Add Xorg+dummy as alternative for Xvfb

remoting/host/curtain_mode_linux.cc

Index: remoting/host/curtain_mode_linux.cc
diff --git a/remoting/host/curtain_mode_linux.cc b/remoting/host/curtain_mode_linux.cc
index 05031bfec1b255b300d521dfde30b5686b785fa0..8ef81425a6da3708825904e4fd20394ae76be88b 100644
--- a/remoting/host/curtain_mode_linux.cc
+++ b/remoting/host/curtain_mode_linux.cc
@@ -61,6 +61,7 @@ bool CurtainModeLinux::IsXvfbSession() {
   XDeviceInfo* devices;
   bool found_xvfb_mouse = false;
   bool found_xvfb_keyboard = false;
+  bool found_crd_void_input = false;
   bool found_other_devices = false;
   devices = XListInputDevices(display, &num_devices);
   for (int i = 0; i < num_devices; i++) {
@@ -68,6 +69,9 @@ bool CurtainModeLinux::IsXvfbSession() {
     if (device_info->use == IsXExtensionPointer) {
       if (strcmp(device_info->name, "Xvfb mouse") == 0) {
         found_xvfb_mouse = true;
+      } else if (strcmp(device_info->name,
+                        "Chrome Remote Desktop Input") == 0) {
+        found_crd_void_input = true;
       } else if (strcmp(device_info->name, "Virtual core XTEST pointer") != 0) {
         found_other_devices = true;
         HOST_LOG << "Non Xvfb mouse found: " << device_info->name;

[Lambros, 2016/05/10 00:30:15]

Maybe "Non-virtual.." or "External.." or "Physical.." ?

[rkjnsn, 2016/05/10 20:04:07]

Done.

@@ -97,7 +101,8 @@ bool CurtainModeLinux::IsXvfbSession() {
   }
   XFreeDeviceList(devices);
   XCloseDisplay(display);
-  return found_xvfb_mouse && found_xvfb_keyboard && !found_other_devices;
+  return (found_xvfb_mouse && found_xvfb_keyboard || found_crd_void_input)
+      && !found_other_devices;
 }
 
 // static