Count number of origins with data affected by clearing "cookies and site data".

components/browsing_data_strings.grdp

Index: components/browsing_data_strings.grdp
diff --git a/components/browsing_data_strings.grdp b/components/browsing_data_strings.grdp
index 9de1c82cc1adf2db4e7d884f20578ebf9a5c4b66..744a4e684bea0c6c8f1c96115f593761cedf9ff9 100644
--- a/components/browsing_data_strings.grdp
+++ b/components/browsing_data_strings.grdp
@@ -1,6 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <grit-part>
-  
   <!-- Clear Browsing Data counters-->
   <message name="IDS_CLEAR_BROWSING_DATA_CALCULATING" desc="A text that is shown while the data volume is being counted.">
     Calculating...
@@ -66,6 +65,12 @@
   <message name="IDS_DEL_COOKIES_COUNTER" desc="A static message shown in the Clear Browsing Data dialog explaining to the user that deleting cookies and site data will result in the user being signed out of most websites.">
     This will sign you out of most websites.
   </message>
+  <message name="IDS_DEL_COOKIES_COUNTER_ADVANCED" desc="A counter showing the number of sites that use cookies.">
+    {COUNT, plural,
+      =0 {No cookies}
+      =1 {1 site uses cookies. }
+      other {# sites use cookies. }}
+  </message>
   <message name="IDS_DEL_DOWNLOADS_COUNTER" desc="A counter showing how many items of downloads history the user has.">
     {COUNT, plural,
      =0 {none}
@@ -90,4 +95,4 @@
   <message name="IDS_DEL_MEDIA_LICENSES_COUNTER_SITE_COMMENT" desc="A message shown in the Clear Browsing Data dialog explaining to the user that clearing media licenses will result in the user being unable to play some premium content from at least one specific web site">
      You may lose access to premium content from <ph name="SITE">$1<ex>youtube.com</ex></ph> and some other sites.
   </message>
-</grit-part>
+</grit-part>