Expose a way for unit tests to terminate the AudioManager singleton to avoid conflicts between te...

media/audio/audio_manager.cc

 // Copyright (c) 2011 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 "media/audio/audio_manager.h"
 
 #include "base/at_exit.h"
 #include "base/logging.h"
 
 static bool g_destroy_called = false;
@@ skipping 14 matching lines @@
 
 // static
 AudioManager* AudioManager::GetAudioManager() {
   if (!g_audio_manager && !g_destroy_called) {
     g_audio_manager = CreateAudioManager();
     g_audio_manager->Init();
     base::AtExitManager::RegisterCallback(&AudioManager::Destroy, NULL);
   }
   return g_audio_manager;
 }
+
+// static
+bool AudioManager::SingletonExists() {
+  return g_audio_manager != NULL;
+}
+
+// static
+void AudioManager::Resurrect() {
+  g_destroy_called = false;
+}