Allow audio debug recordings through a private API extension.

chrome/common/chrome_switches.cc

Index: chrome/common/chrome_switches.cc
diff --git a/chrome/common/chrome_switches.cc b/chrome/common/chrome_switches.cc
index c9c9249829c2994a148f1d40f294bcaf7cc9cf2f..7b7bbbc309ec45214d68e34e307e154531b7b06d 100644
--- a/chrome/common/chrome_switches.cc
+++ b/chrome/common/chrome_switches.cc
@@ -375,6 +375,10 @@ const char kEnableAddToShelf[] = "enable-add-to-shelf";
 // Enable OS integration for Chrome app file associations.
 const char kEnableAppsFileAssociations[]    = "enable-apps-file-associations";
 
+// If the WebRTC logging private API is active, enables audio debug recordings.
+const char kEnableAudioDebugRecordingsFromExtension[] =
+    "enable-audio-debug-recordings-from-extension";
+
 // Enables the benchmarking extensions.
 const char kEnableBenchmarking[]            = "enable-benchmarking";