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

chrome/browser/media/webrtc_event_log_handler.h

Index: chrome/browser/media/webrtc_event_log_handler.h
diff --git a/chrome/browser/media/webrtc_event_log_handler.h b/chrome/browser/media/webrtc_event_log_handler.h
index 33eaa5cf1a1263304f4e88d9936932e22732be65..0ba9aea5ee8bc340738810c77dac4cfde0438230 100644
--- a/chrome/browser/media/webrtc_event_log_handler.h
+++ b/chrome/browser/media/webrtc_event_log_handler.h
@@ -8,6 +8,7 @@
 #include <stddef.h>
 #include <stdint.h>
 
+#include <set>
 #include <string>
 
 #include "base/callback.h"
@@ -34,10 +35,11 @@ class WebRtcEventLogHandler
   // Key used to attach the handler to the RenderProcessHost.
   static const char kWebRtcEventLogHandlerKey[];
 
-  explicit WebRtcEventLogHandler(Profile* profile);
+  WebRtcEventLogHandler(int process_id, 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.
@@ -50,6 +52,13 @@ class WebRtcEventLogHandler
                                const RecordingDoneCallback& callback,
                                const RecordingErrorCallback& error_callback);
 
+  // Starts an RTC event log for each peerconnection on the specified |host|.
+  // A base file_path can be supplied, which will be extended to include several
+  // identifiers to ensure uniqueness. If a recording was already in progress,
+  // this call will be ignored.
+  void StartWebRtcEventLogging(content::RenderProcessHost* host,
+                               const base::FilePath& file_path);
+
   // Stops an RTC event log. |callback| is invoked once recording
   // stops. If no recording was in progress, |error_callback| is invoked instead
   // of |callback|.
@@ -57,6 +66,18 @@ class WebRtcEventLogHandler
                               const RecordingDoneCallback& callback,
                               const RecordingErrorCallback& error_callback);
 
+  // Stops an RTC event log for each peerconnection on the specified |host|.
+  // If no recording was in progress, this call has no effect.
+  void StopWebRtcEventLogging(content::RenderProcessHost* host);
+
+  // Signal that a PeerConnection was added to the RenderProcessHost
+  // identified by |process_id|.
+  void OnPeerConnectionAdded(int process_id, int connection_id);
+
+  // Signal that a PeerConnection was removed from the RenderProcessHost
+  // identified by |process_id|.
+  void OnPeerConnectionRemoved(int process_id, int connection_id);
+
  private:
   friend class base::RefCountedThreadSafe<WebRtcEventLogHandler>;
   virtual ~WebRtcEventLogHandler();
@@ -84,6 +105,17 @@ class WebRtcEventLogHandler
   // Must be accessed on the UI thread.
   bool is_rtc_event_logging_in_progress_;
 
+  // In case new PeerConnections are created during logging, the path is needed
+  // to enable logging for them.
+  base::FilePath base_file_path_;
+
+  // The local identifiers of all the currently active PeerConnections.
+  std::set<int> active_peer_connection_local_id_;
+
+  // Number of log files that can still be created before the maximum is
+  // reached. Each time a log file is opened, this value is decreased by one.
+  int number_log_files_;
+
   // This counter allows saving each log in a separate file.
   uint64_t current_rtc_event_log_id_;