Use scoped_ptr<> to pass ownership in more places.

remoting/host/client_session_unittest.cc

Index: remoting/host/client_session_unittest.cc
diff --git a/remoting/host/client_session_unittest.cc b/remoting/host/client_session_unittest.cc
index 38a9171cf7e64d07e01819d3cb0aff14757deb47..5c1a4f833638c39e0083add9240ac634c27cdebb 100644
--- a/remoting/host/client_session_unittest.cc
+++ b/remoting/host/client_session_unittest.cc
@@ -38,9 +38,10 @@ class ClientSessionTest : public testing::Test {
     EXPECT_CALL(*session, jid()).WillRepeatedly(ReturnRef(client_jid_));
     EXPECT_CALL(*session, SetStateChangeCallback(_));
 
+    scoped_ptr<protocol::ConnectionToClient> connection(
+        new protocol::ConnectionToClient(session));
     client_session_.reset(new ClientSession(
-        &session_event_handler_,
-        new protocol::ConnectionToClient(session),
+        &session_event_handler_, connection.Pass(),
         &host_event_stub_, &capturer_));
   }