[Chromoting] Initial plumbing for cursor shape.

remoting/protocol/client_control_dispatcher.h

Index: remoting/protocol/client_control_dispatcher.h
diff --git a/remoting/protocol/client_control_dispatcher.h b/remoting/protocol/client_control_dispatcher.h
index a867e137ad0bd9d337b3a1b60798ed0f026ae031..014662c131570c86834c2c47f2de0d0fdf54e9fc 100644
--- a/remoting/protocol/client_control_dispatcher.h
+++ b/remoting/protocol/client_control_dispatcher.h
@@ -8,6 +8,7 @@
 #include "base/memory/ref_counted.h"
 #include "remoting/protocol/channel_dispatcher_base.h"
 #include "remoting/protocol/clipboard_stub.h"
+#include "remoting/protocol/cursor_shape_stub.h"
 #include "remoting/protocol/host_stub.h"
 #include "remoting/protocol/message_reader.h"
 
@@ -20,8 +21,8 @@ class BufferedSocketWriter;
 class Session;
 
 // ClientControlDispatcher dispatches incoming messages on the control
-// channel to ClientStub or ClipboardStub, and also implements ClipboardStub
-// and HostStub for outgoing messages.
+// channel to ClientStub, ClipboardStub or CursorShapeStub.
+// It also implements ClipboardStub and HostStub for outgoing messages.
 class ClientControlDispatcher : public ChannelDispatcherBase,
                                 public ClipboardStub,
                                 public HostStub {
@@ -47,6 +48,11 @@ class ClientControlDispatcher : public ChannelDispatcherBase,
     clipboard_stub_ = clipboard_stub;
   }
 
+  // Sets stub to call for incoming cursor shape messages.
+  void set_cursor_shape_stub(CursorShapeStub* cursor_shape_stub) {
+    cursor_shape_stub_ = cursor_shape_stub;
+  }
+
  protected:
   // ChannelDispatcherBase overrides.
   virtual void OnInitialized() OVERRIDE;
@@ -57,6 +63,7 @@ class ClientControlDispatcher : public ChannelDispatcherBase,
 
   ClientStub* client_stub_;
   ClipboardStub* clipboard_stub_;
+  CursorShapeStub* cursor_shape_stub_;
 
   ProtobufMessageReader<ControlMessage> reader_;
   scoped_refptr<BufferedSocketWriter> writer_;