Fixed GMock warning about unexpected call in remoting_unittests.

BUG=None
TEST=unittests

Review URL: http://codereview.chromium.org/3181034

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@57212 0039d316-1c4b-4281-b951-d872f2087c98

remoting/jingle_glue/jingle_channel_unittest.cc

@@ -138,6 +138,10 @@ TEST(JingleChannelTest, Close) {
   channel->thread_ = &thread;
   channel->stream_.reset(stream);
   channel->state_ = JingleChannel::OPEN;
+
+  EXPECT_CALL(callback, OnStateChange(channel.get(), JingleChannel::CLOSED))
+      .Times(1);
+
   thread.Start();
   channel->Close();
   thread.Stop();