[ESLint] Fix violations when enabling curly rule in eslint.

tracing/tracing/extras/importer/linux_perf/workqueue_parser.html

Index: tracing/tracing/extras/importer/linux_perf/workqueue_parser.html
diff --git a/tracing/tracing/extras/importer/linux_perf/workqueue_parser.html b/tracing/tracing/extras/importer/linux_perf/workqueue_parser.html
index b3bec20ddfca870ee0606116f7e742333f467883..95d175f195807b7a51ff0bd40ae124195bef9c38 100644
--- a/tracing/tracing/extras/importer/linux_perf/workqueue_parser.html
+++ b/tracing/tracing/extras/importer/linux_perf/workqueue_parser.html
@@ -50,8 +50,7 @@ tr.exportTo('tr.e.importer.linux_perf', function() {
      */
     executeStartEvent: function(eventName, cpuNumber, pid, ts, eventBase) {
       var event = workqueueExecuteStartRE.exec(eventBase.details);
-      if (!event)
-        return false;
+      if (!event) return false;
 
       var kthread = this.importer.getOrCreateKernelThread(eventBase.threadName,
           pid, pid);
@@ -62,8 +61,7 @@ tr.exportTo('tr.e.importer.linux_perf', function() {
 
     executeEndEvent: function(eventName, cpuNumber, pid, ts, eventBase) {
       var event = workqueueExecuteEndRE.exec(eventBase.details);
-      if (!event)
-        return false;
+      if (!event) return false;
 
       var kthread = this.importer.getOrCreateKernelThread(eventBase.threadName,
           pid, pid);