Implement InputStub in the host side for chromoting

remoting/host/session_manager.h

Index: remoting/host/session_manager.h
diff --git a/remoting/host/session_manager.h b/remoting/host/session_manager.h
index e5a12d2f6599b0b672659deefa33a9f8958fa74a..23f43ac01ed29718826bf214ace92cbe7ddd6da5 100644
--- a/remoting/host/session_manager.h
+++ b/remoting/host/session_manager.h
@@ -9,6 +9,7 @@
 
 #include "base/basictypes.h"
 #include "base/message_loop.h"
+#include "base/message_loop_proxy.h"
 #include "base/ref_counted.h"
 #include "base/scoped_ptr.h"
 #include "base/time.h"
@@ -65,7 +66,7 @@ class SessionManager : public base::RefCountedThreadSafe<SessionManager> {
 
   // Construct a SessionManager. Message loops and threads are provided.
   // This object does not own capturer and encoder.
-  SessionManager(MessageLoop* capture_loop,
+  SessionManager(scoped_refptr<base::MessageLoopProxy> capture_loop,
                  MessageLoop* encode_loop,
                  MessageLoop* network_loop,
                  Capturer* capturer,
@@ -145,7 +146,7 @@ class SessionManager : public base::RefCountedThreadSafe<SessionManager> {
   void EncodeDataAvailableTask(VideoPacket* packet);
 
   // Message loops used by this class.
-  MessageLoop* capture_loop_;
+  scoped_refptr<base::MessageLoopProxy> capture_loop_;
   MessageLoop* encode_loop_;
   MessageLoop* network_loop_;