Add task-page

appengine/swarming/elements/res/imp/botpage/bot-page.html

 <!--
   Copyright 2016 The LUCI Authors. All rights reserved.
   Use of this source code is governed under the Apache License, Version 2.0
   that can be found in the LICENSE file.
 
   This in an HTML Import-able file that contains the definition
   of the following elements:
 
     <bot-page>
 
@@ skipping 19 matching lines @@
 <link rel="import" href="/res/imp/bower_components/paper-button/paper-button.html">
 <link rel="import" href="/res/imp/bower_components/paper-checkbox/paper-checkbox.html">
 <link rel="import" href="/res/imp/bower_components/paper-dialog/paper-dialog.html">
 <link rel="import" href="/res/imp/bower_components/paper-input/paper-input.html">
 <link rel="import" href="/res/imp/bower_components/paper-tabs/paper-tabs.html">
 <link rel="import" href="/res/imp/bower_components/polymer/polymer.html">
 
 <link rel="import" href="/res/imp/common/error-toast.html">
 <link rel="import" href="/res/imp/common/single-page-style.html">
 <link rel="import" href="/res/imp/common/swarming-app.html">
+<link rel="import" href="/res/imp/common/task-behavior.html">
 <link rel="import" href="/res/imp/common/url-param.html">
 
 <link rel="import" href="bot-page-data.html">
 <link rel="import" href="bot-page-shared-behavior.html">
 
 
 <dom-module id="bot-page">
   <template>
-    <style include="iron-flex iron-flex-alignment iron-positioning swarming-app-style single-page-style">
+    <style include="iron-flex iron-flex-alignment iron-positioning swarming-app-style single-page-style task-style">
       .message {
         white-space: pre-line;
         font-family: monospace;
       }
 
       .bot_state {
         white-space: pre;
         font-family: monospace;
         margin-bottom: 10px;
       }
@@ skipping 399 matching lines @@
       },
 
       _toggleState: function() {
         this.set("_show_state", !this._show_state);
       }
 
     });
   })();
   </script>
 </dom-module>