Rename ValueSet* to HistogramSet*.

tracing/tracing/metrics/v8/gc_metric_test.html

Index: tracing/tracing/metrics/v8/gc_metric_test.html
diff --git a/tracing/tracing/metrics/v8/gc_metric_test.html b/tracing/tracing/metrics/v8/gc_metric_test.html
index 1ae15e021fe9123097525a8272f6650720c45fca..387d046428e64795f84ba4af01a0d7428f664fa0 100644
--- a/tracing/tracing/metrics/v8/gc_metric_test.html
+++ b/tracing/tracing/metrics/v8/gc_metric_test.html
@@ -9,7 +9,7 @@ found in the LICENSE file.
 <link rel="import" href="/tracing/extras/importer/trace_event_importer.html">
 <link rel="import" href="/tracing/metrics/v8/gc_metric.html">
 <link rel="import" href="/tracing/model/slice_group.html">
-<link rel="import" href="/tracing/value/value_set.html">
+<link rel="import" href="/tracing/value/histogram_set.html">
 
 <script>
 'use strict';
@@ -37,7 +37,7 @@ tr.b.unittest.testSuite(function() {
   }
 
   function run(slices) {
-    var values = new tr.v.ValueSet();
+    var values = new tr.v.HistogramSet();
     var startTime = slices.reduce((acc, slice) => (Math.min(acc, slice.start)));
     var endTime = slices.reduce((acc, slice) => (Math.max(acc, slice.end)));
     var model = createModel(startTime - 1, endTime + 1, slices);
@@ -92,7 +92,7 @@ tr.b.unittest.testSuite(function() {
   });
 
   test('idleTimes', function() {
-    var values = new tr.v.ValueSet();
+    var values = new tr.v.HistogramSet();
     var slices = [
       {
         title: 'SingleThreadIdleTaskRunner::RunTask',
@@ -131,7 +131,7 @@ tr.b.unittest.testSuite(function() {
   });
 
   test('idleTimeOverrun', function() {
-    var values = new tr.v.ValueSet();
+    var values = new tr.v.HistogramSet();
     var slices = [
       {
         title: 'SingleThreadIdleTaskRunner::RunTask',
@@ -170,7 +170,7 @@ tr.b.unittest.testSuite(function() {
   });
 
   test('subEvents', function() {
-    var values = new tr.v.ValueSet();
+    var values = new tr.v.HistogramSet();
     var slices = [
       {
         title: 'V8.GCFinalizeMC', args: {}, start: 100, end: 200,
@@ -190,7 +190,7 @@ tr.b.unittest.testSuite(function() {
   });
 
   test('total', function() {
-    var values = new tr.v.ValueSet();
+    var values = new tr.v.HistogramSet();
     var slices = [
       {
         title: 'V8.GCFinalizeMC', args: {}, start: 100, end: 200,
@@ -227,7 +227,7 @@ tr.b.unittest.testSuite(function() {
   });
 
   test('percentageInV8Execute', function() {
-    var values = new tr.v.ValueSet();
+    var values = new tr.v.HistogramSet();
     var slices = [
       {
         title: 'V8.Execute',
@@ -251,7 +251,7 @@ tr.b.unittest.testSuite(function() {
   });
 
   test('mutatorUtilization', function() {
-    var values = new tr.v.ValueSet();
+    var values = new tr.v.HistogramSet();
     var slices = [
       {
         title: 'V8.Execute', args: {}, start: 100, end: 200,