Refactor AudioInputController and related interfaces.

content/browser/speech/speech_recognition_browsertest.cc

 // Copyright 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.
 
 #include <stddef.h>
 #include <stdint.h>
 #include <string.h>
 
 #include <list>
 #include <memory>
@@ skipping 138 matching lines @@
             static_cast<uint8_t>(127 * sin(i * 3.14F / (16 * buffer_size)));
     } else {
       memset(audio_buffer.get(), 0, buffer_size);
     }
 
     std::unique_ptr<media::AudioBus> audio_bus =
         media::AudioBus::Create(audio_params);
     audio_bus->FromInterleaved(&audio_buffer.get()[0],
                                audio_bus->frames(),
                                audio_params.bits_per_sample() / 8);
-    controller->event_handler()->OnData(controller.get(), audio_bus.get());
+    controller->sync_writer()->Write(audio_bus.get(), 0.0, false, 0);
   }
 
   void FeedAudioController(int duration_ms, bool feed_with_noise) {
     media::TestAudioInputController* controller =
         test_audio_input_controller_factory_.controller();
     ASSERT_TRUE(controller);
     const media::AudioParameters& audio_params = controller->audio_parameters();
     const size_t buffer_size = audio_params.GetBytesPerBuffer();
     const int ms_per_buffer = audio_params.frames_per_buffer() * 1000 /
                               audio_params.sample_rate();
@@ skipping 37 matching lines @@
 
 IN_PROC_BROWSER_TEST_F(SpeechRecognitionBrowserTest, OneShotRecognition) {
   NavigateToURLBlockUntilNavigationsComplete(
       shell(), GetTestUrlFromFragment("oneshot"), 2);
 
   EXPECT_EQ(kClientDisconnected, streaming_server_state());
   EXPECT_EQ("goodresult1", GetPageFragment());
 }
 
 }  // namespace content