Merge branch '24146-add-focus-state' into 'master'

24146 Add focus state to buttons and dropdowns

## What does this MR do?
Adds focus state to buttons and dropdowns

## Are there points in the code the reviewer needs to double check?
All focus states of buttons and dropdowns :)

## Why was this MR needed?
Improve accessibility

## Screenshots (if relevant)
Before:
![Screen_Shot_2016-11-07_at_4.30.31_PM](/uploads/8db2ac5e225c78495797180faf7bdb28/Screen_Shot_2016-11-07_at_4.30.31_PM.png)
After:
![Screen_Shot_2016-11-07_at_4.30.16_PM](/uploads/4a81810cafe3063eef02b7bc87f8ce69/Screen_Shot_2016-11-07_at_4.30.16_PM.png)

## Does this MR meet the acceptance criteria?

- [ ] [Changelog entry](https://docs.gitlab.com/ce/development/changelog.html) added
- [ ] [Documentation created/updated](https://gitlab.com/gitlab-org/gitlab-ce/blob/master/doc/development/doc_styleguide.md)
- [ ] API support added
- Tests
  - [ ] Added for this feature/bug
  - [ ] All builds are passing
- [ ] Conform by the [merge request performance guides](http://docs.gitlab.com/ce/development/merge_request_performance_guidelines.html)
- [ ] Conform by the [style guides](https://gitlab.com/gitlab-org/gitlab-ce/blob/master/CONTRIBUTING.md#style-guides)
- [ ] Branch has no merge conflicts with `master` (if it does - rebase it please)
- [ ] [Squashed related commits together](https://git-scm.com/book/en/Git-Tools-Rewriting-History#Squashing-Commits)

## What are the relevant issue numbers?
Closes #24146

See merge request !7347

app/assets/javascripts/application.js

@@ -193,9 +193,6 @@
       e.preventDefault();
       return new ConfirmDangerModal(form, text);
     });
-    $document.on('click', 'button', function () {
-      return $(this).blur();
-    });
     $('input[type="search"]').each(function () {
       var $this = $(this);
       $this.attr('value', $this.val());

app/assets/stylesheets/framework/buttons.scss

@@ -6,7 +6,6 @@
 
   &:focus,
   &:active {
-    outline: none;
     background-color: $btn-active-gray;
     box-shadow: $gl-btn-active-background;
   }
@@ -267,10 +266,6 @@
       outline: none;
     }
 
-    &:focus {
-      outline: none;
-    }
-
     &:active {
       outline: none;
     }

app/assets/stylesheets/framework/dropdowns.scss

@@ -38,7 +38,6 @@
   text-align: left;
   border: 1px solid $border-color;
   border-radius: $border-radius-base;
-  outline: 0;
   text-overflow: ellipsis;
   white-space: nowrap;
   overflow: hidden;
@@ -55,6 +54,10 @@
     }
   }
 
+  &.no-outline {
+    outline: 0;
+  }
+
   &:hover, {
     border-color: $dropdown-toggle-hover-border-color;
 

app/assets/stylesheets/framework/header.scss

@@ -100,10 +100,6 @@ header {
       &:hover {
         background-color: $btn-gray-hover;
       }
-
-      &:focus {
-        outline: none;
-      }
     }
   }
 

app/assets/stylesheets/framework/nav.scss

@@ -58,7 +58,6 @@
       &:active,
       &:focus {
         text-decoration: none;
-        outline: none;
       }
     }
 

app/assets/stylesheets/framework/sidebar.scss

@@ -83,7 +83,6 @@
       display: block;
       text-decoration: none;
       font-weight: normal;
-      outline: none;
 
       &:hover,
       &:active,

app/assets/stylesheets/pages/merge_conflicts.scss

@@ -228,7 +228,6 @@ $colors: (
       position: absolute;
       right: 10px;
       padding: 0;
-      outline: none;
       color: #fff;
       width: 75px; // static width to make 2 buttons have same width
       height: 19px;

app/assets/stylesheets/pages/search.scss

@@ -31,7 +31,6 @@
     padding-right: 20px;
     border: none;
     font-size: 14px;
-    outline: none;
     padding: 0;
     margin-left: 5px;
     line-height: 25px;
@@ -229,6 +228,5 @@
   &:hover,
   &:focus {
     color: $gl-link-color;
-    outline: none;
   }
 }

app/views/layouts/_search.html.haml

@@ -13,7 +13,7 @@
         .location-badge= label
       .search-input-wrap
         .dropdown{ data: { url: search_autocomplete_path } }
-          = search_field_tag 'search', nil, placeholder: 'Search', class: 'search-input dropdown-menu-toggle js-search-dashboard-options', spellcheck: false, tabindex: '1', autocomplete: 'off', data: { toggle: 'dropdown', issues_path: issues_dashboard_url, mr_path: merge_requests_dashboard_url }
+          = search_field_tag 'search', nil, placeholder: 'Search', class: 'search-input dropdown-menu-toggle no-outline js-search-dashboard-options', spellcheck: false, tabindex: '1', autocomplete: 'off', data: { toggle: 'dropdown', issues_path: issues_dashboard_url, mr_path: merge_requests_dashboard_url }
           .dropdown-menu.dropdown-select
             = dropdown_content do
               %ul