MD Settings: Internet: Fix Proxy UI

chrome/browser/resources/settings/internet_page/network_proxy_input.html

 <link rel="import" href="chrome://resources/html/polymer.html">
 <link rel="import" href="chrome://resources/polymer/v1_0/iron-input/iron-input.html">
 <link rel="import" href="chrome://resources/polymer/v1_0/paper-input/paper-input-container.html">
 <link rel="import" href="internet_shared_css.html">
 
 <dom-module id="network-proxy-input">
   <template>
     <style include="internet-shared">
       paper-input-container {
         -webkit-margin-start: 10px;
         margin-bottom: -12px;
         margin-top: -8px;
       }
 
       #port {
         width: 50px;
       }
     </style>
     <div class="layout horizontal center">
       <div class="flex">[[label]]</div>
       <paper-input-container no-label-float>
-        <input is="iron-input" bind-value="{{value.Host}}" disabled="[[!editable]]"
-            on-blur="onValueChange_">
+        <input is="iron-input" bind-value="{{value.Host}}"
+            disabled="[[!editable]]" on-change="onValueChange_">
       </paper-input-container>
       <div>$i18n{networkProxyPort}</div>
       <paper-input-container no-label-float id="port">
-        <input is="iron-input" bind-value="{{value.Port}}" disabled="[[!editable]]"
-            on-blur="onValueChange_">
+        <input is="iron-input" bind-value="{{value.Port}}"
+            disabled="[[!editable]]" on-change="onValueChange_">
       </paper-input-container>
     </div>
   </template>
   <script src="network_proxy_input.js"></script>
 </dom-module>