diff --git a/core/modules/toolbar/css/toolbar.base.css b/core/modules/toolbar/css/toolbar.base.css
index 33fb0d5..4f501a7 100644
--- a/core/modules/toolbar/css/toolbar.base.css
+++ b/core/modules/toolbar/css/toolbar.base.css
@@ -24,7 +24,7 @@ body.toolbar {
   text-align: left; /* LTR */
   -webkit-text-size-adjust: none;
   -webkit-touch-callout: none;
-  -webkit-user-select: none;
+  /*-webkit-user-select: none;*/
   vertical-align: baseline;
 }
 #toolbar {
diff --git a/core/modules/toolbar/js/toolbar.js b/core/modules/toolbar/js/toolbar.js
index 94afb90..1521c9d 100644
--- a/core/modules/toolbar/js/toolbar.js
+++ b/core/modules/toolbar/js/toolbar.js
@@ -17,6 +17,7 @@ Drupal.behaviors.toolbar = {
       var $bar = $toolbar.find('.toolbar-bar');
       var $tray = $toolbar.find('.toolbar-tray');
       var $trigger = $toolbar.find('.toggle-tray');
+      var $toolbarFilter = $tray.find('.form-type-search');
       // Instanstiate the bar.
       if ($bar.length) {
         ToolBar.bar = new ToolBar($bar);
@@ -25,6 +26,9 @@ Drupal.behaviors.toolbar = {
       if ($tray.length && $trigger.length) {
         ToolBar.tray = new TraySlider($tray, $trigger);
       }
+      if ($toolbarFilter.length) {
+        toolbarFilter();
+      }
     }
   }
 };
@@ -318,6 +322,128 @@ $.extend(TraySlider.prototype, {
   }
 });
 
+/**
+ * Apply the search bar functionality.
+ */
+function toolbarFilter() {
+  // Target toolbar
+  var $toolbar = $('#toolbar')
+  // @todo Add a HTML ID.
+  var $input = $('input.filter', $toolbar);
+  // Initialize the current search needle.
+  var needle = $input.val();
+  // Cache of all links that can be matched in the menu.
+  var links;
+  // Minimum search needle length.
+  var needleMinLength = 2;
+  // Append the results container.
+  var $results = $('<div />').insertAfter($input);
+
+  /**
+   * Executes the search upon user input.
+   */
+  function keyupHandler() {
+    var matches, $html, value = $(this).val();
+    // Only proceed if the search needle has changed.
+    if (value !== needle) {
+      needle = value;
+      // Initialize the cache of menu links upon first search.
+      if (!links && needle.length >= needleMinLength) {
+        // @todo Limit to links in dropdown menus; i.e., skip menu additions.
+        links = buildSearchIndex($toolbar.find('li a'));
+      }
+      // Empty results container when deleting search text.
+      if (needle.length < needleMinLength) {
+        $results.empty();
+      }
+      // Only search if the needle is long enough.
+      if (needle.length >= needleMinLength && links) {
+        matches = findMatches(needle, links);
+        // Build the list in a detached DOM node.
+        $html = buildResultsList(matches);
+        // Display results.
+        $results.empty().append($html);
+      }
+    }
+  }
+
+  /**
+   * Builds the search index.
+   */
+  function buildSearchIndex($links) {
+    return $links
+      .map(function () {
+        var text = (this.textContent || this.innerText);
+        // Skip menu entries that do not contain any text (e.g., the icon).
+        if (typeof text === 'undefined') {
+          return;
+        }
+        return {
+          text: text,
+          textMatch: text.toLowerCase(),
+          element: this
+        };
+      });
+  }
+
+  /**
+   * Searches the index for a given needle and returns matching entries.
+   */
+  function findMatches(needle, links) {
+    var needleMatch = needle.toLowerCase();
+    // Select matching links from the cache.
+    return $.grep(links, function (link) {
+      return link.textMatch.indexOf(needleMatch) !== -1;
+    });
+  }
+
+  /**
+   * Builds the search result list in a detached DOM node.
+   */
+  function buildResultsList(matches) {
+    var $html = $('<ul class="dropdown admin-menu-search-results" />');
+    $.each(matches, function () {
+      var result = this.text;
+      var $element = $(this.element);
+
+      // Check whether there is a top-level category that can be prepended.
+      var $category = $element.closest('nav.toolbar-menu ul > li > div');
+      var categoryText = $category.find('> a').text()
+      if ($category.length && categoryText) {
+        result = categoryText + ': ' + result;
+      }
+
+      var $result = $('<li><a href="' + $element.attr('href') + '">' + result + '</a></li>');
+      $result.data('original-link', $(this.element).parent());
+      $html.append($result);
+    });
+    return $html;
+  }
+
+  /**
+   * Highlights selected result.
+   */
+  function resultsHandler(e) {
+    var $this = $(this);
+    var show = e.type === 'mouseenter' || e.type === 'focusin';
+    $this.trigger(show ? 'showPath' : 'hidePath', [this]);
+  }
+
+  /**
+   * Closes the search results and clears the search input.
+   */
+  function resultsClickHandler(e, link) {
+    var $original = $(this).data('original-link');
+    $original.trigger('mouseleave');
+    $input.val('').trigger('keyup');
+  }
+
+  // Hide the result list after a link has been clicked, useful for overlay.
+  $results.delegate('li', 'click', resultsClickHandler);
+    // Attach the search input event handler.
+  $input.bind('keyup search', keyupHandler);
+};
+
 // Assign the ToolBar obect to the Drupal namespace.
 Drupal.ToolBar = ToolBar;
 }(jQuery));