Add eye-slash icon to confidential issues

app/helpers/issues_helper.rb

@@ -98,6 +98,10 @@ module IssuesHelper
     end.sort.to_sentence(last_word_connector: ', or ')
   end
 
+  def confidential_icon(issue)
+    icon('eye-slash') if issue.confidential?
+  end
+
   def emoji_icon(name, unicode = nil, aliases = [])
     unicode ||= Emoji.emoji_filename(name) rescue ""
 

app/views/projects/issues/_issue.html.haml

@@ -5,6 +5,7 @@
 
   .issue-title
     %span.issue-title-text
+      = confidential_icon(issue)
       = link_to_gfm issue.title, issue_path(issue), class: "title"
     %ul.controls.light
       - if issue.closed?

app/views/projects/issues/show.html.haml

@@ -22,6 +22,7 @@
       = icon('angle-double-left')
 
     .issue-meta
+      = confidential_icon(@issue)
       %strong.identifier
         Issue ##{@issue.iid}
       %span.creator

app/views/search/results/_issue.html.haml

@@ -1,5 +1,6 @@
 .search-result-row
   %h4
+    = confidential_icon(issue)
     = link_to [issue.project.namespace.becomes(Namespace), issue.project, issue] do
       %span.term.str-truncated= issue.title
     .pull-right ##{issue.iid}

app/views/shared/milestones/_issuable.html.haml

@@ -10,6 +10,8 @@
       %strong #{project.name} ·
     - elsif show_full_project_name
       %strong #{project.name_with_namespace} ·
+    - if issuable.is_a?(Issue)
+      = confidential_icon(issuable)
     = link_to_gfm issuable.title, [project.namespace.becomes(Namespace), project, issuable], title: issuable.title
   %div{class: 'issuable-detail'}
     = link_to [project.namespace.becomes(Namespace), project, issuable] do