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

src/objects-printer.cc

 // Copyright 2012 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/objects.h"
 
 #include "src/disasm.h"
 #include "src/disassembler.h"
 #include "src/interpreter/bytecodes.h"
 #include "src/objects-inl.h"
@@ skipping 715 matching lines @@
         min()->IsSmi() ? Smi::cast(min())->value() : -1,
         sec()->IsSmi() ? Smi::cast(sec())->value() : -1);
     os << buf.start();
   }
   JSObjectPrintBody(os, this);
 }
 
 
 void JSProxy::JSProxyPrint(std::ostream& os) {  // NOLINT
   HeapObject::PrintHeader(os, "JSProxy");
-  os << " - map = " << reinterpret_cast<void*>(map()) << "\n";
-  os << " - handler = ";
-  handler()->Print(os);
+  os << " - map = " << reinterpret_cast<void*>(map());
+  os << "\n - target = ";
+  target()->ShortPrint(os);
+  os << "\n - handler = ";
+  handler()->ShortPrint(os);
   os << "\n - hash = ";
-  hash()->Print(os);
+  hash()->ShortPrint(os);
   os << "\n";
 }
 
 
 void JSFunctionProxy::JSFunctionProxyPrint(std::ostream& os) {  // NOLINT
   HeapObject::PrintHeader(os, "JSFunctionProxy");
   os << " - map = " << reinterpret_cast<void*>(map()) << "\n";
   os << " - handler = ";
   handler()->Print(os);
   os << "\n - call_trap = ";
@@ skipping 577 matching lines @@
 void JSObject::PrintTransitions(std::ostream& os) {  // NOLINT
   Object* transitions = map()->raw_transitions();
   int num_transitions = TransitionArray::NumberOfTransitions(transitions);
   if (num_transitions == 0) return;
   os << "\n - transitions";
   TransitionArray::PrintTransitions(os, transitions, false);
 }
 #endif  // defined(DEBUG) || defined(OBJECT_PRINT)
 }  // namespace internal
 }  // namespace v8