Make more JS files beter match the coding standard.

test/mjsunit/argument-named-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 13 matching lines @@
 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 // Tests to verify proper arguments handling if the arguments
 // variable is declared as a parameter or local variable.
 
 function e(a) {
   assertEquals(9, a.length);
   assertEquals("arguments", a);
-};
+}
 
 e("arguments");
 
 
 function f(arguments) {
   assertEquals(9, arguments.length);
   assertEquals("arguments", arguments);
-};
+}
 
 f("arguments");
 
 
 function g(x) {
   var arguments;
   assertEquals("arguments", x);
   assertEquals(1, arguments.length);
   assertEquals("[object Arguments]", '' + arguments);
-};
+}
 
 g("arguments");
 
 
 function h(x) {
   assertEquals("arguments", x);
   assertEquals(1, arguments.length);
   assertEquals("[object Arguments]", '' + arguments);
   var arguments = "foobar";
   assertEquals("arguments", x);
   assertEquals(6, arguments.length);
   assertEquals("foobar", '' + arguments);
-};
+}
 
 h("arguments");