stopping the audio thread before destroying the AudioManager<Platform>

content/browser/renderer_host/media/audio_renderer_host_unittest.cc

 // Copyright (c) 2012 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 "base/bind.h"
 #include "base/environment.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/message_loop.h"
 #include "base/process_util.h"
 #include "base/sync_socket.h"
@@ skipping 343 matching lines @@
 }
 
 TEST_F(AudioRendererHostTest, SetVolume) {
   if (!IsRunningHeadless())
     EnableRealDevice();
 
   Create();
   SetVolume(0.5);
   Play();
   Pause();
-  Close();
 
   // Expect the volume is set.
   if (IsRunningHeadless()) {
-    EXPECT_EQ(0.5, FakeAudioOutputStream::GetLastFakeStream()->volume());
+    EXPECT_EQ(0.5, FakeAudioOutputStream::GetCurrentFakeStream()->volume());
   }
+  Close();
 }
 
 // Simulate the case where a stream is not properly closed.
 TEST_F(AudioRendererHostTest, CreatePlayAndShutdown) {
   if (!IsRunningHeadless())
     EnableRealDevice();
 
   Create();
   Play();
 }
@@ skipping 25 matching lines @@
     EnableRealDevice();
 
   Create();
   Play();
   SimulateError();
   Close();
 }
 
 
 // TODO(hclam): Add tests for data conversation in low latency mode.