chakrashim: revert error types proxy change

Using Proxy to wrap Error types run into some regressions. e.g.,
toString() call fails. Revert that change and add special handling for
toString and stackTraceLimit.

Reviewed-by: kunalspathak

deps/chakrashim/lib/chakra_shim.js

@@ -24,7 +24,6 @@
       Object_getOwnPropertyDescriptor = Object.getOwnPropertyDescriptor,
       Object_getOwnPropertyNames = Object.getOwnPropertyNames,
       Object_keys = Object.keys,
-      Reflect_apply = Reflect.apply,
       Reflect_construct = Reflect.construct;
 
   function StackFrame(funcName, fileName, lineNumber, columnNumber) {
@@ -186,20 +185,27 @@
       return e;
     }
 
+    var builtInError = Error;
+
     [Error, EvalError, RangeError, ReferenceError, SyntaxError, TypeError,
       URIError
-    ].forEach(function (builtInError) {
-      var name = builtInError.name;
-      this[name] = new Proxy(builtInError, {
-        apply: function(target, thisArg, argumentsList) {
-          return makePropertiesNonEnumerable(
-            Reflect_apply(target, thisArg, argumentsList));
-        },
-        construct: function(target, argumentsList) {
-          return makePropertiesNonEnumerable(
-            Reflect_construct(target, argumentsList));
-        }
-      });
+    ].forEach(function (type) {
+      var newType = function () {
+        return makePropertiesNonEnumerable(Reflect_construct(type, arguments));
+      };
+      cloneObject(type, newType);
+      newType.toString = function () {
+        return type.toString();
+      };
+      this[type.name] = newType;
+    });
+
+    // Delegate Error.stackTraceLimit to saved Error constructor
+    Object_defineProperty(this['Error'], 'stackTraceLimit', {
+      enumerable: false,
+      configurable: true,
+      get: function () { return builtInError.stackTraceLimit; },
+      set: function (value) { builtInError.stackTraceLimit = value; }
     });
   }