LogDog Viewer: Link back to source build.

web/apps/logdog-view/elements/logdog-view/logdog-view.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.
 -->
 
 <link rel="import" href="../../inc/bower_components/polymer/polymer.html">
 
 <!-- Inline our main TypeScript -->
 <script src="../../scripts-ts/main.js"></script>
@@ skipping 45 matching lines @@
       display: inline-block;
       border: none;
     }
   </style>
 
   <div>
     <div id="banner">
       <span class="banner-content">
         <h1><a href="/">LogDog</a>
           <template is="dom-if" if="{{_hasStreams}}">
-            : [[streams]]
+            <template is="dom-if" if="{{streamLinkUrl}}">
+              : <a href="{{streamLinkUrl}}">[[streams]]</a>
+            </template>
+            <template is="dom-if" if="{{!streamLinkUrl}}">
+              : [[streams]]
+            </template>
           </template>
           <template is="dom-if" if="{{!_hasStreams}}">
             (No Streams Provided)
           </template>
         </h1>
       </span>
       <template is="dom-if" if="{{clientId}}">
         <span id="auth-bubble">
           <auth-signin
               client-id="[[clientId]]"></auth-signin>
         </span>
       </template>
     </div>
 
     <logdog-stream-view
       id="streamView"
       host="[[host]]"
       mobile="[[mobile]]"
       metadata="[[metadata]]"
-      streams="[[streams]]"></logdog-stream-view>
+      streams="[[streams]]"
+      stream-link-url="{{streamLinkUrl}}"></logdog-stream-view>
   </div>
 </template>
 
 </dom-module>
 
 <script>
   Polymer({
     is: "logdog-view",
     properties: {
       host: {
         type: String,
         notify: true,
         value: null,
       },
 
       clientId: {
         type: String,
         value: null,
       },
 
       streams: {
         type: Array,
         value: [],
         readOnly: true,
       },
 
+      streamLinkUrl: {
+        type: String,
+        value: null,
+        notify: true,
+      },
+
       metadata: {
         type: String,
         value: false,
         readOnly: true,
       },
 
       mobile: {
         type: Boolean,
         value: false,
       },
@@ skipping 96 matching lines @@
     },
   });
 
   (function(i,s,o,g,r,a,m){i['CrDXObject']=r;i[r]=i[r]||function(){
   (i[r].q=i[r].q||[]).push(arguments)},a=s.createElement(o),
   m=s.getElementsByTagName(o)[0];a.async=1;a.src=g;m.parentNode.insertBefore(a,m)
   })(window,document,'script','https://storage.googleapis.com/crdx-feedback.appspot.com/feedback.js','crdx');
 
   crdx('setFeedbackButtonLink', 'https://bugs.chromium.org/p/chromium/issues/entry?components=Infra>Platform>LogDog&labels=Infra-DX');
 </script>