Adding ArrayBuffer support to ServiceWorker Response and tests

LayoutTests/http/tests/serviceworker/resources/response-content-worker.js

+importScripts('worker-test-harness.js');
+
+promise_test(function() {
+  var response = new Response("test string");
+  assert_equals(response.headers.get('Content-Type'), 'text/plain;charset=UTF-8');

[jsbell, 2014/09/08 20:32:48]

style: wrap to 80 characters

See: http://www.chromium.org/blink/serviceworker/testing

[jsbell, 2014/09/08 20:32:48]

Always have an assertion message; ideally, phrased as "... should ..."

[dmurph, 2014/09/08 20:59:29]

Done.

[dmurph, 2014/09/08 20:59:30]

Done.

+  return response.body.asText().then(function(text) {

[jsbell, 2014/09/08 20:32:48]

style: wrap before .then

[dmurph, 2014/09/08 20:59:30]

Done.

+    assert_equals(text, "test string");

[jsbell, 2014/09/08 20:32:48]

Add message to assertion

[dmurph, 2014/09/08 20:59:30]

Done.

+  });
+}, 'Behavior of Response with string content.');
+
+promise_test(function() {
+  var intView  = new Int32Array([0,1,2,3,4,5,6,7,8,9]);
+  var buffer = intView.buffer;
+
+  var response = new Response(buffer);
+  assert_false(response.headers.has('Content-Type'));

[jsbell, 2014/09/08 20:32:48]

Add message to assertion

[dmurph, 2014/09/08 20:59:29]

Done.

+  return response.body.asArrayBuffer().then(function(buffer) {

[jsbell, 2014/09/08 20:32:48]

style: wrap before the .then

[dmurph, 2014/09/08 20:59:30]

Done.

+    var resultIntView  = new Int32Array(buffer);

[jsbell, 2014/09/08 20:32:48]

nit: extra space before the =

[dmurph, 2014/09/08 20:59:29]

Done.

+    assert_array_equals(resultIntView, [0,1,2,3,4,5,6,7,8,9]);

[jsbell, 2014/09/08 20:32:48]

Add message to assertion

[dmurph, 2014/09/08 20:59:30]

Done.

+  });
+}, 'Behavior of Response with arraybuffer content.');