Show details section in supervised user interstitial only if feedback is enabled.

In all other cases, the details section does not contain actionable information.

Also, update the block message per UI review.

Bug: 736043
Change-Id: Ib6cae1ac04f4af97398ea0bf6c5f16676d79f382
Reviewed-on: https://chromium-review.googlesource.com/566959
Reviewed-by: Marc Treib <[email protected]>
Commit-Queue: Bernhard Bauer <[email protected]>
Cr-Commit-Position: refs/heads/master@{#485667}
diff --git a/components/supervised_user_error_page_strings.grdp b/components/supervised_user_error_page_strings.grdp
index e8c4362..5798f26 100644
--- a/components/supervised_user_error_page_strings.grdp
+++ b/components/supervised_user_error_page_strings.grdp
@@ -11,13 +11,13 @@
         Ask your parent
       </message>
       <message name="IDS_BLOCK_INTERSTITIAL_HEADER_ACCESS_REQUESTS_DISABLED" desc="A heading for the supervised user when they attempt to visit a site that is not permitted by the manager (and they can't ask for permission).">
-        Looks like you don't have permission to visit this site
+        You don't have permission to visit this site
       </message>
       <message name="IDS_BLOCK_INTERSTITIAL_HEADER_NOT_SIGNED_IN" desc="A heading for the supervised user when the status cannot be established because they haven't signed in to Chrome).">
         Please start and sign in to Chrome before using this app.
       </message>
       <message name="IDS_CHILD_BLOCK_INTERSTITIAL_MESSAGE" desc="A message for the child user when they attempt to visit a site that is not permitted by their parent.">
-        Looks like you need permission to visit this site
+        You need permission to visit this site
       </message>
       <message name="IDS_BLOCK_INTERSTITIAL_MESSAGE_SUPERVISED_USERS_DEPRECATED" desc="Message to be shown to a supervised user directing them to the supervisor.">
         Questions? Contact the person who supervises your profile.