Add placeholder text for unsupported plug-ins.

chrome/app/generated_resources.grd

Index: chrome/app/generated_resources.grd
diff --git a/chrome/app/generated_resources.grd b/chrome/app/generated_resources.grd
index f6a4a7066fdc1a44f68516b4e0012d359d396c06..f758b4b009923e6bada61c8690b4cfbd74254b5b 100644
--- a/chrome/app/generated_resources.grd
+++ b/chrome/app/generated_resources.grd
@@ -7173,7 +7173,7 @@ Keep your key file in a safe place. You will need it to create new versions of y
       <message name="IDS_PLUGIN_UPDATE" desc="The link for updating an outdated plug-in.">
         Update plug-in...
       </message>
-      <message name="IDS_PLUGIN_NOT_SUPPORTED" desc="The placeholder text for a plug-in that can't run in Windows Metro mode.">
+      <message name="IDS_PLUGIN_NOT_SUPPORTED_METRO" desc="The placeholder text for a plug-in that can't run in Windows Metro mode.">
         This plug-in only works on the desktop.
       </message>
       <message name="IDS_PLUGIN_BLOCKED" desc="The placeholder text for a blocked plug-in.">
@@ -7188,6 +7188,9 @@ Keep your key file in a safe place. You will need it to create new versions of y
       <message name="IDS_PLUGIN_NOT_AUTHORIZED" desc="The placeholder text for a plug-in that requires user permission to run.">
         <ph name="PLUGIN_NAME">$1<ex>Java</ex></ph> needs your permission to run.
       </message>
+      <message name="IDS_PLUGIN_NOT_SUPPORTED" desc="The placeholder text for an unsupported plug-in.">
+        This plug-in is not supported.
+      </message>
       <message name="IDS_PLUGIN_NOT_FOUND" desc="The placeholder text for an unknown plug-in that is not installed.">
         No plug-in available to display this content.
       </message>