Shows the display info as a popup when a new display is connected.

ash/ash_strings.grd

Index: ash/ash_strings.grd
diff --git a/ash/ash_strings.grd b/ash/ash_strings.grd
index 72bb13b9dec1001469dd6056133ae3ec873cec67..65cc5a6c8ccf84a21d2337db9711e447cba14f5e 100644
--- a/ash/ash_strings.grd
+++ b/ash/ash_strings.grd
@@ -312,6 +312,15 @@ Press Ctrl+Alt+Z to disable.
       <message name="IDS_ASH_STATUS_TRAY_DISPLAY_EXTENDED" desc="The label used in the tray to show that the current status is extended.">
 	Extending screen to <ph name="DISPLAY_NAME">$1</ph>
       </message>
+      <message name="IDS_ASH_STATUS_TRAY_DISPLAY_MIRRORING_NO_INTERNAL" desc="The label used in the tray to show that the current status is mirroring and the device doesn't have the internal display.">
+	Mirroring
+      </message>
+      <message name="IDS_ASH_STATUS_TRAY_DISPLAY_EXTENDED_NO_INTERNAL" desc="The label used in the tray to show that the current status is extended and the device doesn't have the internal display.">
+	Extending screen
+      </message>
+      <message name="IDS_ASH_STATUS_TRAY_DISPLAY_DOCKED" desc="The label used in the tray to show that the current status is docked mode.">
+	Docked mode with <ph name="DISPLAY_NAME">$1</ph>
+      </message>
       <message name="IDS_ASH_STATUS_TRAY_UNKNOWN_DISPLAY_NAME" desc="Label shown in tray for a display whose name is unknown.">
 	Unknown Display
       </message>