Switching WebRTC browser test from AudioManager::HasAudioOutputDevices() to AudioSystem interface.

content/browser/webrtc/webrtc_audio_browsertest.cc

 // Copyright (c) 2016 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/command_line.h"
 #include "base/files/file_util.h"
 #include "base/threading/platform_thread.h"
 #include "build/build_config.h"
 #include "content/browser/web_contents/web_contents_impl.h"
 #include "content/browser/webrtc/webrtc_content_browsertest_base.h"
 #include "content/public/common/content_switches.h"
 #include "content/public/common/webrtc_ip_handling_policy.h"
 #include "content/public/test/browser_test_utils.h"
 #include "content/public/test/content_browser_test_utils.h"
 #include "content/public/test/test_utils.h"
-#include "media/audio/audio_manager.h"
 #include "media/base/media_switches.h"
 #include "net/test/embedded_test_server/embedded_test_server.h"
 
 namespace content {
 
 #if defined(OS_ANDROID) && defined(ADDRESS_SANITIZER)
 // Renderer crashes under Android ASAN: https://crbug.com/408496.
 #define MAYBE_WebRtcAudioBrowserTest DISABLED_WebRtcAudioBrowserTest
 #else
 #define MAYBE_WebRtcAudioBrowserTest WebRtcAudioBrowserTest
@@ skipping 10 matching lines @@
     WebRtcContentBrowserTestBase::SetUpCommandLine(command_line);
     // Automatically grant device permission.
     AppendUseFakeUIForMediaStreamFlag();
   }
 
  protected:
   // Convenience method for making calls that detect if audio os playing (which
   // has some special prerequisites, such that there needs to be an audio output
   // device on the executing machine).
   void MakeAudioDetectingPeerConnectionCall(const std::string& javascript) {
-    if (!media::AudioManager::Get()->HasAudioOutputDevices()) {
+    if (!HasAudioOutputDevices()) {
       // Bots with no output devices will force the audio code into a state
       // where it doesn't manage to set either the low or high latency path.
       // This test will compute useless values in that case, so skip running on
       // such bots (see crbug.com/326338).
       LOG(INFO) << "Missing output devices: skipping test...";
       return;
     }
 
     ASSERT_TRUE(base::CommandLine::ForCurrentProcess()->HasSwitch(
         switches::kUseFakeDeviceForMediaStream))
@@ skipping 52 matching lines @@
       "callAndEnsureRemoteVideoMutingDoesntMuteAudio();");
 }
 
 IN_PROC_BROWSER_TEST_F(MAYBE_WebRtcAudioBrowserTest,
                        EstablishAudioVideoCallAndVerifyUnmutingWorks) {
   MakeAudioDetectingPeerConnectionCall(
       "callAndEnsureAudioTrackUnmutingWorks();");
 }
 
 }  // namespace content