Move (uppercase) JS builtins from js builtins object to native context.

src/api.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/api.h"
 
 #include <string.h>  // For memcpy, strlen.
 #ifdef V8_USE_ADDRESS_SANITIZER
 #include <sanitizer/asan_interface.h>
 #endif  // V8_USE_ADDRESS_SANITIZER
@@ skipping 3355 matching lines @@
   auto self = Utils::OpenHandle(this);
   auto other = Utils::OpenHandle(*that);
   if (self->IsSmi() && other->IsSmi()) {
     return Just(self->Number() == other->Number());
   }
   if (self->IsJSObject() && other->IsJSObject()) {
     return Just(*self == *other);
   }
   PREPARE_FOR_EXECUTION_PRIMITIVE(context, "v8::Value::Equals()", bool);
   i::Handle<i::Object> args[] = { other };
-  i::Handle<i::JSFunction> fun(i::JSFunction::cast(
-      isolate->js_builtins_object()->javascript_builtin(i::Builtins::EQUALS)));
+  i::Handle<i::JSFunction> fun = isolate->equals_builtin();
   i::Handle<i::Object> result;
   has_pending_exception =
       !i::Execution::Call(isolate, fun, self, arraysize(args), args)
            .ToHandle(&result);
   RETURN_ON_FAILED_EXECUTION_PRIMITIVE(bool);
   return Just(*result == i::Smi::FromInt(i::EQUAL));
 }
 
 
 bool Value::Equals(Local<Value> that) const {
@@ skipping 5021 matching lines @@
   Address callback_address =
       reinterpret_cast<Address>(reinterpret_cast<intptr_t>(callback));
   VMState<EXTERNAL> state(isolate);
   ExternalCallbackScope call_scope(isolate, callback_address);
   callback(info);
 }
 
 
 }  // namespace internal
 }  // namespace v8