Re-land "Format all multitests"

tests/language/try_catch_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.
 // VMOptions=--optimization-counter-threshold=10 --no-background-compilation
 
 import "package:expect/expect.dart";
 
-class MyException { }
+class MyException {}
 
-class MyException1 extends MyException { }
+class MyException1 extends MyException {}
 
-class MyException2 extends MyException { }
+class MyException2 extends MyException {}
 
 class TryCatchTest {
   static void test1() {
     var foo = 0;
     try {
       throw new MyException1();
     } on MyException2 catch (e) {
       foo = 1;
     } on MyException1 catch (e) {
       foo = 2;
@@ skipping 112 matching lines @@
     } on int {
       e = "i";
     }
     Expect.equals("s", e);
   }
 
   static void test10() {
     try {
       throw "up";
     } on String catch (e) {
-      var e = 1;  // ok, shadows exception variable.
+      var e = 1; // ok, shadows exception variable.
       Expect.equals(1, e);
     }
   }
 
   static void test11() {
     var e0 = 11;
     try {
       throw "up";
     } on int catch (e0) {
       Expect.fail("unreachable");
@@ skipping 10 matching lines @@
     } catch (e) {
       Expect.equals("up", e);
     } on String catch (e) {
       // Compile-time constants in unreachable catch blocks are still
       // compiled.
       const y = x[0]; // //# 01: compile-time error
       Expect.fail("unreachable");
     }
   }
 
-
   static void testMain() {
     test1();
     test2();
     test3();
     test4();
     test5();
     test6();
     test7();
     test8();
     test9();
     test10();
     test11();
     test12();
   }
 }
 
 main() {
   for (var i = 0; i < 20; i++) {
     TryCatchTest.testMain();
   }
 }