Fix side-effect in DCHECK that breaks another DCHECK in JingleSession.

remoting/protocol/jingle_session_unittest.cc

 // Copyright (c) 2012 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.
 
 #include "remoting/protocol/jingle_session.h"
 
 #include "base/bind.h"
 #include "base/message_loop/message_loop.h"
 #include "base/run_loop.h"
 #include "base/test/test_timeouts.h"
@@ skipping 503 matching lines @@
   ExpectRouteChange(kChannelName);
 
   message_loop_->Run();
 
   client_session_->GetTransportChannelFactory()->CancelChannelCreation(
       kChannelName);
 
   EXPECT_TRUE(!host_socket_.get());
 }
 
+TEST_F(JingleSessionTest, TestCancelChannelCreation) {
+  CreateSessionManagers(1, FakeAuthenticator::REJECT_CHANNEL);
+  ASSERT_NO_FATAL_FAILURE(
+      InitiateConnection(1, FakeAuthenticator::ACCEPT, false));
+
+  client_session_->GetTransportChannelFactory()->CreateChannel(
+      kChannelName, base::Bind(&JingleSessionTest::OnClientChannelCreated,
+                               base::Unretained(this)));
+  client_session_->GetTransportChannelFactory()->CancelChannelCreation(
+      kChannelName);
+
+  EXPECT_TRUE(!client_socket_.get());
+}
+
 }  // namespace protocol
 }  // namespace remoting