Browser side support (sans UI) for desktop notifications....

chrome/app/generated_resources.grd

 <?xml version="1.0" encoding="UTF-8"?>
 
 <!-- This file contains definitions of resources that will be translated for
 each locale. -->
 
 <grit base_dir="." latest_public_release="0" current_release="1"
       source_lang_id="en" enc_check="möl">
   <outputs>
     <output filename="grit/generated_resources.h" type="rc_header">
       <emit emit_type='prepend'></emit>
@@ skipping 5315 matching lines @@
       </message>
 
       <!-- Bookmarks bar strings -->
       <message name="IDS_SYNC_BOOKMARK_BAR_ERROR" desc="The text to display on the bookmark bar button which indicates a sync error.">
         Sync Error
       </message>
       <message name="IDS_SYNC_BOOKMARK_BAR_ERROR_DESC" desc="The detailed description of the error to associate with the bookmark bar error button.">
         Your login details are out of date. Click to re-enter your password.
       </message>
 
+      <!-- Desktop notifications -->
+      <message name="IDS_NOTIFICATION_BALLOON_DISMISS_LABEL" desc="Text on the button which dismisses the balloon.">
+        Dismiss
+      </message>
+      <message name="IDS_NOTIFICATION_BALLOON_SOURCE_LABEL" desc="Text which labels the balloon with the source origin.">
+        from <ph name="SOURCE_ORIGIN">$1</ph>
+      </message>
+      <message name="IDS_NOTIFICATION_PERMISSION_YES" desc="The label of the 'allow' button on the notification permission infobar.">
+        Allow
+      </message>
+      <message name="IDS_NOTIFICATION_PERMISSION_NO" desc="The label of the 'deny' button on the notification permission infobar.">
+        Deny
+      </message>
+
       <!-- Mac Menubar Menus -->
       <if expr="os == 'darwin'">
         <!-- Menubar Menu Titles -->
         <!-- NOTE: Some of these exist in context menus with Title Case support, but we use different IDs in case we need slightly different strings in some language due to the different context. -->
         <message name="IDS_FILE_MENU_MAC" desc="The menu title of the Mac file menu.">
           File
         </message>
         <message name="IDS_EDIT_MENU_MAC" desc="The menu title of the Mac edit menu.">
           Edit
         </message>
@@ skipping 333 matching lines @@
         Calculating remaining time
       </message>
       <message name="IDS_STATUSBAR_BATTERY_IS_CHARGED" desc="In the power menu button, the battery is charged message.">
         Battery is charged
       </message>
     </if>
 
     </messages>
   </release>
 </grit>