Make initial focus consistent in all instances of cr-drawer.

ui/webui/resources/cr_elements/cr_drawer/cr_drawer.html

Index: ui/webui/resources/cr_elements/cr_drawer/cr_drawer.html
diff --git a/ui/webui/resources/cr_elements/cr_drawer/cr_drawer.html b/ui/webui/resources/cr_elements/cr_drawer/cr_drawer.html
index dfca072c1682d06b2902edf4036ec4250c33fbef..1b1bbe490eb56cbf146430c06fd12f6c7ac3f1ea 100644
--- a/ui/webui/resources/cr_elements/cr_drawer/cr_drawer.html
+++ b/ui/webui/resources/cr_elements/cr_drawer/cr_drawer.html
@@ -54,13 +54,14 @@
         opacity: 1;
       }
 
-      :host ::content .drawer-header {
+      .drawer-header {
         -webkit-padding-start: 24px;
         align-items: center;
         border-bottom: var(--cr-separator-line);
         display: flex;
         font-size: 123.08%; /* go to 16px from 13px */
         min-height: 56px;
+        outline: none;
       }
 
       :host ::content .drawer-content {
@@ -69,6 +70,7 @@
       }
     </style>
     <div id="container" on-tap="onContainerTap_">
+      <div class="drawer-header" tabindex="-1">[[title]]</div>
       <content></content>
     </div>
   </template>