Migrated several tests from blink to V8 repository.

test/webkit/dfg-getter.js

Index: test/webkit/dfg-getter.js
diff --git a/test/webkit/concat-while-having-a-bad-time.js b/test/webkit/dfg-getter.js
similarity index 85%
copy from test/webkit/concat-while-having-a-bad-time.js
copy to test/webkit/dfg-getter.js
index dfda1e08a0b36194b787a44ee12a9693acd8aeaf..dafd9f9c8ce833500f2b4676dc503b485b232475 100644
--- a/test/webkit/concat-while-having-a-bad-time.js
+++ b/test/webkit/dfg-getter.js
@@ -22,10 +22,17 @@
 // 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 DFG getter caching does not break the world."
 );
 
-Object.defineProperty(Array.prototype, 0, { writable: false });
-shouldBe("[42].concat()", "[42]");
+function foo(o) {
+    return o.f;
+}
+
+for (var i = 0; i < 200; ++i) {
+    var o = new Object();
+    o.__defineGetter__("f", function(){ return i; });
+    shouldBe("foo(o)", "" + i);
+}