Make more JS files beter match the coding standard.

test/mjsunit/arguments.js

 // Copyright 2011 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 73 matching lines @@
 assertEquals(8, argv2(7, 8, 9));
 
 index = 2;
 assertEquals(9, argv0(7, 8, 9));
 assertEquals(9, argv1(7, 8, 9));
 assertEquals(9, argv2(7, 8, 9));
 
 
 // Test that calling a lazily compiled function with
 // an unexpected number of arguments works.
-function f(a) { return arguments.length; };
+function f(a) { return arguments.length; }
 assertEquals(3, f(1, 2, 3));
 
 function f1(x, y) {
   function g(a) {
     a[0] = "three";
     return a.length;
   }
   var l = g(arguments);
   y = 5;
   assertEquals(2, l);
@@ skipping 24 matching lines @@
 }
 f4();
 
 
 function f5(x, y, z) {
   function g(a) {
     x = "two";
     y = "three";
     a[1] = "drei";
     a[2] = "fuenf";
-  };
+  }
 
   g(arguments);
   assertEquals("two", x);
   assertEquals("drei", y);
   assertEquals("fuenf", z);
 }
 f5(2, 3, 5);
 
 
 function f6(x, y) {
@@ skipping 31 matching lines @@
 assertArrayEquals([2, 5, 5], f1(3, 5));
 assertArrayEquals([3, 5, 5, 7], f1(3, 5, 7));
 
 // Check out of bounds behavior.
 function arg_get(x) { return arguments[x]; }
 function arg_del(x) { return delete arguments[x]; }
 function arg_set(x) { return (arguments[x] = 117); }
 assertEquals(undefined, arg_get(0xFFFFFFFF));
 assertEquals(true, arg_del(0xFFFFFFFF));
 assertEquals(117, arg_set(0xFFFFFFFF));