Refactoring of chrome speech recognition architecture (CL1.3)

content/public/browser/speech_recognizer.h

 // Copyright (c) 2012 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.
 
 #ifndef CONTENT_PUBLIC_BROWSER_SPEECH_RECOGNIZER_H_
 #define CONTENT_PUBLIC_BROWSER_SPEECH_RECOGNIZER_H_
 
 #include <string>
 
 #include "base/memory/ref_counted.h"
@@ skipping 28 matching lines @@
       const std::string& hardware_info,
       const std::string& origin_url);
 
   virtual ~SpeechRecognizer() {}
 
   // Starts audio recording and the recognition process. The same
   // SpeechRecognizer instance can be used multiple times for speech recognition
   // though each recognition request can be made only after the previous one
   // completes (i.e. after receiving
   // SpeechRecognitionEventListener::OnRecognitionEnd).
-  virtual bool StartRecognition() = 0;
+  virtual void StartRecognition() = 0;
 
   // Stops recording audio and cancels recognition. Any audio recorded so far
   // gets discarded.
   virtual void AbortRecognition() = 0;
 
   // Stops recording audio and finalizes recognition, possibly getting results.
   virtual void StopAudioCapture() = 0;
 
   // Checks wether the recognizer is active, that is, either capturing audio
   // or waiting for a result.
   virtual bool IsActive() const = 0;
 
   // Checks wether the recognizer is capturing audio.
   virtual bool IsCapturingAudio() const = 0;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_BROWSER_SPEECH_RECOGNIZER_H_