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

src/bootstrapper.cc

Index: src/bootstrapper.cc
diff --git a/src/bootstrapper.cc b/src/bootstrapper.cc
index c609e578d4353f976932632ff301429d457dcbf6..6b7a304df2e31a21c8cb210bcf6714b8bfe328fa 100644
--- a/src/bootstrapper.cc
+++ b/src/bootstrapper.cc
@@ -1213,6 +1213,12 @@ void Genesis::InitializeGlobal(Handle<JSGlobalObject> global_object,
   }
 
 
+  {  // --- P r o x y ---
+    InstallFunction(global, "Proxy", JS_PROXY_TYPE, JSProxy::kSize,
+                    isolate->initial_object_prototype(), Builtins::kIllegal);
+  }
+
+
   {  // -- R e g E x p
     // Builtin functions for RegExp.prototype.
     Handle<JSFunction> regexp_fun =