Catch exception when creating device log entries

chrome/browser/resources/device_log_ui/device_log_ui.js

Index: chrome/browser/resources/device_log_ui/device_log_ui.js
diff --git a/chrome/browser/resources/device_log_ui/device_log_ui.js b/chrome/browser/resources/device_log_ui/device_log_ui.js
index a562ed7eddbd1d0efcabca85aa895c1fa8181c0e..c3f4c8f3dd1c6b366970999d5cf7f2014406b78c 100644
--- a/chrome/browser/resources/device_log_ui/device_log_ui.js
+++ b/chrome/browser/resources/device_log_ui/device_log_ui.js
@@ -95,7 +95,9 @@ var DeviceLogUI = (function() {
    * @param {Object} data A JSON structure of event log entries.
    */
   var getLogCallback = function(data) {
-    createEventLog(JSON.parse(data));
+    try {
+      createEventLog(JSON.parse(data));
+    } catch(e) {}

[stevenjb, 2016/01/27 18:13:08]

This is fine as-is, but we might want to put something like "No log entries" in
log-container if you're up for it.

   };
 
   /**