Add an API to create a detached global object

src/factory.h

 // 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.
 
 #ifndef V8_FACTORY_H_
 #define V8_FACTORY_H_
 
 #include "src/isolate.h"
 #include "src/messages.h"
 #include "src/type-feedback-vector.h"
@@ skipping 488 matching lines @@
 
   // Reinitialize an JSGlobalProxy based on a constructor.  The object
   // must have the same size as objects allocated using the
   // constructor.  The object is reinitialized and behaves as an
   // object that has been freshly allocated using the constructor.
   void ReinitializeJSGlobalProxy(Handle<JSGlobalProxy> global,
                                  Handle<JSFunction> constructor);
 
   Handle<JSGlobalProxy> NewUninitializedJSGlobalProxy();
 
+  Handle<JSFunction> NewFunction(Handle<Map> map,
+                                 Handle<SharedFunctionInfo> info,
+                                 Handle<Object> context_or_undefined,
+                                 PretenureFlag pretenure = TENURED);
   Handle<JSFunction> NewFunction(Handle<String> name, Handle<Code> code,
                                  Handle<Object> prototype,
                                  bool is_strict = false);
   Handle<JSFunction> NewFunction(Handle<String> name);
   Handle<JSFunction> NewFunctionWithoutPrototype(Handle<String> name,
                                                  Handle<Code> code,
                                                  bool is_strict = false);
 
   Handle<JSFunction> NewFunctionFromSharedFunctionInfo(
       Handle<Map> initial_map, Handle<SharedFunctionInfo> function_info,
-      Handle<Context> context, PretenureFlag pretenure = TENURED);
+      Handle<Object> context_or_undefined, PretenureFlag pretenure = TENURED);
 
   Handle<JSFunction> NewFunctionFromSharedFunctionInfo(
       Handle<SharedFunctionInfo> function_info, Handle<Context> context,
       PretenureFlag pretenure = TENURED);
 
   Handle<JSFunction> NewFunction(Handle<String> name, Handle<Code> code,
                                  Handle<Object> prototype, InstanceType type,
                                  int instance_size,
                                  bool is_strict = false);
   Handle<JSFunction> NewFunction(Handle<String> name,
@@ skipping 176 matching lines @@
   // Creates a code object that is not yet fully initialized yet.
   inline Handle<Code> NewCodeRaw(int object_size, bool immovable);
 
   // Attempt to find the number in a small cache.  If we finds it, return
   // the string representation of the number.  Otherwise return undefined.
   Handle<Object> GetNumberStringCache(Handle<Object> number);
 
   // Update the cache with a new number-string pair.
   void SetNumberStringCache(Handle<Object> number, Handle<String> string);
 
-  // Creates a function initialized with a shared part.
-  Handle<JSFunction> NewFunction(Handle<Map> map,
-                                 Handle<SharedFunctionInfo> info,
-                                 Handle<Context> context,
-                                 PretenureFlag pretenure = TENURED);
-
   // Create a JSArray with no elements and no length.
   Handle<JSArray> NewJSArray(ElementsKind elements_kind,
                              PretenureFlag pretenure = NOT_TENURED);
 };
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_FACTORY_H_