Make more JS files beter match the coding standard.

test/mjsunit/regress/regress-3185905.js

 // Copyright 2010 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.
 
 function test1(x) {
   var a = arguments.callee;
   x = 1;
   x = 2;
   assertEquals(2, x);
 }
-test1(0)
+test1(0);
 
 function test2(x) {
   var a = arguments.callee;
   x++;
   x++;
   assertEquals(2, x);
 }
-test2(0)
+test2(0);
 
 function test3(x) {
   var a = arguments.callee;
   x += 1;
   x += 1;
   assertEquals(2, x);
 }
-test3(0)
+test3(0);
 
 function test4(x) {
   var arguments = { 0 : 3, 'x' : 4 };
   x += 1;
   x += 1;
   assertEquals(2, x);
-  assertEquals(3, arguments[0])
-  assertEquals(4, arguments['x'])
+  assertEquals(3, arguments[0]);
+  assertEquals(4, arguments['x']);
 }
-test4(0)
+test4(0);