Expose the Website Settings page in the Content Setting page if it is enabled via flag.

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 12e2a14a150130c4999724b0ab7e023681976085..56b8fdfcfb89774ade841db80af71bc257656beb 100644
--- a/chrome/app/generated_resources.grd
+++ b/chrome/app/generated_resources.grd
@@ -7943,7 +7943,7 @@ Keep your key file in a safe place. You will need it to create new versions of y
         Knows device location
       </message>
       <message name="IDS_WEBSITE_SETTINGS_MANAGE" desc="The label on the button that launches the Websites Settings dialog.">
-        Manage sites...
+        Manage...
       </message>
       <message name="IDS_WEBSITE_SETTINGS_MEDIASTREAM_DESCRIPTION" desc="Label for granting mediastream permission on the Website Settings single site view dialog.">
         Uses camera and microphone
@@ -7975,6 +7975,9 @@ Keep your key file in a safe place. You will need it to create new versions of y
       <message name="IDS_WEBSITE_SETTINGS_BATTERY_PERCENT" desc="The percent from 0 to 100 of battery consumption from a given origin or app on the Website Settings dialog.">
         <ph name="VALUE">$1<ex>100</ex></ph>%
       </message>
+      <message name="IDS_WEBSITE_SETTINGS_ALLOWED_LIST_TITLE" desc="Label above the list of allowed origins for a given permission on the Website Settings dialog.">
+        Allowed
+      </message>
       <message name="IDS_WEBSITE_SETTINGS_BLOCKED_LIST_TITLE" desc="Label above the list of blocked origins for a given permission on the Website Settings dialog.">
         Blocked
       </message>