Redesign the copresence audio handlers.

components/copresence/mediums/audio/audio_recorder_unittest.cc

Index: components/copresence/mediums/audio/audio_recorder_unittest.cc
diff --git a/components/copresence/mediums/audio/audio_recorder_unittest.cc b/components/copresence/mediums/audio/audio_recorder_unittest.cc
index df3f3e5a621937396a4aa60039d238ecbfc7bd8f..565ef9059da81d2a7491f0351ebfdcd730e7463b 100644
--- a/components/copresence/mediums/audio/audio_recorder_unittest.cc
+++ b/components/copresence/mediums/audio/audio_recorder_unittest.cc
@@ -84,9 +84,9 @@ class AudioRecorderTest : public testing::Test {
 
   void CreateSimpleRecorder() {
     DeleteRecorder();
-    recorder_ = new AudioRecorder(
+    recorder_ = new AudioRecorder();
+    recorder_->Initialize(
         base::Bind(&AudioRecorderTest::DecodeSamples, base::Unretained(this)));
-    recorder_->Initialize();
   }
 
   void CreateRecorder(size_t channels,
@@ -107,12 +107,12 @@ class AudioRecorderTest : public testing::Test {
 
     total_samples_ = samples;
 
-    recorder_ = new AudioRecorder(
-        base::Bind(&AudioRecorderTest::DecodeSamples, base::Unretained(this)));
+    recorder_ = new AudioRecorder();
     recorder_->set_input_stream_for_testing(
         new TestAudioInputStream(params_, channel_data_, samples));
     recorder_->set_params_for_testing(new media::AudioParameters(params_));
-    recorder_->Initialize();
+    recorder_->Initialize(
+        base::Bind(&AudioRecorderTest::DecodeSamples, base::Unretained(this)));
   }
 
   void DeleteRecorder() {