Add support for a virtual display on ChromeOS

ui/display/chromeos/display_util.cc

Index: ui/display/chromeos/display_util.cc
diff --git a/ui/display/chromeos/display_util.cc b/ui/display/chromeos/display_util.cc
index 212144cf20740c297d7d081a20cddd4bbc0c5934..a81774ec38ec718afca16ad2abde31aafad0ef64 100644
--- a/ui/display/chromeos/display_util.cc
+++ b/ui/display/chromeos/display_util.cc
@@ -56,6 +56,7 @@ int GetDisplayPower(
     bool internal =
         display_states[i].display->type() == DISPLAY_CONNECTION_TYPE_INTERNAL;
     bool on =
+        display_states[i].display->type() == DISPLAY_CONNECTION_TYPE_VIRTUAL ||
         state == chromeos::DISPLAY_POWER_ALL_ON ||
         (state == chromeos::DISPLAY_POWER_INTERNAL_OFF_EXTERNAL_ON &&
          !internal) ||
@@ -68,4 +69,9 @@ int GetDisplayPower(
   return num_on_displays;
 }
 
+bool IsPhysicalDisplayType(ui::DisplayConnectionType type) {
+  return !(type &
+           (DISPLAY_CONNECTION_TYPE_NETWORK | DISPLAY_CONNECTION_TYPE_VIRTUAL));
+}
+
 }  // namespace ui