Remove JSReceiver::GetPrototype and replace it with PrototypeIterator calls

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/v8.h"
 
 #include "src/disasm.h"
 #include "src/disassembler.h"
 #include "src/jsregexp.h"
 #include "src/objects-visiting.h"
@@ skipping 371 matching lines @@
       }
     }
   }
 }
 
 
 void JSObject::JSObjectPrint(OStream& os) {  // NOLINT
   HeapObject::PrintHeader(os, "JSObject");
   // Don't call GetElementsKind, its validation code can cause the printer to
   // fail when debugging.
+  PrototypeIterator iter(GetIsolate(), this);
   os << " - map = " << reinterpret_cast<void*>(map()) << " ["
      << ElementsKindToString(this->map()->elements_kind())
-     << "]\n - prototype = " << reinterpret_cast<void*>(GetPrototype()) << "\n"
-     << " {\n";
+     << "]\n - prototype = " << reinterpret_cast<void*>(iter.GetCurrent())
+     << "\n {\n";
   PrintProperties(os);
   PrintTransitions(os);
   PrintElements(os);
   os << " }\n";
 }
 
 
 void JSModule::JSModulePrint(OStream& os) {  // NOLINT
   HeapObject::PrintHeader(os, "JSModule");
   os << " - map = " << reinterpret_cast<void*>(map()) << "\n"
@@ skipping 703 matching lines @@
     }
   }
   os << "\n";
 }
 
 
 #endif  // OBJECT_PRINT
 
 
 } }  // namespace v8::internal