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

test/mjsunit/harmony/proxies-symbols.js

 // Copyright 2013 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 13 matching lines @@
 // 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
 
 
 // Helper.
 
 function TestWithProxies(test, x, y, z) {
-  test(Proxy.create, x, y, z)
-  test(function(h) {return Proxy.createFunction(h, function() {})}, x, y, z)
+  test(function(h) { return new Proxy({}, h) }, x, y, z)
+  test(function(h) {
+    return Proxy.createFunction(h, function() {})
+  }, x, y, z)
 }
 
 
 // No symbols should leak to proxy traps.
 
 function TestNoSymbolsToTrap(handler) {
   TestWithProxies(TestNoSymbolsToTrap2, handler)
 }
 
 function TestNoSymbolsToTrap2(create, handler) {
@@ skipping 51 matching lines @@
 function MakeSymbolArray() {
   return [Symbol(), Symbol("a")]
 }
 
 TestNoSymbolsFromTrap({
   enumerate: MakeSymbolArray,
   keys: MakeSymbolArray,
   getPropertyNames: MakeSymbolArray,
   getOwnPropertyNames: MakeSymbolArray
 })