1 files changed, 59 insertions, 0 deletions
diff --git a/third_party/webkit/PerformanceTests/Speedometer/resources/flightjs-example-app/components/es5-shim/tests/helpers/h-kill.js b/third_party/webkit/PerformanceTests/Speedometer/resources/flightjs-example-app/components/es5-shim/tests/helpers/h-kill.js
new file mode 100644
index 0000000000..60b418023f
--- /dev/null
+++ b/third_party/webkit/PerformanceTests/Speedometer/resources/flightjs-example-app/components/es5-shim/tests/helpers/h-kill.js
@@ -0,0 +1,59 @@
+// This methods allows the killing of built-in functions,
+// so the shim can take over with that implementation
+var HLP = (function() {
+    "use strict";
+    var kill;
+    
+    kill = function(_class, methods) {
+        /*if(!Array.isArray(methods))
+            return;*/
+        if(!_class.originals)
+            _class.originals = {};
+
+        for (var i = 0, len = methods.length; i < len; i++) {
+            var obj = methods[i];
+            _class.originals[obj] = _class[obj];
+            delete _class[obj];
+            if (obj in _class) {
+                // try something more aggressive since V8 at least
+                // appears to ignore the delete.
+                _class[obj] = null;
+                if (_class[obj]) {
+                    console.log("Couln't overwrite", obj, "of", _class);
+                }
+            }
+        }
+    };
+    return { kill: kill };
+}());
+
+HLP.kill(Function.prototype, [
+    'bind'
+]);
+
+HLP.kill(Array, [
+    'isArray'
+]);
+
+HLP.kill(String.prototype, [
+    "trim"
+]);
+
+HLP.kill(Object, [
+    'keys'
+]);
+
+HLP.kill(Date, [
+    'now', 'parse'
+]);
+
+HLP.kill(Date.prototype, [
+    "toJSON", "toISOString"
+]);
+
+HLP.kill(Array.prototype, [
+    'forEach', 'some', 'every', 
+    'indexOf', 'lastIndexOf', 
+    'map', 'filter', 
+    'reduce', 'reduceRight'
+]);