The webapp uses localStorage to decide whether logging to the server

remoting/webapp/me2mom/server_log_entry.js

Index: remoting/webapp/me2mom/server_log_entry.js
diff --git a/remoting/webapp/me2mom/server_log_entry.js b/remoting/webapp/me2mom/server_log_entry.js
index 0b1f23f9aea003e9e2b0b4a6b27a07c553c47803..892a91a871f8dd9935c035bd970170e3b09e8d4e 100644
--- a/remoting/webapp/me2mom/server_log_entry.js
+++ b/remoting/webapp/me2mom/server_log_entry.js
@@ -27,6 +27,9 @@ remoting.ServerLogEntry.prototype.VALUE_EVENT_NAME_SESSION_STATE_ =
     'session-state';
 
 /** @private */
+remoting.ServerLogEntry.prototype.KEY_ID_ = 'id';
+
+/** @private */
 remoting.ServerLogEntry.prototype.KEY_ROLE_ = 'role';
 /** @private */
 remoting.ServerLogEntry.prototype.VALUE_ROLE_CLIENT_ = 'client';
@@ -159,6 +162,15 @@ remoting.ServerLogEntry.prototype.makeClientSessionStateChange =
 };
 
 /**
+ * Adds an ID field to this log entry.
+ *
+ * @param {string} id
+ */
+remoting.ServerLogEntry.prototype.addIdField = function(id) {
+  this.set(this.KEY_ID_, id);
+}
+
+/**
  * Adds fields describing the host to this log entry.
  */
 remoting.ServerLogEntry.prototype.addHostFields = function() {