Make more JS files beter match the coding standard.

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 92e3913f31eb4d80f0459449678d73122da160ba..4ab6ea5d09229e1883164b0b8dd3b08ad0089a73 100644
--- a/test/mjsunit/mirror-array.js
+++ b/test/mjsunit/mirror-array.js
@@ -38,7 +38,7 @@ function MirrorRefCache(json_refs) {
 
 MirrorRefCache.prototype.lookup = function(handle) {
   return this.refs_[handle];
-}
+};
 
 function testArrayMirror(a, names) {
   // Create mirror and JSON representation.
@@ -113,7 +113,7 @@ function testArrayMirror(a, names) {
           found = true;
         }
       }
-      assertTrue(found, names[i])
+      assertTrue(found, names[i]);
     }
   }
 }
@@ -131,7 +131,7 @@ testArrayMirror(a);
 
 a=[1,2,3];
 a.x=2.2;
-a.y=function(){return null;}
+a.y=function(){return null;};
 testArrayMirror(a, ['x','y']);
 
 var a = []; a.push(a);