Adding condition attributes for response headers to Declarative WebRequest

chrome/test/data/extensions/api_test/webrequest/test_declarative.js

Index: chrome/test/data/extensions/api_test/webrequest/test_declarative.js
diff --git a/chrome/test/data/extensions/api_test/webrequest/test_declarative.js b/chrome/test/data/extensions/api_test/webrequest/test_declarative.js
index 3759f7ba7bfbc3bf8dd78376121a7a256705b647..adbc139d6db2fe6cbd7c3fa37e5e69d3cf673310 100644
--- a/chrome/test/data/extensions/api_test/webrequest/test_declarative.js
+++ b/chrome/test/data/extensions/api_test/webrequest/test_declarative.js
@@ -105,7 +105,9 @@ runTests([
              },
              'resourceType': ["main_frame"],
              'contentType': ["text/plain"],
-             'excludeContentType': ["image/png"]})],
+             'excludeContentType': ["image/png"],
+             'responseHeaders': [{ nameContains: ["content", "type"] } ],
+             'excludeResponseHeaders': [{ valueContains: "nonsense" }] })],
          'actions': [new CancelRequest()]}
       ],
       function() {navigateAndWait(getURLHttpWithHeaders());}