[CUPS] Update UI for CUPS printing notifications.

chrome/app/chromeos_strings.grdp

Index: chrome/app/chromeos_strings.grdp
diff --git a/chrome/app/chromeos_strings.grdp b/chrome/app/chromeos_strings.grdp
index 8463c7b906895daf306c597589ab4fd1f83275bc..6e296ebc50e37832ad3f6cb7d6e20cf4d100b39a 100644
--- a/chrome/app/chromeos_strings.grdp
+++ b/chrome/app/chromeos_strings.grdp
@@ -6679,14 +6679,20 @@ All users must sign out to continue.
   </message>
 
   <!-- Print Job Notification -->
-  <message name="IDS_PRINT_JOB_PRINTING_NOTIFICATION_MESSAGE" desc="Message of the printing-in-progress notification.">
-    Now printing <ph name="PAGE_NUMBER">$1<ex>5</ex></ph> pages to <ph name="PRINTER_NAME">$2<ex>printer</ex></ph>
+  <message name="IDS_PRINT_JOB_PRINTING_NOTIFICATION_TITLE" desc="Title of the printing-in-progress notification.">
+    Now printing <ph name="DOCUMENT_NAME">$1<ex>document.pdf</ex></ph>
   </message>
-  <message name="IDS_PRINT_JOB_DONE_NOTIFICATION_MESSAGE" desc="Message of the successful printing notitification.">
-    Successfully printed <ph name="PAGE_NUMBER">$1<ex>5</ex></ph> pages to <ph name="PRINTER_NAME">$2<ex>printer</ex></ph>
+  <message name="IDS_PRINT_JOB_DONE_NOTIFICATION_TITLE" desc="Title of the successful printing notification.">
+    Successfully printed <ph name="DOCUMENT_NAME">$1<ex>document.pdf</ex></ph>
   </message>
-  <message name="IDS_PRINT_JOB_ERROR_NOTIFICATION_MESSAGE" desc="Message of the error printing notification.">
-    Error printing <ph name="PAGE_NUMBER">$1<ex>5</ex></ph> pages to <ph name="PRINTER_NAME">$2<ex>printer</ex></ph>
+  <message name="IDS_PRINT_JOB_ERROR_NOTIFICATION_TITLE" desc="Title of the error printing notification.">
+    Error printing <ph name="DOCUMENT_NAME">$1<ex>document.pdf</ex></ph>
+  </message>
+  <message name="IDS_PRINT_JOB_NOTIFICATION_MESSAGE" desc="Message of the print job notification.">
+    <ph name="PAGE_NUMBER">$1<ex>5</ex></ph> pages to <ph name="PRINTER_NAME">$2<ex>printer</ex></ph>
+  </message>
+  <message name="IDS_PRINT_JOB_NOTIFICATION_SINGLE_PAGE_MESSAGE" desc="Message of the print job notification for a single page.">
+    1 page to <ph name="PRINTER_NAME">$2<ex>printer</ex></ph>
   </message>
   <message name="IDS_PRINT_JOB_NOTIFICATION_CANCEL_BUTTON" desc="Text on the button for the user to cancel the current print job.">
     Cancel printing