Add flag for enabling WebRTC AEC debug recordings.

content/renderer/media/media_stream_dependency_factory.cc

Index: content/renderer/media/media_stream_dependency_factory.cc
diff --git a/content/renderer/media/media_stream_dependency_factory.cc b/content/renderer/media/media_stream_dependency_factory.cc
index 0f626513a4a7bb327a440672b3cc5df1650c7619..fe2e42ddf12740d21219209693089ebc272f2b93 100644
--- a/content/renderer/media/media_stream_dependency_factory.cc
+++ b/content/renderer/media/media_stream_dependency_factory.cc
@@ -6,8 +6,10 @@
 
 #include <vector>
 
+#include "base/command_line.h"
 #include "base/synchronization/waitable_event.h"
 #include "base/utf_string_conversions.h"
+#include "content/public/common/content_switches.h"
 #include "content/renderer/media/media_stream_source_extra_data.h"
 #include "content/renderer/media/rtc_media_constraints.h"
 #include "content/renderer/media/rtc_peer_connection_handler.h"
@@ -456,12 +458,19 @@ bool MediaStreamDependencyFactory::RemoveNativeMediaStreamTrack(
 
 bool MediaStreamDependencyFactory::CreatePeerConnectionFactory() {
   DVLOG(1) << "MediaStreamDependencyFactory::CreatePeerConnectionFactory()";
+
   if (!pc_factory_) {
     DCHECK(!audio_device_);
     audio_device_ = new WebRtcAudioDeviceImpl();
+
+    const CommandLine& command_line = *CommandLine::ForCurrentProcess();
+    bool enable_aec_recording =
+        command_line.HasSwitch(switches::kEnableWebRtcAecRecordings);

[tommi (sloooow) - chröme, 2013/05/14 09:53:29]

since the constant only exists when ENABLE_WEBRTC is 1, you need that #ifdef
here as well.

[Henrik Grunell, 2013/05/14 10:08:44]

This file is only compiled if WebRTC is enabled, i.e. if ENABLE_WEBRTC is
defined.

[tommi (sloooow) - chröme, 2013/05/14 12:10:26]

ah, lgtm then :)

+
     scoped_refptr<webrtc::PeerConnectionFactoryInterface> factory(
         webrtc::CreatePeerConnectionFactory(
-            worker_thread_, signaling_thread_, audio_device_, NULL, NULL));
+            worker_thread_, signaling_thread_, audio_device_, NULL, NULL,
+            enable_aec_recording));
     if (factory)
       pc_factory_ = factory;
     else