Pass task runners to AudioManager constructor.

media/audio/win/audio_low_latency_input_win_unittest.cc

Index: media/audio/win/audio_low_latency_input_win_unittest.cc
diff --git a/media/audio/win/audio_low_latency_input_win_unittest.cc b/media/audio/win/audio_low_latency_input_win_unittest.cc
index 8a9f366d9c461a1edf4404b10e35117f958d8b43..90057080b8f85a42d9a506413d98017dd3b74521 100644
--- a/media/audio/win/audio_low_latency_input_win_unittest.cc
+++ b/media/audio/win/audio_low_latency_input_win_unittest.cc
@@ -253,7 +253,9 @@ class ScopedAudioInputStream {
 // Verify that we can retrieve the current hardware/mixing sample rate
 // for all available input devices.
 TEST(WinAudioInputTest, WASAPIAudioInputStreamHardwareSampleRate) {
-  scoped_ptr<AudioManager> audio_manager(AudioManager::CreateForTesting());
+  base::MessageLoop loop;
+  ScopedAudioManagerPtr audio_manager(
+      AudioManager::CreateForTesting(loop.task_runner()));
   ABORT_AUDIO_TEST_IF_NOT(HasCoreAudioAndInputDevices(audio_manager.get()));
 
   // Retrieve a list of all available input devices.
@@ -273,7 +275,9 @@ TEST(WinAudioInputTest, WASAPIAudioInputStreamHardwareSampleRate) {
 
 // Test Create(), Close() calling sequence.
 TEST(WinAudioInputTest, WASAPIAudioInputStreamCreateAndClose) {
-  scoped_ptr<AudioManager> audio_manager(AudioManager::CreateForTesting());
+  base::MessageLoop loop;
+  ScopedAudioManagerPtr audio_manager(
+      AudioManager::CreateForTesting(loop.task_runner()));
   ABORT_AUDIO_TEST_IF_NOT(HasCoreAudioAndInputDevices(audio_manager.get()));
   ScopedAudioInputStream ais(
       CreateDefaultAudioInputStream(audio_manager.get()));
@@ -282,7 +286,9 @@ TEST(WinAudioInputTest, WASAPIAudioInputStreamCreateAndClose) {
 
 // Test Open(), Close() calling sequence.
 TEST(WinAudioInputTest, WASAPIAudioInputStreamOpenAndClose) {
-  scoped_ptr<AudioManager> audio_manager(AudioManager::CreateForTesting());
+  base::MessageLoop loop;
+  ScopedAudioManagerPtr audio_manager(
+      AudioManager::CreateForTesting(loop.task_runner()));
   ABORT_AUDIO_TEST_IF_NOT(HasCoreAudioAndInputDevices(audio_manager.get()));
   ScopedAudioInputStream ais(
       CreateDefaultAudioInputStream(audio_manager.get()));
@@ -292,7 +298,9 @@ TEST(WinAudioInputTest, WASAPIAudioInputStreamOpenAndClose) {
 
 // Test Open(), Start(), Close() calling sequence.
 TEST(WinAudioInputTest, WASAPIAudioInputStreamOpenStartAndClose) {
-  scoped_ptr<AudioManager> audio_manager(AudioManager::CreateForTesting());
+  base::MessageLoop loop;
+  ScopedAudioManagerPtr audio_manager(
+      AudioManager::CreateForTesting(loop.task_runner()));
   ABORT_AUDIO_TEST_IF_NOT(HasCoreAudioAndInputDevices(audio_manager.get()));
   ScopedAudioInputStream ais(
       CreateDefaultAudioInputStream(audio_manager.get()));
@@ -304,7 +312,9 @@ TEST(WinAudioInputTest, WASAPIAudioInputStreamOpenStartAndClose) {
 
 // Test Open(), Start(), Stop(), Close() calling sequence.
 TEST(WinAudioInputTest, WASAPIAudioInputStreamOpenStartStopAndClose) {
-  scoped_ptr<AudioManager> audio_manager(AudioManager::CreateForTesting());
+  base::MessageLoop loop;
+  ScopedAudioManagerPtr audio_manager(
+      AudioManager::CreateForTesting(loop.task_runner()));
   ABORT_AUDIO_TEST_IF_NOT(HasCoreAudioAndInputDevices(audio_manager.get()));
   ScopedAudioInputStream ais(
       CreateDefaultAudioInputStream(audio_manager.get()));
@@ -317,7 +327,9 @@ TEST(WinAudioInputTest, WASAPIAudioInputStreamOpenStartStopAndClose) {
 
 // Test some additional calling sequences.
 TEST(WinAudioInputTest, WASAPIAudioInputStreamMiscCallingSequences) {
-  scoped_ptr<AudioManager> audio_manager(AudioManager::CreateForTesting());
+  base::MessageLoop loop;
+  ScopedAudioManagerPtr audio_manager(
+      AudioManager::CreateForTesting(loop.task_runner()));
   ABORT_AUDIO_TEST_IF_NOT(HasCoreAudioAndInputDevices(audio_manager.get()));
   ScopedAudioInputStream ais(
       CreateDefaultAudioInputStream(audio_manager.get()));
@@ -345,11 +357,12 @@ TEST(WinAudioInputTest, WASAPIAudioInputStreamMiscCallingSequences) {
 }
 
 TEST(WinAudioInputTest, WASAPIAudioInputStreamTestPacketSizes) {
-  scoped_ptr<AudioManager> audio_manager(AudioManager::CreateForTesting());
+  base::MessageLoopForUI loop;
+  ScopedAudioManagerPtr audio_manager(
+      AudioManager::CreateForTesting(loop.task_runner()));
   ABORT_AUDIO_TEST_IF_NOT(HasCoreAudioAndInputDevices(audio_manager.get()));
 
   int count = 0;
-  base::MessageLoopForUI loop;
 
   // 10 ms packet size.
 
@@ -415,7 +428,9 @@ TEST(WinAudioInputTest, WASAPIAudioInputStreamTestPacketSizes) {
 
 // Test that we can capture a stream in loopback.
 TEST(WinAudioInputTest, WASAPIAudioInputStreamLoopback) {
-  scoped_ptr<AudioManager> audio_manager(AudioManager::CreateForTesting());
+  base::MessageLoop loop;
+  ScopedAudioManagerPtr audio_manager(
+      AudioManager::CreateForTesting(loop.task_runner()));
   ABORT_AUDIO_TEST_IF_NOT(audio_manager->HasAudioOutputDevices() &&
                           CoreAudioUtil::IsSupported());
 
@@ -449,7 +464,9 @@ TEST(WinAudioInputTest, WASAPIAudioInputStreamLoopback) {
 // with --gtest_also_run_disabled_tests or set the GTEST_ALSO_RUN_DISABLED_TESTS
 // environment variable to a value greater than 0.
 TEST(WinAudioInputTest, DISABLED_WASAPIAudioInputStreamRecordToFile) {
-  scoped_ptr<AudioManager> audio_manager(AudioManager::CreateForTesting());
+  base::MessageLoop loop;
+  ScopedAudioManagerPtr audio_manager(
+      AudioManager::CreateForTesting(loop.task_runner()));
   ABORT_AUDIO_TEST_IF_NOT(HasCoreAudioAndInputDevices(audio_manager.get()));
 
   // Name of the output PCM file containing captured data. The output file