Migrated several tests from blink to V8 repository.

test/webkit/dfg-call-method-hit-watchpoint.js

Index: test/webkit/dfg-call-method-hit-watchpoint.js
diff --git a/test/webkit/concat-while-having-a-bad-time.js b/test/webkit/dfg-call-method-hit-watchpoint.js
similarity index 75%
copy from test/webkit/concat-while-having-a-bad-time.js
copy to test/webkit/dfg-call-method-hit-watchpoint.js
index dfda1e08a0b36194b787a44ee12a9693acd8aeaf..382f899fee5f03a5af49eed952e7664fb90558a3 100644
--- a/test/webkit/concat-while-having-a-bad-time.js
+++ b/test/webkit/dfg-call-method-hit-watchpoint.js
@@ -22,10 +22,32 @@
 // 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 correctness of method calls when the prototype is changed."
 );
 
-Object.defineProperty(Array.prototype, 0, { writable: false });
-shouldBe("[42].concat()", "[42]");
+function Thingy() {
+}
 
+Thingy.prototype = {
+    foo: function() {
+        return 42;
+    }
+};
+
+function callFoo(o) {
+    return o.foo();
+}
+
+var o = new Thingy();
+
+for (var i = 0; i < 200; ++i) {
+    if (i == 150)
+        Thingy.prototype.foo = function() { return 56; }
+    var expected;
+    if (i < 150)
+        expected = 42;
+    else
+        expected = 56;
+    shouldBe("callFoo(o)", "" + expected);
+}