Notifications in sensitive contexts now display origin + small icon

chrome/android/java/strings/android_chrome_strings.grd

Index: chrome/android/java/strings/android_chrome_strings.grd
diff --git a/chrome/android/java/strings/android_chrome_strings.grd b/chrome/android/java/strings/android_chrome_strings.grd
index fc9b1ae3d6508f55407e8ccbb1b86fe9ed02cb4c..c97aa5739db1a27d2abfa53e9b70ecc45e7c96b6 100644
--- a/chrome/android/java/strings/android_chrome_strings.grd
+++ b/chrome/android/java/strings/android_chrome_strings.grd
@@ -1648,6 +1648,9 @@ To obtain new licenses, connect to the internet and play your downloaded content
       </message>
 
       <!-- Web Notifications API -->
+      <message name="IDS_NOTIFICATION_HIDDEN_TEXT" desc="Text shown in place of notification contents when the notification's contents have been hidden on a secure lockscreen [CHAR-LIMIT=32]">
+        Contents hidden
+      </message>
       <message name="IDS_NOTIFICATION_SITE_SETTINGS_BUTTON" desc="Text of a button shown on notifications, that opens the Site Settings of the website that showed the notification. (If it isn't possible to fit within the char limit, the string will be ellipsized if 3 buttons are shown side by side, so try to ensure that the user can guess the meaning from the first 8 characters). [CHAR-LIMIT=9]">
         Settings
       </message>