack;
 
 class SpeechRecognitionClient {
 public:
+    virtual void attach(SpeechRecognition*, MediaStreamTrack*) = 0;
     virtual void start(SpeechRecognition*, const SpeechGrammarList*, const String& lang, bool continuous, bool interimResults, unsigned long maxAlternatives) = 0;
     virtual void stop(SpeechRecognition*) = 0;
     virtual void abort(SpeechRecognition*) = 0;
 
     virtual ~SpeechRecognitionClient() { }
 };
 
 void provideSpeechRecognitionTo(Page&, PassOwnPtr<SpeechRecognitionClient>);
 
 } // namespace blink
 
 #endif // SpeechRecognitionClient_h