Format all tests.

tests/language/throw4_test.dart

 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 // Dart test program for testing throw statement
 
 import "package:expect/expect.dart";
 
 class MyException1 {
   const MyException1([String message = "1"]) : message_ = message;
   final String message_;
 }
 
 class MyException2 {
   const MyException2([String message = "2"]) : message_ = message;
   final String message_;
 }
 
 class MyException3 {
   const MyException3([String message = "3"]) : message_ = message;
   final String message_;
 }
 
 class Helper {
-  Helper() : i = 0 { }
+  Helper() : i = 0 {}
 
   int f1() {
     int j = 0;
     try {
       j = func();
     } on MyException3 catch (exception) {
       i = i + 300;
       print(exception.message_);
     } on MyException2 catch (exception) {
       i = i + 200;
@@ skipping 23 matching lines @@
       i = 300;
       print(exception.message_);
     } on MyException2 catch (exception) {
       i = 200;
       print(exception.message_);
     } finally {
       i = 800;
     }
     return i;
   }
+
   int i;
 }
 
 class Throw4Test {
   static testMain() {
     Expect.equals(1900, new Helper().f1());
   }
 }
 
 main() {
   Throw4Test.testMain();
 }