Added check for trailing whitespaces and corrected existing violations.

test/mjsunit/mirror-array.js

Index: test/mjsunit/mirror-array.js
diff --git a/test/mjsunit/mirror-array.js b/test/mjsunit/mirror-array.js
index eb8f72a8c9935976a41f0c6050c455e89b3966e8..92e3913f31eb4d80f0459449678d73122da160ba 100644
--- a/test/mjsunit/mirror-array.js
+++ b/test/mjsunit/mirror-array.js
@@ -64,7 +64,7 @@ function testArrayMirror(a, names) {
   assertTrue(mirror.protoObject() instanceof debug.Mirror, 'Unexpected mirror hierachy');
   assertTrue(mirror.prototypeObject() instanceof debug.Mirror, 'Unexpected mirror hierachy');
   assertEquals(mirror.length(), a.length, "Length mismatch");
-  
+
   var indexedProperties = mirror.indexedPropertiesFromRange();
   assertEquals(indexedProperties.length, a.length);
   for (var i = 0; i < indexedProperties.length; i++) {
@@ -110,7 +110,7 @@ function testArrayMirror(a, names) {
       var found = false;
       for (var j = 0; j < fromJSON.properties.length; j++) {
         if (names[i] == fromJSON.properties[j].name) {
-          found = true; 
+          found = true;
         }
       }
       assertTrue(found, names[i])