Remove JSReceiver::GetPrototype and replace it with PrototypeIterator calls

src/accessors.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/accessors.h"
 #include "src/api.h"
 #include "src/compiler.h"
 #include "src/contexts.h"
@@ skipping 828 matching lines @@
 //
 
 static Handle<Object> GetFunctionPrototype(Isolate* isolate,
                                            Handle<Object> receiver) {
   Handle<JSFunction> function;
   {
     DisallowHeapAllocation no_allocation;
     JSFunction* function_raw = FindInstanceOf<JSFunction>(isolate, *receiver);
     if (function_raw == NULL) return isolate->factory()->undefined_value();
     while (!function_raw->should_have_prototype()) {
-      function_raw = FindInstanceOf<JSFunction>(isolate,
-                                                function_raw->GetPrototype());
+      PrototypeIterator iter(isolate, function_raw);
+      function_raw = FindInstanceOf<JSFunction>(isolate, iter.GetCurrent());
       // There has to be one because we hit the getter.
       ASSERT(function_raw != NULL);
     }
     function = Handle<JSFunction>(function_raw, isolate);
   }
 
   if (!function->has_prototype()) {
     Handle<Object> proto = isolate->factory()->NewFunctionPrototype(function);
     JSFunction::SetPrototype(function, proto);
   }
@@ skipping 562 matching lines @@
   info->set_data(Smi::FromInt(index));
   Handle<Object> getter = v8::FromCData(isolate, &ModuleGetExport);
   Handle<Object> setter = v8::FromCData(isolate, &ModuleSetExport);
   info->set_getter(*getter);
   if (!(attributes & ReadOnly)) info->set_setter(*setter);
   return info;
 }
 
 
 } }  // namespace v8::internal