[Chromoting] Initial plumbing for cursor shape.

remoting/protocol/client_control_dispatcher.cc

Index: remoting/protocol/client_control_dispatcher.cc
diff --git a/remoting/protocol/client_control_dispatcher.cc b/remoting/protocol/client_control_dispatcher.cc
index 73bff85023361e3376ef4f8e96fe11e1c5e2ce90..4ed97ee0361d885ece4feb19ea6cb6468ec0f6b2 100644
--- a/remoting/protocol/client_control_dispatcher.cc
+++ b/remoting/protocol/client_control_dispatcher.cc
@@ -22,6 +22,7 @@ ClientControlDispatcher::ClientControlDispatcher()
     : ChannelDispatcherBase(kControlChannelName),
       client_stub_(NULL),
       clipboard_stub_(NULL),
+      cursor_shape_stub_(NULL),
       writer_(new BufferedSocketWriter(base::MessageLoopProxy::current())) {
 }
 
@@ -64,6 +65,8 @@ void ClientControlDispatcher::OnMessageReceived(
 
   if (message->has_clipboard_event()) {
     clipboard_stub_->InjectClipboardEvent(message->clipboard_event());
+  } else if (message->has_cursor_shape()) {
+    cursor_shape_stub_->SetCursorShape(message->cursor_shape());
   } else {
     LOG(WARNING) << "Unknown control message received.";
   }