Added support of Secure Attention Sequence in multiprocess mode.

remoting/host/desktop_process.h

Index: remoting/host/desktop_process.h
diff --git a/remoting/host/desktop_process.h b/remoting/host/desktop_process.h
index e95971ee00067a7a1a13ad2fdaaad441a1d29e9b..a79f27f5f04cd1bf52549053a4fdc211f3bc35d9 100644
--- a/remoting/host/desktop_process.h
+++ b/remoting/host/desktop_process.h
@@ -12,6 +12,7 @@
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "ipc/ipc_listener.h"
+#include "remoting/host/desktop_session_agent.h"
 
 namespace IPC {
 class ChannelProxy;
@@ -22,12 +23,17 @@ namespace remoting {
 class AutoThreadTaskRunner;
 class DesktopSessionAgent;
 
-class DesktopProcess : public IPC::Listener {
+class DesktopProcess : public DesktopSessionAgent::Delegate,
+                       public IPC::Listener {
  public:
   DesktopProcess(scoped_refptr<AutoThreadTaskRunner> caller_task_runner,
                  const std::string& daemon_channel_name);
   virtual ~DesktopProcess();
 
+  // DesktopSessionAgent::Delegate implementation.
+  virtual void OnNetworkProcessDisconnected() OVERRIDE;
+  virtual void InjectSas() OVERRIDE;
+
   // IPC::Listener implementation.
   virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE;
   virtual void OnChannelConnected(int32 peer_pid) OVERRIDE;