MD Settings: convert paper-icon-button to paper-icon-button-light.

chrome/browser/resources/settings/people_page/user_list.html

Index: chrome/browser/resources/settings/people_page/user_list.html
diff --git a/chrome/browser/resources/settings/people_page/user_list.html b/chrome/browser/resources/settings/people_page/user_list.html
index ba5a87a4e01bb6f452818b5bfb7d365ab1fd5119..c8b0d124c84ba5f85c3d3cd0b1b9f14a7e15d0f9 100644
--- a/chrome/browser/resources/settings/people_page/user_list.html
+++ b/chrome/browser/resources/settings/people_page/user_list.html
@@ -3,7 +3,7 @@
 <link rel="import" href="chrome://resources/html/i18n_behavior.html">
 <link rel="import" href="chrome://resources/html/polymer.html">
 <link rel="import" href="chrome://resources/polymer/v1_0/iron-flex-layout/iron-flex-layout-classes.html">
-<link rel="import" href="chrome://resources/polymer/v1_0/paper-icon-button/paper-icon-button.html">
+<link rel="import" href="chrome://resources/polymer/v1_0/paper-icon-button/paper-icon-button-light.html">
 <link rel="import" href="../route.html">
 <link rel="import" href="../settings_shared_css.html">
 
@@ -33,6 +33,10 @@
       .user-info {
         -webkit-padding-start: 20px;
       }
+
+      [scrollable] .icon-clear {
+        background-color: transparent;

[stevenjb, 2017/05/03 23:58:59]

Ah. Hrm. I'd rather modify [scrollable] :focus in shared_style_css.html to
[scrollable] div:focus, but that should really be done in a separate CL.

+      }
     </style>
     <div class="user-list" scrollable>
       <template is="dom-repeat" items="[[users_]]">
@@ -44,10 +48,10 @@
               <div class="secondary">[[item.email]]</div>
             </template>
           </div>
-          <paper-icon-button icon="cr:clear" class="clear-icon"
+          <button is="paper-icon-button-light" class="icon-clear"
               on-tap="removeUser_"
               hidden="[[shouldHideCloseButton_(disabled, item.isOwner)]]">
-          </paper-icon-button>
+          </button>
         </div>
       </template>
     </div>