Implement 'URLSearchParams'

third_party/WebKit/LayoutTests/fast/domurl/resources/urlsearchparams-worker.js

Index: third_party/WebKit/LayoutTests/fast/domurl/resources/urlsearchparams-worker.js
diff --git a/third_party/WebKit/LayoutTests/fast/domurl/resources/urlsearchparams-worker.js b/third_party/WebKit/LayoutTests/fast/domurl/resources/urlsearchparams-worker.js
new file mode 100644
index 0000000000000000000000000000000000000000..999ddfc510f2d5212ecb49fdfff2970d4cce5a36
--- /dev/null
+++ b/third_party/WebKit/LayoutTests/fast/domurl/resources/urlsearchparams-worker.js
@@ -0,0 +1,14 @@
+importScripts("../../../resources/testharness.js")
+
+test(function() {
+    assert_true('URLSearchParams' in self);
+    assert_true('toString' in URLSearchParams.prototype);
+    assert_true('append' in URLSearchParams.prototype);
+    assert_true('delete' in URLSearchParams.prototype);
+    assert_true('get' in URLSearchParams.prototype);
+    assert_true('getAll' in URLSearchParams.prototype);
+    assert_true('has' in URLSearchParams.prototype);
+    assert_true('set' in URLSearchParams.prototype);
+}, 'URLSearchParams interface');
+
+done();