[stubs] Introduce NonPrimitiveToPrimitive builtin.

src/runtime/runtime-object.cc

 // Copyright 2014 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/runtime/runtime-utils.h"
 
 #include "src/arguments.h"
 #include "src/bootstrapper.h"
 #include "src/debug/debug.h"
 #include "src/isolate-inl.h"
@@ skipping 819 matching lines @@
 
 
 RUNTIME_FUNCTION(Runtime_ToPrimitive_Number) {
   HandleScope scope(isolate);
   DCHECK_EQ(1, args.length());
   CONVERT_ARG_HANDLE_CHECKED(Object, input, 0);
   RETURN_RESULT_OR_FAILURE(
       isolate, Object::ToPrimitive(input, ToPrimitiveHint::kNumber));
 }
 
-
 RUNTIME_FUNCTION(Runtime_ToNumber) {
   HandleScope scope(isolate);
   DCHECK_EQ(1, args.length());
   CONVERT_ARG_HANDLE_CHECKED(Object, input, 0);
   RETURN_RESULT_OR_FAILURE(isolate, Object::ToNumber(input));
 }
 
 
 RUNTIME_FUNCTION(Runtime_ToInteger) {
   HandleScope scope(isolate);
@@ skipping 115 matching lines @@
       isolate, o, key, &success, LookupIterator::OWN);
   if (!success) return isolate->heap()->exception();
   MAYBE_RETURN(
       JSReceiver::CreateDataProperty(&it, value, Object::THROW_ON_ERROR),
       isolate->heap()->exception());
   return *value;
 }
 
 }  // namespace internal
 }  // namespace v8