Introduce global contexts to represent lexical global scope(s).

src/factory.h

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 144 matching lines @@
   // not make sense to have a UTF-8 factory function for external strings,
   // because we cannot change the underlying buffer.
   Handle<String> NewExternalStringFromAscii(
       const ExternalAsciiString::Resource* resource);
   Handle<String> NewExternalStringFromTwoByte(
       const ExternalTwoByteString::Resource* resource);
 
   // Create a global (but otherwise uninitialized) context.
   Handle<Context> NewNativeContext();
 
+  // Create a global context.
+  Handle<Context> NewGlobalContext(Handle<JSFunction> function,
+                                   Handle<ScopeInfo> scope_info);
+
   // Create a module context.
   Handle<Context> NewModuleContext(Handle<ScopeInfo> scope_info);
 
   // Create a function context.
   Handle<Context> NewFunctionContext(int length, Handle<JSFunction> function);
 
   // Create a catch context.
   Handle<Context> NewCatchContext(Handle<JSFunction> function,
                                   Handle<Context> previous,
                                   Handle<String> name,
@@ skipping 327 matching lines @@
   // Update the map cache in the native context with (keys, map)
   Handle<MapCache> AddToMapCache(Handle<Context> context,
                                  Handle<FixedArray> keys,
                                  Handle<Map> map);
 };
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_FACTORY_H_