Link directly to published NetLog viewer rather than its project page

Bug: 1069750
Change-Id: Ic239766478e1e0086f76f9361e4cb59658d50342
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2242221
Reviewed-by: Matt Mueller <mattm@chromium.org>
Commit-Queue: Eric Roman <eroman@chromium.org>
Cr-Commit-Position: refs/heads/master@{#777900}

chrome/browser/resources/net_internals/events_view.html

@@ -1,6 +1,6 @@
 <!-- ================= Events view =================== -->
 <div id=events-view-tab-content class=content-box>
   The net-internals events viewer and related functionality has been removed.
-  Please use <a href="chrome://net-export">chrome://net-export</a> to save netlogs and the external <a href="https://chromium.googlesource.com/catapult/+/master/netlog_viewer/">catapult netlog_viewer</a> to view them.
+  Please use <a href="chrome://net-export">chrome://net-export</a> to save netlogs and the external <a href="https://netlog-viewer.appspot.com/">netlog_viewer</a> to view them.
 </div>
 

components/net_log/resources/net_export.html

@@ -172,7 +172,7 @@ <h2>Log file written</h2>
 
       <div class="section-container">
         The log file can be loaded using the
-        <a href="https://chromium.googlesource.com/catapult/+/master/netlog_viewer/"
+        <a href="https://netlog-viewer.appspot.com/"
            target="_blank">netlog_viewer</a>.
       </div>
 

net/docs/net-log.md

@@ -69,10 +69,9 @@ That said, changing core events may have consequences for external consumers of
 NetLogs, which rely on the structure and parameters to events for pretty
 printing and log analysis.
 
-The [NetLog
-viewer](https://chromium.googlesource.com/catapult/+/master/netlog_viewer/) for
-instance pretty prints certain parameters based on their names, and the event
-name that added them.
+The [NetLog viewer](https://netlog-viewer.appspot.com/) for instance pretty
+prints certain parameters based on their names, and the event name that added
+them.
 
 ### Example 1