Enable vulcanizing perf_insights mapper

perf_insights/perf_insights/map_single_trace_cmdline.html

Index: perf_insights/perf_insights/map_single_trace_cmdline.html
diff --git a/perf_insights/perf_insights/map_single_trace_cmdline.html b/perf_insights/perf_insights/map_single_trace_cmdline.html
index 160d1a868c5dc64c6bd4fca552b4f4b5181b3361..2964f93259117d75d61f48549f649710738895c7 100644
--- a/perf_insights/perf_insights/map_single_trace_cmdline.html
+++ b/perf_insights/perf_insights/map_single_trace_cmdline.html
@@ -7,6 +7,7 @@ found in the LICENSE file.
 <link rel="import" href="/perf_insights/map_single_trace.html">
 <link rel="import" href="/perf_insights/value/run_info.html">
 <link rel="import" href="/perf_insights/results/results.html">
+<link rel="import" href="/perf_insights/perf_insights_full_config.html">
 
 <script>
 'use strict';
@@ -16,11 +17,7 @@ tr.exportTo('pi', function() {
   var FailureValue = pi.v.FailureValue;
 
   function getMapFunctionFromMapFunctionHandle(mapFunctionHandle) {
-    if (mapFunctionHandle.mapFunctionFileName !== undefined)
-      return loadMapFunctionFromFileName(mapFunctionHandle.mapFunctionFileName);
-
     // Find the mapper by name.
-    loadHTML('/perf_insights/perf_insights_full_config.html');
     var typeInfo = pi.MapFunction.findTypeInfoMatching(function(typeInfo) {
       return typeInfo.constructor.name === mapFunctionHandle.mapFunctionName;
     });
@@ -35,31 +32,6 @@ tr.exportTo('pi', function() {
     return typeInfo.constructor;
   }
 
-  function loadMapFunctionFromFileName(mapFunctionFileName) {
-    // Load the mapper.
-    var allTypeInfos = pi.MapFunction.getAllRegisteredTypeInfos();
-    try {
-      var numTypeInfosBefore = allTypeInfos.length;
-      loadHTMLFile(mapFunctionFileName, mapFunctionFileName);
-    } catch (err) {
-      err.name = 'MapFunctionLoadingError';
-      throw err;
-    }
-
-    // Verify a mapFunction was defined.
-    var numTypeInfosNow = allTypeInfos.length;
-    if (numTypeInfosNow !== (numTypeInfosBefore + 1)) {
-      var err = new Error(mapFunctionFileName +
-                          ' did not call defineMapFunction');
-      err.name = 'MapFunctionNotDefinedError';
-      throw err;
-    }
-
-    var mapFunction = allTypeInfos[allTypeInfos.length - 1].constructor;
-    return mapFunction;
-  }
-
-
   function mapSingleTraceMain(args) {
     if (args.length !== 4)
       throw new Error('Must provide four arguments');