[NTPSnippets] Switch from TickClock to Clock for storing the last background fetched time.

chrome/browser/resources/snippets_internals.html

Index: chrome/browser/resources/snippets_internals.html
diff --git a/chrome/browser/resources/snippets_internals.html b/chrome/browser/resources/snippets_internals.html
index acfa350f73b5fa174d8014ecacab2fc0cd628c0c..ab31022ac342b1bd25fa39a5b7859635ced8e8eb 100644
--- a/chrome/browser/resources/snippets_internals.html
+++ b/chrome/browser/resources/snippets_internals.html
@@ -93,6 +93,17 @@ found in the LICENSE file.
     </div>
   </div>
 
+  <div id="remote-content-suggestions" class="">
+    <h2>Remote content suggestions</h2>
+    <div>
+      <span>Last Background Fetch Time: </span>
+      <span id="last-background-fetch-time-label"></span>
+    </div>
+    <button id="background-fetch-button" type="button">
+      Fetch Remote Suggestion in the Background

[Bernhard Bauer, 2016/12/13 13:06:54]

Nit: "suggestions", and no need to capitalize beyond the first word.

[markusheintz_, 2016/12/13 14:01:28]

Done.

+    </button>
+  </div>
+
   <div id="content-suggestions">
     <h2>Content suggestions by category
       <span class="detail">(click for details)</span>