Format all tests.

tests/language/try_catch3_test.dart

 // Copyright (c) 2012, 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 try/catch statement without any exceptions
 // being thrown.
 // VMOptions=--optimization-counter-threshold=10 --no-background-compilation
 
 import "package:expect/expect.dart";
 
 abstract class TestException {
   String getMessage();
 }
 
 class MyException implements TestException {
   const MyException([String message = ""]) : this._message = message;
-  String getMessage() { return _message; }
+  String getMessage() {
+    return _message;
+  }
+
   final String _message;
 }
 
 class MyParameterizedException<U, V> implements TestException {
   const MyParameterizedException([String message = ""])
       : this._message = message;
-  String getMessage() { return _message; }
+  String getMessage() {
+    return _message;
+  }
+
   final String _message;
 }
 
 class StackTrace {
-  StackTrace() { }
+  StackTrace() {}
   printStackTrace(TestException ex) {
     print(ex);
   }
 }
 
 class Helper {
   static int test1(int i) {
     try {
       int j;
       j = f2();
@@ skipping 72 matching lines @@
   static testMain() {
     Expect.equals(900, Helper.test1(1));
   }
 }
 
 main() {
   for (var i = 0; i < 20; i++) {
     TryCatchTest.testMain();
   }
 }