Start and stop RTC event logs from private extension API.

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 bcbd7aac30edfa75a4784f95fe5c21ec6ac1d976..b082e0ca273c9baa9b30e93cc2db4ee1ea372d87 100644
--- a/chrome/browser/chrome_content_browser_client.cc
+++ b/chrome/browser/chrome_content_browser_client.cc
@@ -279,6 +279,7 @@
 #endif
 
 #if defined(ENABLE_WEBRTC)
+#include "chrome/browser/media/webrtc_internal_log_handler_host.h"
 #include "chrome/browser/media/webrtc_logging_handler_host.h"
 #endif
 
@@ -923,8 +924,16 @@ void ChromeContentBrowserClient::RenderProcessWillLaunch(
   host->SetWebRtcLogMessageCallback(base::Bind(
       &WebRtcLoggingHandlerHost::LogMessage, webrtc_logging_handler_host));
   host->AddFilter(webrtc_logging_handler_host);
-  host->SetUserData(host, new base::UserDataAdapter<WebRtcLoggingHandlerHost>(
-      webrtc_logging_handler_host));
+  host->SetUserData(WebRtcLoggingHandlerHost::kWebRtcLoggingHandlerHostKey,
+                    new base::UserDataAdapter<WebRtcLoggingHandlerHost>(
+                        webrtc_logging_handler_host));
+
+  WebRtcInternalLogHandlerHost* webrtc_internal_log_handler_host =
+      new WebRtcInternalLogHandlerHost(profile);
+  host->SetUserData(
+      WebRtcInternalLogHandlerHost::kWebRtcInternalLogHandlerHostKey,
+      new base::UserDataAdapter<WebRtcInternalLogHandlerHost>(
+          webrtc_internal_log_handler_host));
 #endif
 #if !defined(DISABLE_NACL)
   host->AddFilter(new nacl::NaClHostMessageFilter(