Don't collect a log per peerconnection if webrtc-internals isn't open.

content/browser/webrtc/webrtc_internals.h

 // Copyright (c) 2013 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 CONTENT_BROWSER_WEBRTC_WEBRTC_INTERNALS_H_
 #define CONTENT_BROWSER_WEBRTC_WEBRTC_INTERNALS_H_
 
 #include <memory>
 #include <queue>
 #include <string>
@@ skipping 157 matching lines @@
   // impose/release a block on suspending the current application for power
   // saving.
   void CreateOrReleasePowerSaveBlocker();
 
   // Called on a timer to deliver updates to javascript.
   // We throttle and bulk together updates to avoid DOS like scenarios where
   // a page uses a lot of peerconnection instances with many event
   // notifications.
   void ProcessPendingUpdates();
 
+  base::DictionaryValue* FindRecord(base::ProcessId pid,
+                                    int lid,
+                                    size_t* index = nullptr);
+
   base::ObserverList<WebRTCInternalsUIObserver> observers_;
 
   // |peer_connection_data_| is a list containing all the PeerConnection
   // updates.
   // Each item of the list represents the data for one PeerConnection, which
   // contains these fields:
   // "rid" -- the renderer id.
   // "pid" -- OS process id of the renderer that creates the PeerConnection.
   // "lid" -- local Id assigned to the PeerConnection.
   // "url" -- url of the web page that created the PeerConnection.
@@ skipping 64 matching lines @@
   std::queue<PendingUpdate> pending_updates_;
   const int aggregate_updates_ms_;
 
   // Weak factory for this object that we use for bulking up updates.
   base::WeakPtrFactory<WebRTCInternals> weak_factory_;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_WEBRTC_WEBRTC_INTERNALS_H_