Show non-Blink ranges in sheriff-o-matic.

Tools/GardeningServer/ui/ct-failure-analyzer.html

 <!--
 Copyright 2014 The Chromium Authors. All rights reserved.
 Use of this source code is governed by a BSD-style license that can be
 found in the LICENSE file.
 -->
 
 <link rel="import" href="../model/ct-failure.html">
 
 <polymer-element name="ct-failure-analyzer" attributes="failures builderLatestRevisions">
   <script>
@@ skipping 62 matching lines @@
           // a failure group, then this will incorrectly overwrite one of the values.
           failuresByReason[failureKey][failure.builder_name] = {
             // FIXME: Rename to failureType.
             actual: failureType,
             lastFailingBuild: failure.last_failing_build,
             masterUrl: failure.master_url,
           };
         }.bind(this));
 
         var groupedFailures = [];
-
-        var oldestFailingRevision, newestPassingRevision;
-        // FIXME: This is a workaround for the backend's bogus data when the blink
-        // regression ranges have no overlap.
-        if (group.merged_last_passing && group.merged_first_failing.blink > group.merged_last_passing.blink) {
-          oldestFailingRevision = Number(group.merged_first_failing.blink);
-          newestPassingRevision = Number(group.merged_last_passing.blink);
-        }
-
         Object.keys(failuresByReason, function(failureKey, resultByBuilder) {
           var failure = JSON.parse(failureKey);
-          groupedFailures.push(new CTFailure(failure.step, failure.reason, resultByBuilder, oldestFailingRevision, newestPassingRevision));
+          groupedFailures.push(new CTFailure(failure.step, failure.reason, resultByBuilder, group.merged_first_failing, group.merged_last_passing));
         });
 
         // FIXME: Make this a model class intead of a dumb object.
         groupedFailures.sort(this._failureComparator);
 
         if (groupedFailures.length)
           this.failures.push(groupedFailures);
       },
     });
   </script>
 </polymer-element>