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

tests/compiler/dart2js_native/native_method_rename3_frog_test.dart

Index: tests/compiler/dart2js_native/native_method_rename3_frog_test.dart
diff --git a/tests/compiler/dart2js_native/native_method_rename3_frog_test.dart b/tests/compiler/dart2js_native/native_method_rename3_frog_test.dart
index 02b4160473e330ef7ae7af2f32fb6fa11d769f35..f714e4d1c7e2df9d0306064ae8e93b61804b2377 100644
--- a/tests/compiler/dart2js_native/native_method_rename3_frog_test.dart
+++ b/tests/compiler/dart2js_native/native_method_rename3_frog_test.dart
@@ -85,7 +85,7 @@ expectNoSuchMethod(action, note) {
   bool caught = false;
   try {
     action();
-  } catch (NoSuchMethodException ex) {
+  } on NoSuchMethodException catch (ex) {
     caught = true;
     Expect.isTrue(ex is NoSuchMethodException, note);
   }