Move the call to enable the WebRTC event log from PeerConnectionFactory to PeerConnection.

chrome/browser/media/webrtc_event_log_handler.h

 // Copyright 2016 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.
 
 #ifndef CHROME_BROWSER_MEDIA_WEBRTC_EVENT_LOG_HANDLER_H_
 #define CHROME_BROWSER_MEDIA_WEBRTC_EVENT_LOG_HANDLER_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 18 matching lines @@
   typedef base::Callback<void(bool, const std::string&)> GenericDoneCallback;
   typedef base::Callback<void(const std::string&)> RecordingErrorCallback;
   typedef base::Callback<void(const std::string&, bool, bool)>
       RecordingDoneCallback;
 
   // Key used to attach the handler to the RenderProcessHost.
   static const char kWebRtcEventLogHandlerKey[];
 
   explicit WebRtcEventLogHandler(Profile* profile);
 
-  // Starts an RTC event log. The call writes the most recent events to a
-  // file and then starts logging events for the given |delay|.
+  // Starts an RTC event log for each peerconnection on the specified |host|.
+  // The call writes the most recent events to a file and then starts logging
+  // events for the given |delay|.
   // If |delay| is zero, the logging will continue until
   // StopWebRtcEventLogging()
   // is explicitly invoked.
   // |callback| is invoked once recording stops. If |delay| is zero
   // |callback| is invoked once recording starts.
   // If a recording was already in progress, |error_callback| is invoked instead
   // of |callback|.
   void StartWebRtcEventLogging(content::RenderProcessHost* host,
                                base::TimeDelta delay,
                                const RecordingDoneCallback& callback,
@@ skipping 23 matching lines @@
   void DoStopWebRtcEventLogging(content::RenderProcessHost* host,
                                 bool is_manual_stop,
                                 uint64_t audio_debug_recordings_id,
                                 const RecordingDoneCallback& callback,
                                 const RecordingErrorCallback& error_callback,
                                 const base::FilePath& log_directory);
 
   // The profile associated with our renderer process.
   Profile* const profile_;
 
-  // Must be accessed on the UI thread.
-  bool is_rtc_event_logging_in_progress_;
-
   // This counter allows saving each log in a separate file.
   uint64_t current_rtc_event_log_id_;
 
   base::ThreadChecker thread_checker_;
   DISALLOW_COPY_AND_ASSIGN(WebRtcEventLogHandler);
 };
 
 #endif  // CHROME_BROWSER_MEDIA_WEBRTC_EVENT_LOG_HANDLER_H_