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

content/browser/webrtc/webrtc_content_browsertest_base.cc

 // Copyright 2014 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 "content/browser/webrtc/webrtc_content_browsertest_base.h"
 
 #include "base/command_line.h"
 #include "base/strings/stringprintf.h"
 #include "base/strings/utf_string_conversions.h"
 #include "build/build_config.h"
 #include "content/browser/web_contents/web_contents_impl.h"
 #include "content/public/common/content_switches.h"
 #include "content/public/test/browser_test_utils.h"
 #include "content/public/test/content_browser_test_utils.h"
 #include "content/shell/browser/shell.h"
+#include "media/audio/audio_system.h"
 #include "media/base/media_switches.h"
 #include "net/test/embedded_test_server/embedded_test_server.h"
 
 #if defined(OS_CHROMEOS)
 #include "chromeos/audio/cras_audio_handler.h"
 #endif
 
 namespace content {
 
 void WebRtcContentBrowserTestBase::SetUpCommandLine(
@@ skipping 74 matching lines @@
      int min_frame_rate,
      int max_frame_rate) const {
    return base::StringPrintf(
        "%s({video: {mandatory: {minWidth: %d, maxWidth: %d, "
        "minHeight: %d, maxHeight: %d, minFrameRate: %d, maxFrameRate: %d}, "
        "optional: []}});",
        function_name, min_width, max_width, min_height, max_height,
        min_frame_rate, max_frame_rate);
 }
 
+// static
+bool WebRtcContentBrowserTestBase::HasAudioOutputDevices() {
+  bool has_devices = false;
+  base::RunLoop run_loop;
+  media::AudioSystem::Get()->HasOutputDevices(base::Bind(
+      [](base::Closure finished_callback, bool* result, bool received) {
+        *result = received;
+        finished_callback.Run();
+      },
+      base::Passed(run_loop.QuitClosure()), &has_devices));
+  run_loop.Run();
+  return has_devices;
+}
+
 }  // namespace content