Add a content-security-policy (CSP) flag.

tests/compiler/dart2js/class_codegen_test.dart

Index: tests/compiler/dart2js/class_codegen_test.dart
diff --git a/tests/compiler/dart2js/class_codegen_test.dart b/tests/compiler/dart2js/class_codegen_test.dart
index dae160e698a0a8cfa753a0014d0a259356c86f94..6d751f07cd60f75e9af72b8233dab16821dac61b 100644
--- a/tests/compiler/dart2js/class_codegen_test.dart
+++ b/tests/compiler/dart2js/class_codegen_test.dart
@@ -64,14 +64,14 @@ main() {
 
 twoClasses() {
   String generated = compileAll(TEST_ONE);
-  Expect.isTrue(generated.contains('\$.A = {"":\n [],\n "super": "Object"'));
-  Expect.isTrue(generated.contains('\$.B = {"":\n [],\n "super": "Object"'));
+  Expect.isTrue(generated.contains('\$.A = {"": [],\n "super": "Object"'));
+  Expect.isTrue(generated.contains('\$.B = {"": [],\n "super": "Object"'));
 }
 
 subClass() {
   checkOutput(String generated) {
-    Expect.isTrue(generated.contains('\$.A = {"":\n [],\n "super": "Object"'));
-    Expect.isTrue(generated.contains('\$.B = {"":\n [],\n "super": "A"'));
+    Expect.isTrue(generated.contains('\$.A = {"": [],\n "super": "Object"'));
+    Expect.isTrue(generated.contains('\$.B = {"": [],\n "super": "A"'));
   }
 
   checkOutput(compileAll(TEST_TWO));
@@ -80,10 +80,8 @@ subClass() {
 
 fieldTest() {
   String generated = compileAll(TEST_FOUR);
-  print(generated);
   Expect.isTrue(generated.contains(r"""
-$.B = {"":
- ["y", "z", "x"],
+$.B = {"": ["y", "z", "x"],
  "super": "A"
 }"""));
 }