Audio output debug recording.

chrome/browser/chrome_content_browser_client.cc

Index: chrome/browser/chrome_content_browser_client.cc
diff --git a/chrome/browser/chrome_content_browser_client.cc b/chrome/browser/chrome_content_browser_client.cc
index fa37b77ec9d21b7d335dd46cc59061023f630661..42488271b03223ddc5e4ba7aa9df524722f6ed1c 100644
--- a/chrome/browser/chrome_content_browser_client.cc
+++ b/chrome/browser/chrome_content_browser_client.cc
@@ -185,6 +185,7 @@
 #include "device/usb/public/interfaces/device_manager.mojom.h"
 #include "extensions/features/features.h"
 #include "gpu/config/gpu_switches.h"
+#include "media/audio/audio_manager.h"
 #include "media/media_features.h"
 #include "net/base/mime_util.h"
 #include "net/base/registry_controlled_domains/registry_controlled_domain.h"
@@ -1104,8 +1105,10 @@ void ChromeContentBrowserClient::RenderProcessWillLaunch(
                     new base::UserDataAdapter<WebRtcLoggingHandlerHost>(
                         webrtc_logging_handler_host));
 
+  // The audio manager outlives the host, so it's safe to hand a raw pointer to
+  // it to the AudioDebugRecordingsHandler, which is owned by the host.
   AudioDebugRecordingsHandler* audio_debug_recordings_handler =
-      new AudioDebugRecordingsHandler(profile);
+      new AudioDebugRecordingsHandler(profile, media::AudioManager::Get());
   host->SetUserData(
       AudioDebugRecordingsHandler::kAudioDebugRecordingsHandlerKey,
       new base::UserDataAdapter<AudioDebugRecordingsHandler>(