[Chromoting] Make the Windows host controller ask the user to confirm host registration.

remoting/host/elevated_controller_module_win.cc

Index: remoting/host/elevated_controller_module_win.cc
diff --git a/remoting/host/elevated_controller_module_win.cc b/remoting/host/elevated_controller_module_win.cc
index 9d6442b14b0634534411efcca97d5b407e7cf3aa..c493e764e08e6d3ec2cb51951b26dc150cf72b59 100644
--- a/remoting/host/elevated_controller_module_win.cc
+++ b/remoting/host/elevated_controller_module_win.cc
@@ -28,9 +28,13 @@ class ElevatedControllerModuleWin
 
 remoting::ElevatedControllerModuleWin _AtlModule;
 
-int WINAPI WinMain(HINSTANCE, HINSTANCE, LPSTR, int command) {
+HINSTANCE g_instance = NULL;
+
+int WINAPI WinMain(HINSTANCE instance, HINSTANCE, LPSTR, int command) {
   CommandLine::Init(0, NULL);
 
+  g_instance = instance;
+
   // This object instance is required by Chrome code (for example,
   // FilePath, LazyInstance, MessageLoop).
   base::AtExitManager exit_manager;