Cleanup Fake* classes in remoting/protocol

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 c6dd90cf9c78e44cfd8b29c2d7dda82ee420187f..e2855928a84baba349222c3d2b0bf2e9530e8193 100644
--- a/remoting/protocol/connection_to_client_unittest.cc
+++ b/remoting/protocol/connection_to_client_unittest.cc
@@ -69,9 +69,10 @@ TEST_F(ConnectionToClientTest, SendUpdateStream) {
 
   // Verify that something has been written.
   // TODO(sergeyu): Verify that the correct data has been written.
-  ASSERT_TRUE(session_->GetStreamChannel(kVideoChannelName));
-  EXPECT_GT(session_->GetStreamChannel(kVideoChannelName)->
-            written_data().size(), 0u);
+  ASSERT_TRUE(
+      session_->fake_channel_factory().GetFakeChannel(kVideoChannelName));
+  EXPECT_FALSE(session_->fake_channel_factory()
+                   .GetFakeChannel(kVideoChannelName)->written_data().empty());
 
   // And then close the connection to ConnectionToClient.
   viewer_->Disconnect();