[inspector] exposed builtins for injected script source

src/debug/debug-interface.h

 // Copyright 2016 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.
 
 #ifndef V8_DEBUG_DEBUG_INTERFACE_H_
 #define V8_DEBUG_DEBUG_INTERFACE_H_
 
 #include <functional>
 
 #include "include/v8-debug.h"
@@ skipping 179 matching lines @@
 
 void ResetBlackboxedStateCache(Isolate* isolate,
                                v8::Local<debug::Script> script);
 
 int EstimatedValueSize(Isolate* isolate, v8::Local<v8::Value> value);
 
 v8::MaybeLocal<v8::Array> EntriesPreview(Isolate* isolate,
                                          v8::Local<v8::Value> value,
                                          bool* is_key_value);
 
+enum Builtin {
+  kObjectKeys,
+  kObjectGetPrototypeOf,
+  kObjectGetOwnPropertyDescriptor,
+  kObjectGetOwnPropertyNames,
+  kObjectGetOwnPropertySymbols,
+};
+
+Local<Function> GetBuiltin(Isolate* isolate, Builtin builtin);
+
 /**
  * Native wrapper around v8::internal::JSGeneratorObject object.
  */
 class GeneratorObject {
  public:
   v8::MaybeLocal<debug::Script> Script();
   v8::Local<v8::Function> Function();
   debug::Location SuspendedLocation();
   bool IsSuspended();
 
@@ skipping 62 matching lines @@
   ~Coverage();
 
  private:
   explicit Coverage(i::Coverage* coverage) : coverage_(coverage) {}
   i::Coverage* coverage_;
 };
 }  // namespace debug
 }  // namespace v8
 
 #endif  // V8_DEBUG_DEBUG_INTERFACE_H_