Devirtualize SpeechRecognitionEngine

content/browser/speech/speech_recognizer_impl.h

 // Copyright (c) 2013 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_BROWSER_SPEECH_SPEECH_RECOGNIZER_IMPL_H_
 #define CONTENT_BROWSER_SPEECH_SPEECH_RECOGNIZER_IMPL_H_
 
 #include <memory>
 
 #include "base/macros.h"
@@ skipping 14 matching lines @@
 namespace content {
 
 class SpeechRecognitionEventListener;
 
 // Handles speech recognition for a session (identified by |session_id|), taking
 // care of audio capture, silence detection/endpointer and interaction with the
 // SpeechRecognitionEngine.
 class CONTENT_EXPORT SpeechRecognizerImpl
     : public SpeechRecognizer,
       public media::AudioInputController::EventHandler,
-      public NON_EXPORTED_BASE(SpeechRecognitionEngineDelegate) {
+      public NON_EXPORTED_BASE(SpeechRecognitionEngine::Delegate) {
  public:
   static const int kAudioSampleRate;
   static const media::ChannelLayout kChannelLayout;
   static const int kNumBitsPerAudioSample;
   static const int kNoSpeechTimeoutMs;
   static const int kEndpointerEstimationTimeMs;
 
   static void SetAudioManagerForTesting(media::AudioManager* audio_manager);
 
   SpeechRecognizerImpl(SpeechRecognitionEventListener* listener,
@@ skipping 120 matching lines @@
   // Converts data between native input format and a WebSpeech specific
   // output format.
   std::unique_ptr<SpeechRecognizerImpl::OnDataConverter> audio_converter_;
 
   DISALLOW_COPY_AND_ASSIGN(SpeechRecognizerImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_SPEECH_SPEECH_RECOGNIZER_IMPL_H_