--- a/encrypted-media/encrypted-media.html	Wed Aug 27 10:22:17 2014 -0700
+++ b/encrypted-media/encrypted-media.html	Wed Aug 27 10:51:49 2014 -0700
@@ -1854,8 +1854,11 @@
         console.log("Session " + this.sessionId + " closed");
       }.bind(keySession)        
     );
-    // Store keySession.<a href="#dom-sessionid">sessionId</a> in the application.
-    keySession.<a href="#dom-generaterequest">generateRequest</a>(initDataType, initData).catch(
+    keySession.<a href="#dom-generaterequest">generateRequest</a>(initDataType, initData).then(
+      function() {
+        // Store this.<a href="#dom-sessionid">sessionId</a> in the application.
+      }.bind(keySession)
+    ).catch(
       console.error.bind(console, "Unable to create or initialize a persistable key session")
     );
   }

--- a/encrypted-media/encrypted-media.xml	Wed Aug 27 10:22:17 2014 -0700
+++ b/encrypted-media/encrypted-media.xml	Wed Aug 27 10:51:49 2014 -0700
@@ -1785,8 +1785,11 @@
         console.log("Session " + this.sessionId + " closed");
       }.bind(keySession)        
     );
-    // Store keySession.<precoderef>sessionId</precoderef> in the application.
-    keySession.<premethodref>generateRequest</premethodref>(initDataType, initData).catch(
+    keySession.<premethodref>generateRequest</premethodref>(initDataType, initData).then(
+      function() {
+        // Store this.<precoderef>sessionId</precoderef> in the application.
+      }.bind(keySession)
+    ).catch(
       console.error.bind(console, "Unable to create or initialize a persistable key session")
     );
   }