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

tracing/tracing/ui/extras/deep_reports/html_results.html

Index: tracing/tracing/ui/extras/deep_reports/html_results.html
diff --git a/tracing/tracing/ui/extras/deep_reports/html_results.html b/tracing/tracing/ui/extras/deep_reports/html_results.html
index 2324a1d92149a5d3d72d708fa93d8fa12072ebd6..a14c18efcf6c1c1d399ccc3a29d7b49dd452a50f 100644
--- a/tracing/tracing/ui/extras/deep_reports/html_results.html
+++ b/tracing/tracing/ui/extras/deep_reports/html_results.html
@@ -52,15 +52,14 @@ Polymer({
   },
 
   addColumnIfNeeded_: function(columnName) {
-    if (this.hasColumnNamed_[columnName])
-      return;
+    if (this.hasColumnNamed_[columnName]) return;
+
     this.hasColumnNamed_[columnName] = true;
 
     var column = {
       title: columnName,
       value: function(row) {
-        if (row[columnName] === undefined)
-          return '';
+        if (row[columnName] === undefined) return '';
         return row[columnName];
       }
     };
@@ -70,13 +69,15 @@ Polymer({
 
     // Update widths.
     var colWidthPercentage;
-    if (columns.length === 1)
+    if (columns.length === 1) {
       colWidthPercentage = '100%';
-    else
+    } else {
       colWidthPercentage = (100 / (columns.length - 1)).toFixed(3) + '%';
+    }
 
-    for (var i = 1; i < columns.length; i++)
+    for (var i = 1; i < columns.length; i++) {
       columns[i].width = colWidthPercentage;
+    }
 
     this.$.table.tableColumns = columns;
   },
@@ -107,8 +108,9 @@ Polymer({
 
   addValue: function(value) {
     /* Value is expected to be a scalar telemetry-style Value. */
-    if (value.type !== 'scalar')
+    if (value.type !== 'scalar') {
       throw new Error('wat');
+    }
 
     this.addColumnIfNeeded_(value.name);
     var rowForPage = this.getRowForPage_(value.page);