Adding in abs delta column to the alerts table

dashboard/dashboard/elements/alerts-page.html

Index: dashboard/dashboard/elements/alerts-page.html
diff --git a/dashboard/dashboard/elements/alerts-page.html b/dashboard/dashboard/elements/alerts-page.html
index ba0d715d6cfe226cb2f6c869c5cc26c868c15eb7..f38dca9a1e61f3f7f855f4d4a0bdd9a0c240b77f 100644
--- a/dashboard/dashboard/elements/alerts-page.html
+++ b/dashboard/dashboard/elements/alerts-page.html
@@ -16,6 +16,8 @@ found in the LICENSE file.
 <link rel="import" href="/dashboard/static/simple_xhr.html">
 <link rel="import" href="/dashboard/static/uri.html">
 
+<link rel="import" href="/tracing/base/unit.html">
+
 <dom-module id="alerts-page">
   <template>
     <style>
@@ -170,10 +172,20 @@ found in the LICENSE file.
         extraAnomaliesColumns: {
           type: Array,
           notify: true,
-          value: () => ([{
-            'key': 'percent_changed',
-            'label': 'Delta %'
-          }])
+          value: () => ([
+            {
+              'key': 'percent_changed',
+              'label': 'Delta %'
+            },
+            {
+              'key': 'absolute_delta',
+              'label': 'Abs Delta'
+            },
+            {
+              'key': 'units',
+              'label': 'Units'
+            }
+          ])
         },
 
         extraStoppageAlertsColumns: {
@@ -212,7 +224,7 @@ found in the LICENSE file.
 
       computeIsSingular: array => array.length === 1,
 
-      getLabel: toggleState => toggleState ? 'hide' : 'show',
+      getLabel: toggleState => (toggleState ? 'hide' : 'show'),
 
       onSheriffChange: function(e) {
         var sheriff = e.detail.item.label;