Format all tests.

tests/compiler/dart2js_native/native_exceptions1_frog_test.dart

Index: tests/compiler/dart2js_native/native_exceptions1_frog_test.dart
diff --git a/tests/compiler/dart2js_native/native_exceptions1_frog_test.dart b/tests/compiler/dart2js_native/native_exceptions1_frog_test.dart
index 9ab42836af440b2e3acc064df1d30cd346e7a155..6970a828f9dee8efd2e489f513223de677deafef 100644
--- a/tests/compiler/dart2js_native/native_exceptions1_frog_test.dart
+++ b/tests/compiler/dart2js_native/native_exceptions1_frog_test.dart
@@ -18,7 +18,7 @@ import 'native_testing.dart';
 // The exception type.
 @Native("E")
 class E {
-  E._used() native ; // Bogus native constructor, called only from fake body.
+  E._used() native; // Bogus native constructor, called only from fake body.
 
   final int code;
 }
@@ -29,7 +29,7 @@ class A {
   // Exception class E is created.
   @Creates("E")
   @Returns('int')
-  op(int x) native ;
+  op(int x) native;
 }
 
 // This class is here just so that a dynamic context is polymorphic.
@@ -38,7 +38,7 @@ class B {
   op(String x) => 123;
 }
 
-makeA() native ;
+makeA() native;
 
 void setup1() native """
 // Ensure we are not relying on global names 'A' and 'E'.