Revert of Pass task runners to AudioManager constructor.

content/browser/speech/speech_recognizer_impl_unittest.cc

Index: content/browser/speech/speech_recognizer_impl_unittest.cc
diff --git a/content/browser/speech/speech_recognizer_impl_unittest.cc b/content/browser/speech/speech_recognizer_impl_unittest.cc
index 1675e2e67d3fe696f4121cd3e404e06e0a1cc65e..38f66d1ba91829a917445c5080c494ae22c81dce 100644
--- a/content/browser/speech/speech_recognizer_impl_unittest.cc
+++ b/content/browser/speech/speech_recognizer_impl_unittest.cc
@@ -8,11 +8,11 @@
 #include <vector>
 
 #include "base/sys_byteorder.h"
+#include "content/browser/browser_thread_impl.h"
 #include "content/browser/speech/proto/google_streaming_api.pb.h"
 #include "content/browser/speech/speech_recognition_engine.h"
 #include "content/browser/speech/speech_recognizer_impl.h"
 #include "content/public/browser/speech_recognition_event_listener.h"
-#include "content/public/test/test_browser_thread_bundle.h"
 #include "media/audio/audio_manager_base.h"
 #include "media/audio/fake_audio_input_stream.h"
 #include "media/audio/fake_audio_output_stream.h"
@@ -26,6 +26,7 @@
 
 using media::AudioInputController;
 using media::AudioInputStream;
+using media::AudioManager;
 using media::AudioOutputStream;
 using media::AudioParameters;
 using media::TestAudioInputController;
@@ -37,7 +38,8 @@
                                  public testing::Test {
  public:
   SpeechRecognizerImplTest()
-      : recognition_started_(false),
+      : io_thread_(BrowserThread::IO, &message_loop_),
+        recognition_started_(false),
         recognition_ended_(false),
         result_received_(false),
         audio_started_(false),
@@ -182,9 +184,10 @@
   }
 
  protected:
-  TestBrowserThreadBundle thread_bundle_;
+  base::MessageLoopForIO message_loop_;
+  BrowserThreadImpl io_thread_;
   scoped_refptr<SpeechRecognizerImpl> recognizer_;
-  media::ScopedAudioManagerPtr audio_manager_;
+  std::unique_ptr<AudioManager> audio_manager_;
   bool recognition_started_;
   bool recognition_ended_;
   bool result_received_;