Move JSON-stringify webkit test to V8.

BUG=367089
LOG=N
R=machenbach@chromium.org

Review URL: https://codereview.chromium.org/254673005

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@20977 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

test/webkit/run-json-stringify.js

+// Copyright 2014 the V8 project authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+var nativeJSON = this.JSON;
+this.JSON = null;
+load("test/webkit/resources/json2-es5-compat.js");
+load("test/webkit/resources/JSON-stringify.js");

tools/blink_tests/TestExpectations

 # Tests that sometimes fail only on the V8 waterfall:
-[ Linux Release x86 ] fast/js/JSON-stringify.html [ Pass Failure Slow ]
 [ Linux Release x86 ] fast/text/atsui-multiple-renderers.html [ Pass Failure Slow ]
 [ Linux Release x86 ] fast/text/international/complex-joining-using-gpos.html [ Pass Failure Slow ]
 [ Linux Release x86 ] fast/text/international/danda-space.html [ Pass Failure Slow ]