Refactor AudioInputController and split stat by stream type.

media/audio/test_audio_input_controller_factory.cc

Index: media/audio/test_audio_input_controller_factory.cc
diff --git a/media/audio/test_audio_input_controller_factory.cc b/media/audio/test_audio_input_controller_factory.cc
index 1766b9250f28f8b655377633acf965afc2d8bbb0..1173418124c10a862affbbf19e14a4d440f10d70 100644
--- a/media/audio/test_audio_input_controller_factory.cc
+++ b/media/audio/test_audio_input_controller_factory.cc
@@ -14,13 +14,14 @@ TestAudioInputController::TestAudioInputController(
     const AudioParameters& audio_parameters,
     EventHandler* event_handler,
     SyncWriter* sync_writer,
-    UserInputMonitor* user_input_monitor)
+    UserInputMonitor* user_input_monitor,
+    StreamType type)
     : AudioInputController(audio_manager->GetTaskRunner(),
                            event_handler,
                            sync_writer,
                            nullptr,
                            user_input_monitor,
-                           false),
+                           type),
       audio_parameters_(audio_parameters),
       factory_(factory),
       event_handler_(event_handler),
@@ -57,11 +58,12 @@ AudioInputController* TestAudioInputControllerFactory::Create(
     AudioManager* audio_manager,
     AudioInputController::EventHandler* event_handler,
     AudioParameters params,
-    UserInputMonitor* user_input_monitor) {
+    UserInputMonitor* user_input_monitor,
+    AudioInputController::StreamType type) {
   DCHECK(!controller_);  // Only one test instance managed at a time.
   controller_ =
       new TestAudioInputController(this, audio_manager, params, event_handler,
-                                   sync_writer, user_input_monitor);
+                                   sync_writer, user_input_monitor, type);
   return controller_;
 }