Make the Response constructor throw when status is a null body status and body is non-null

LayoutTests/http/tests/fetch/script-tests/response.js

Index: LayoutTests/http/tests/fetch/script-tests/response.js
diff --git a/LayoutTests/http/tests/fetch/script-tests/response.js b/LayoutTests/http/tests/fetch/script-tests/response.js
index 6c3a6bd462f225d81a8e33f0a7696c7ecbb35e18..a48734aa5cd5b7631e2d92a7867f79b63635fe8a 100644
--- a/LayoutTests/http/tests/fetch/script-tests/response.js
+++ b/LayoutTests/http/tests/fetch/script-tests/response.js
@@ -121,6 +121,15 @@ test(function() {
                       ' should throw');
       });
 
+    [204, 205, 304].forEach(function(status) {
+        assert_throws({name: 'TypeError'},
+                      function() {
+                        new Response(new Blob(),{status: status});

[hiroshige, 2015/07/27 11:30:47]

nit: "new Response(new Blob(), {status: status});"
(a space between ',' and '{')

[shiva.jm, 2015/07/27 11:56:11]

Done.

[shiva.jm, 2015/07/27 11:56:11]

Done.

+                      },
+                      'new Response with null body status ' + status +
+                      ' and body is non-null should throw');
+      });
+
     [300, 0, 304, 305, 306, 309, 500].forEach(function(status) {
         assert_throws({name: 'RangeError'},
                       function() {