[Chromoting] Initial plumbing for cursor shape.

remoting/protocol/connection_to_host.cc

Index: remoting/protocol/connection_to_host.cc
diff --git a/remoting/protocol/connection_to_host.cc b/remoting/protocol/connection_to_host.cc
index 25a8949623412647490334873eb04ff5fb7e0774..68058548f5f3e9342b2803b7be4b90cf57847ea8 100644
--- a/remoting/protocol/connection_to_host.cc
+++ b/remoting/protocol/connection_to_host.cc
@@ -65,10 +65,12 @@ void ConnectionToHost::Connect(scoped_refptr<XmppProxy> xmpp_proxy,
                                HostEventCallback* event_callback,
                                ClientStub* client_stub,
                                ClipboardStub* clipboard_stub,
+                               CursorShapeStub* cursor_shape_stub,
                                VideoStub* video_stub) {
   event_callback_ = event_callback;
   client_stub_ = client_stub;
   clipboard_stub_ = clipboard_stub;
+  cursor_shape_stub_ = cursor_shape_stub;
   video_stub_ = video_stub;
   authenticator_ = authenticator.Pass();
 
@@ -176,6 +178,7 @@ void ConnectionToHost::OnSessionStateChange(
           &ConnectionToHost::OnChannelInitialized, base::Unretained(this)));
       control_dispatcher_->set_client_stub(client_stub_);
       control_dispatcher_->set_clipboard_stub(clipboard_stub_);
+      control_dispatcher_->set_cursor_shape_stub(cursor_shape_stub_);
 
       event_dispatcher_.reset(new ClientEventDispatcher());
       event_dispatcher_->Init(session_.get(), base::Bind(