Split ExtensionWebRequestApiTest.PostData into two

chrome/test/data/extensions/api_test/webrequest/test_post2.js

Index: chrome/test/data/extensions/api_test/webrequest/test_post2.js
diff --git a/chrome/test/data/extensions/api_test/webrequest/test_post2.js b/chrome/test/data/extensions/api_test/webrequest/test_post2.js
new file mode 100644
index 0000000000000000000000000000000000000000..0d92dcb5bbdb0f8dcb38f3aabfac0571034cee7d
--- /dev/null
+++ b/chrome/test/data/extensions/api_test/webrequest/test_post2.js
@@ -0,0 +1,11 @@
+// Copyright (c) 2012 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+runTests([
+  // Navigates to a page with a form and submits it, generating a POST request.
+  // Multipart-encoded form.
+  sendPost('multipart.html', true /*parseableForm*/),
+  // An unparseable form, thus only raw POST data are extracted.
+  sendPost('plaintext.html', false /*parseableForm*/),
+]);