Remove SessionManagerPair.

remoting/protocol/jingle_session_unittest.cc

Index: remoting/protocol/jingle_session_unittest.cc
diff --git a/remoting/protocol/jingle_session_unittest.cc b/remoting/protocol/jingle_session_unittest.cc
index 72c28b05db7ef1a8d340ab39e8da7a150ba5cd93..03c5be4ffa449b57ef3f6f213f28f711cbe39111 100644
--- a/remoting/protocol/jingle_session_unittest.cc
+++ b/remoting/protocol/jingle_session_unittest.cc
@@ -101,7 +101,7 @@ class JingleSessionTest : public testing::Test {
   }
 
   void CreateServerPair() {
-    // SessionManagerPair must be initialized on the jingle thread.
+    // Sessions must be initialized on the jingle thread.
     thread_.message_loop()->PostTask(
         FROM_HERE, NewRunnableMethod(
             this, &JingleSessionTest::DoCreateServerPair));