Milo: Add an option to hide green steps

milo/appengine/frontend/expectations/swarming.build-build-unicode.html

Index: milo/appengine/frontend/expectations/swarming.build-build-unicode.html
diff --git a/milo/appengine/frontend/expectations/swarming.build-build-unicode.html b/milo/appengine/frontend/expectations/swarming.build-build-unicode.html
index adb058fd8bff41466344cca60cb7da92374586c1..c540e3817d1f0519bcc7a9608e1a9e63de4e0114 100644
--- a/milo/appengine/frontend/expectations/swarming.build-build-unicode.html
+++ b/milo/appengine/frontend/expectations/swarming.build-build-unicode.html
@@ -77,9 +77,11 @@
 
       
         <h2>Steps and Logfiles:</h2>
-        <input type="checkbox" id="showHidden">
-        <label for="showHidden">Show hidden <span id="numHidden"></span></label>
-        <ol id="steps" class="hide">
+        Show:
+        <input type="radio" name="hider" id="showAll"><label for="showAll">All</label>
+        <input type="radio" name="hider" id="showStandard" checked><label for="showStandard">Standard</label>
+        <input type="radio" name="hider" id="showFail"><label for="showFail">Failure</label>
+        <ol id="steps" class="standard">
 
           
             
@@ -242,24 +244,35 @@
 </div>
 <script language="javascript">
 $(document).ready(function() {
-  var check = function(checked) {
+
+  var check = function(filter) {
     var things = $("#steps");
-    if (checked) {
-      $("#steps").removeClass("hide");
-    } else {
-      $("#steps").addClass("hide");
-    }
-    var numHidden = $(".verbosity-Hidden").length;
-    if (numHidden > 0) {
-      $("#numHidden").text("(" + numHidden + " hidden)");
+    if (filter == "fail") {
+      $("#steps").removeClass("standard");
+      $("#steps").removeClass("all");
+      $("#steps").addClass("fail");
+    } else if (filter == "all") {
+      $("#steps").removeClass("standard");
+      $("#steps").addClass("all");
+      $("#steps").removeClass("fail");
     } else {
-      $("#numHidden").text("");
+      
+      $("#steps").removeClass("all");
+      $("#steps").addClass("standard");
+      $("#steps").removeClass("fail");
     }
   };
 
-  check($("#showHidden").is(":checked"));
-  $("#showHidden").click(function(e) {
-    check($(this).is(":checked"));
+  check($("#showFail").is(":checked"), "standard");
+
+  $("#showFail").click(function(e) {
+    check("fail");
+  });
+  $("#showStandard").click(function(e) {
+    check("standard");
+  });
+  $("#showAll").click(function(e) {
+    check("all");
   });
 });
 </script>