Provides more types of errors for output status.

ash/ash_strings.grd

Index: ash/ash_strings.grd
diff --git a/ash/ash_strings.grd b/ash/ash_strings.grd
index 41780557bfe69bf83cb94c20b04c17096f1f6435..4163c3fa2adbbe6c66beed4fc8863fbdfc6d099a 100644
--- a/ash/ash_strings.grd
+++ b/ash/ash_strings.grd
@@ -568,6 +568,12 @@ Press Shift + Alt to switch.
       <message name="IDS_ASH_DISPLAY_FAILURE_ON_MIRRORING" desc="An error message to show that the system failed to enter the mirroring mode.">
 	Can't duplicate image on attached monitors. No matching resolution found.
       </message>
+      <message name="IDS_ASH_DISPLAY_FAILURE_ON_EXTENDED" desc="An error message to show that the system failed to enter the extended desktop mode.">
+	Can't create extended desktop. No output mode found.

[oshima, 2013/02/14 00:01:50]

Could not find a valid resolution for monitor <monitor name>

[Jun Mukai, 2013/02/14 00:54:03]

Usually <monitor name> would be unavailable when this type of error happens. I
suspect that the monitor is even invisible at gfx level.

+      </message>
+      <message name="IDS_ASH_DISPLAY_FAILURE_UNKNOWN" desc="An error message to show that the system failed to enter a wrong output mode.">
+	Can't enter the new output status.
+      </message>
       <message name="IDS_ASH_INTERNAL_DISPLAY_NAME" desc="The name of the internal display which is shown in the display settings.">
 	Internal Display
       </message>