Close all writers before JingleSession is destroyed.

remoting/protocol/connection_to_client_unittest.cc

Index: remoting/protocol/connection_to_client_unittest.cc
diff --git a/remoting/protocol/connection_to_client_unittest.cc b/remoting/protocol/connection_to_client_unittest.cc
index bb73a8f3d1cb36ffee2a2f72329c9af936cd83ca..378ac3e86c43f21b519bac021096c3b8d6a65543 100644
--- a/remoting/protocol/connection_to_client_unittest.cc
+++ b/remoting/protocol/connection_to_client_unittest.cc
@@ -55,6 +55,8 @@ TEST_F(ConnectionToClientTest, SendUpdateStream) {
   viewer_->video_stub()->ProcessVideoPacket(
       packet, new DeleteTask<VideoPacket>(packet));
 
+  message_loop_.RunAllPending();
+
   // And then close the connection to ConnectionToClient.
   viewer_->Disconnect();
 
@@ -65,6 +67,21 @@ TEST_F(ConnectionToClientTest, SendUpdateStream) {
   EXPECT_GT(session_->video_channel()->written_data().size(), 0u);
 }
 
+TEST_F(ConnectionToClientTest, NoWriteAfterDisconnect) {
+  // Then send the actual data.
+  VideoPacket* packet = new VideoPacket();
+  viewer_->video_stub()->ProcessVideoPacket(
+      packet, new DeleteTask<VideoPacket>(packet));
+
+  // And then close the connection to ConnectionToClient.
+  viewer_->Disconnect();
+
+  message_loop_.RunAllPending();
+
+  // Nothing should be written because connection has been closed.
+  EXPECT_EQ(session_->video_channel()->written_data().size(), 0u);
+}
+
 TEST_F(ConnectionToClientTest, StateChange) {
   EXPECT_CALL(handler_, OnConnectionClosed(viewer_.get()));
   session_->state_change_callback()->Run(protocol::Session::CLOSED);