add 'switch to desktop' prompt for apps

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 76516f6b79c6aa4e2bb16b44429c4492956dd776..c8bfe1b2d29acfcff392a4ee651ffc52199a6bef 100644
--- a/chrome/app/generated_resources.grd
+++ b/chrome/app/generated_resources.grd
@@ -15293,6 +15293,10 @@ Do you accept?
              desc="Modal message box prompt shown to the user after requesting to relaunch in Windows 8 mode while packaged apps are running, which will require all packaged apps to be closed. Dialog is shown with choices: OK, Cancel.">
       Relaunching in Windows 8 mode will close your Chrome apps.
     </message>
+    <message name="IDS_WIN8_PROMPT_TO_CLOSE_APPS_FOR_DESKTOP"
+             desc="Modal message box prompt shown to the user after requesting to relaunch in Desktop mode while packaged apps are running, which will require all packaged apps to be closed. Dialog is shown with choices: OK, Cancel.">
+      Relaunching in Desktop mode will close your Chrome apps.
+    </message>
 
     <!-- Media Galleries. -->
     <message name="IDS_MEDIA_GALLERIES_DIALOG_HEADER" desc="Header for media gallery permissions dialog.">