Migrated several tests from blink to V8 repository.

test/webkit/indexed-setter-on-global-object.js

Index: test/webkit/indexed-setter-on-global-object.js
diff --git a/test/webkit/concat-while-having-a-bad-time.js b/test/webkit/indexed-setter-on-global-object.js
similarity index 86%
copy from test/webkit/concat-while-having-a-bad-time.js
copy to test/webkit/indexed-setter-on-global-object.js
index dfda1e08a0b36194b787a44ee12a9693acd8aeaf..8453206849da92f34684e768e1db297839296620 100644
--- a/test/webkit/concat-while-having-a-bad-time.js
+++ b/test/webkit/indexed-setter-on-global-object.js
@@ -22,10 +22,16 @@
 // SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 description(
-"Tests the behavior of Array.prototype.concat while the array is having a bad time due to one of the elements we are concatenating."
+"Tests that creating an indexed setter on the global object doesn't break things."
 );
 
-Object.defineProperty(Array.prototype, 0, { writable: false });
-shouldBe("[42].concat()", "[42]");
+var thingy;
 
+this.__defineSetter__(42, function(value) {
+    thingy = value;
+});
+
+this[42] = "foo";
+
+shouldBe("thingy", "\"foo\"");