[Chromoting] Initial plumbing for cursor shape.

remoting/protocol/connection_to_client.h

Index: remoting/protocol/connection_to_client.h
diff --git a/remoting/protocol/connection_to_client.h b/remoting/protocol/connection_to_client.h
index 7615d2da2131188c08e3866f6f5e1498887b6161..109515a0a83d35322b044e5cf96a610b386f9efe 100644
--- a/remoting/protocol/connection_to_client.h
+++ b/remoting/protocol/connection_to_client.h
@@ -24,6 +24,7 @@ namespace protocol {
 
 class ClientStub;
 class ClipboardStub;
+class CursorShapeStub;
 class HostStub;
 class InputStub;
 class HostControlDispatcher;
@@ -83,9 +84,13 @@ class ConnectionToClient : public base::NonThreadSafe {
   // Send encoded update stream data to the viewer.
   virtual VideoStub* video_stub();
 
-  // Return pointer to ClientStub.
+  // Send control data to the viewer/client.
   virtual ClientStub* client_stub();
 
+  // Send cursor shape data to the viewer/client.
+  virtual CursorShapeStub* cursor_shape_stub();
+
+  // Stubs for receiving data from the client.
   // These three setters should be called before Init().
   virtual void set_clipboard_stub(ClipboardStub* clipboard_stub);
   virtual void set_host_stub(HostStub* host_stub);