Update almost all tests (except co19) to use the new try-catch syntax.

tests/language/type_checks_in_factory_method_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=--enable_type_checks --enable_asserts
 // Tests the type checking when passing code into closure from inside a factory method
 
 interface Foo<T> default Bar<T> {
   Foo.from();
 }
 
@@ skipping 14 matching lines @@
 }
 
 main() {
   Foo<String> value1;
   value1 = new Foo<String>.from();
 
   bool gotError = false;
 
   try {
     Foo<int> value2 = new Foo<int>.from();
-  } catch (TypeError e) {
+  } on TypeError catch (e) {
     gotError = true;
   }
   Expect.equals(true, gotError);
 }