Chromoting: Implemented security attention sequence (SAS) emulation on Windows.

remoting/host/host_service_win.cc

Index: remoting/host/host_service_win.cc
diff --git a/remoting/host/host_service_win.cc b/remoting/host/host_service_win.cc
index 66bfa096fcd27c56e1715595e64a462279c4316c..a404e6ed5961ad6189d45889aee70650a8454c9f 100644
--- a/remoting/host/host_service_win.cc
+++ b/remoting/host/host_service_win.cc
@@ -20,6 +20,7 @@
 #include "base/message_loop.h"
 #include "base/path_service.h"
 #include "base/stringprintf.h"
+#include "base/threading/thread.h"
 #include "base/utf_string_conversions.h"
 #include "base/win/wrapped_window_proc.h"
 
@@ -45,6 +46,8 @@ const DWORD kServiceStopTimeoutMs = 30 * 1000;
 // Session id that does not represent any session.
 const uint32 kInvalidSession = 0xffffffff;
 
+const char kIoThreadName[] = "I/O thread";
+
 // A window class for the session change notifications window.
 static const char kSessionNotificationWindowClass[] =
   "Chromoting_SessionNotificationWindow";
@@ -351,7 +354,16 @@ int HostService::Run() {
 }
 
 void HostService::RunMessageLoop() {
-  WtsSessionProcessLauncher launcher(this, host_binary_);
+  // Launch the I/O thread.
+  base::Thread io_thread(kIoThreadName);
+  base::Thread::Options io_thread_options(MessageLoop::TYPE_IO, 0);
+  if (!io_thread.StartWithOptions(io_thread_options)) {
+    shutting_down_ = true;
+    stopped_event_.Signal();
+    return;
+  }
+
+  WtsSessionProcessLauncher launcher(this, host_binary_, &io_thread);
 
   // Run the service.
   message_loop_->Run();