Pass task runners to AudioManager constructor.

content/browser/renderer_host/media/audio_output_device_enumerator_unittest.cc

Index: content/browser/renderer_host/media/audio_output_device_enumerator_unittest.cc
diff --git a/content/browser/renderer_host/media/audio_output_device_enumerator_unittest.cc b/content/browser/renderer_host/media/audio_output_device_enumerator_unittest.cc
index ac6140cbb0153b7201cebf06f2443c5798c68a30..bc69cc3d3b0b6f26baf1a80213b5a61a7ced8aff 100644
--- a/content/browser/renderer_host/media/audio_output_device_enumerator_unittest.cc
+++ b/content/browser/renderer_host/media/audio_output_device_enumerator_unittest.cc
@@ -30,7 +30,10 @@ namespace {
 class MockAudioManager : public media::FakeAudioManager {
  public:
   MockAudioManager(size_t num_devices)
-      : FakeAudioManager(&fake_audio_log_factory_), num_devices_(num_devices) {}
+      : FakeAudioManager(base::ThreadTaskRunnerHandle::Get(),
+                         base::ThreadTaskRunnerHandle::Get(),
+                         &fake_audio_log_factory_),
+        num_devices_(num_devices) {}
   MockAudioManager() : MockAudioManager(0) {}
   ~MockAudioManager() override {}
 
@@ -118,7 +121,7 @@ class AudioOutputDeviceEnumeratorTest : public ::testing::Test {
   }
 
  protected:
-  scoped_ptr<MockAudioManager> audio_manager_;
+  scoped_ptr<MockAudioManager, media::AudioManagerDeleter> audio_manager_;
   TestBrowserThreadBundle thread_bundle_;
   scoped_refptr<base::SingleThreadTaskRunner> task_runner_;
   base::RunLoop run_loop_;