[runtime] support new Proxy() instead of Proxy.create and install getPrototypeOf trap

test/mjsunit/harmony/regress/regress-2225.js

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 10 matching lines @@
 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 // Flags: --harmony-proxies
 
 var proxy_has_x = false;
-var proxy = Proxy.create({ getPropertyDescriptor:function(key) {
+var proxy = new Proxy({}, { getPropertyDescriptor:function(key) {
   assertSame('x', key);
   if (proxy_has_x) {
     return { configurable:true, writable:false, value:19 };
   }
 }});
 
 // Test __lookupGetter__/__lookupSetter__ with proxy.
 assertSame(undefined, Object.prototype.__lookupGetter__.call(proxy, 'foo'));
 assertSame(undefined, Object.prototype.__lookupSetter__.call(proxy, 'bar'));
 assertSame(undefined, Object.prototype.__lookupGetter__.call(proxy, '123'));
@@ skipping 14 matching lines @@
 proxy_has_x = true;
 assertSame(19, new f().x);
 
 // Test inline constructors with proxy in prototype chain.
 function g() { this.x = 42; }
 g.prototype.__proto__ = proxy;
 proxy_has_x = false;
 assertSame(42, new g().x);
 proxy_has_x = true;
 assertSame(19, new g().x);