[proxies] Expose proxies in the API

src/factory.cc

 // Copyright 2014 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/factory.h"
 
 #include "src/allocation-site-scopes.h"
 #include "src/base/bits.h"
 #include "src/bootstrapper.h"
 #include "src/conversions.h"
@@ skipping 1924 matching lines @@
 
 Handle<JSDataView> Factory::NewJSDataView(Handle<JSArrayBuffer> buffer,
                                           size_t byte_offset,
                                           size_t byte_length) {
   Handle<JSDataView> obj = NewJSDataView();
   SetupArrayBufferView(isolate(), obj, buffer, byte_offset, byte_length);
   return obj;
 }
 
 
+// ES6 section 9.5.15 ProxyCreate (target, handler)
 Handle<JSProxy> Factory::NewJSProxy(Handle<JSReceiver> target,
                                     Handle<JSReceiver> handler) {
   // Allocate the proxy object.
   Handle<Map> map;
   if (target->IsCallable()) {
     if (target->IsConstructor()) {
       map = Handle<Map>(isolate()->proxy_constructor_map());
     } else {
       map = Handle<Map>(isolate()->proxy_callable_map());
     }
@@ skipping 367 matching lines @@
 }
 
 
 Handle<Object> Factory::ToBoolean(bool value) {
   return value ? true_value() : false_value();
 }
 
 
 }  // namespace internal
 }  // namespace v8