Bindings: Make interface operation (method) properties configurable

LayoutTests/fast/js/resources/getOwnPropertyDescriptor.js

 description("Test to ensure correct behaviour of Object.getOwnPropertyDescriptor");
 
 function descriptorShouldBe(object, property, expected) {
     var test = 'Object.getOwnPropertyDescriptor('+object+", "+property+')';
     if ("writable" in expected) {
       //  shouldBe(test+'.writable', '' + expected.writable);
         shouldBe(test+'.value', '' + expected.value);
         shouldBeFalse(test+".hasOwnProperty('get')");
         shouldBeFalse(test+".hasOwnProperty('set')");
     } else {
         shouldBe(test+'.get', '' + expected.get);
         shouldBe(test+'.set', '' + expected.set);
         shouldBeFalse(test+".hasOwnProperty('value')");
         shouldBeFalse(test+".hasOwnProperty('writable')");
     }
     shouldBe(test+'.enumerable', '' + expected.enumerable);
     shouldBe(test+'.configurable', '' + expected.configurable);
 }
 
 shouldBeUndefined("Object.getOwnPropertyDescriptor({}, 'undefinedProperty')");
 descriptorShouldBe("{definedProperty:'defined'}", "'definedProperty'", {writable: true, enumerable: true, configurable: true, value:'"defined"'});
 descriptorShouldBe("Array.prototype", "'concat'", {writable: true, enumerable: false, configurable: true, value:"Array.prototype.concat"});
 descriptorShouldBe("Date.prototype", "'toISOString'", {writable: true, enumerable: false, configurable: true, value: "Date.prototype.toISOString"});
 descriptorShouldBe("String.prototype", "'concat'", {writable: true, enumerable: false, configurable: true, value:"String.prototype.concat"});
 descriptorShouldBe("RegExp.prototype", "'exec'", {writable: true, enumerable: false, configurable: true, value:"RegExp.prototype.exec"});
-descriptorShouldBe("document.__proto__.__proto__", "'createElement'", {writable: true, enumerable: true, configurable: false, value:"document.createElement"});
+descriptorShouldBe("document.__proto__.__proto__", "'createElement'", {writable: true, enumerable: true, configurable: true, value:"document.createElement"});
+descriptorShouldBe("window", "'location'", {writable: false, enumerable: true, configurable: false, value: "window.location"});
 descriptorShouldBe("Number", "'NEGATIVE_INFINITY'", {writable: false, enumerable: false, configurable: false, value:"Number.NEGATIVE_INFINITY"});
 descriptorShouldBe("RegExp", "'$_'", {writable: true, enumerable: false, configurable: true, value:"RegExp.$_"});
 descriptorShouldBe("/a/g", "'global'", {writable: true, enumerable: false, configurable: false, value:true});
 descriptorShouldBe("Node", "'DOCUMENT_POSITION_DISCONNECTED'", {writable: false, enumerable: true, configurable: false, value:"Node.DOCUMENT_POSITION_DISCONNECTED"});
 descriptorShouldBe("Math", "'sin'", {writable: true, enumerable: false, configurable: true, value:"Math.sin"});
 descriptorShouldBe("[1,2,3]", "0", {writable: true, enumerable: true, configurable: true, value:"1"});
 descriptorShouldBe("[1,2,3]", "'length'", {writable: true, enumerable: false, configurable: false, value:"3"});
 descriptorShouldBe("[1,2,3]", "'length'", {writable: true, enumerable: false, configurable: false, value:"3"});
 descriptorShouldBe("/(a)*/g.exec('a')", "0", {writable: true, enumerable: true, configurable: true, value:"'a'"});
 descriptorShouldBe("/(a)*/g.exec('a')", "'length'", {writable: true, enumerable: false, configurable: false, value:2});
@@ skipping 46 matching lines @@
     shouldBe('property', normalOrder[i++]);
 i = 0;
 for (var property in Object.getOwnPropertyDescriptor(objectWithGetter, "getter"))
     shouldBe('property', accessorOrder[i++]);
 i = 0;
 for (var property in Object.getOwnPropertyDescriptor(objectWithSetter, "setter"))
     shouldBe('property', accessorOrder[i++]);
 i = 0;
 for (var property in Object.getOwnPropertyDescriptor(objectWithAccessor, "accessor"))
     shouldBe('property', accessorOrder[i++]);