Introducing GlobalDictionary, a backing store for global objects.

src/globals.h

 // 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.
 
 #ifndef V8_GLOBALS_H_
 #define V8_GLOBALS_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 359 matching lines @@
 class Descriptor;
 class DescriptorArray;
 class TransitionArray;
 class ExternalReference;
 class FixedArray;
 class FunctionTemplateInfo;
 class MemoryChunk;
 class SeededNumberDictionary;
 class UnseededNumberDictionary;
 class NameDictionary;
+class GlobalDictionary;
 template <typename T> class MaybeHandle;
 template <typename T> class Handle;
 class Heap;
 class HeapObject;
 class IC;
 class InterceptorInfo;
 class Isolate;
 class JSReceiver;
 class JSArray;
 class JSFunction;
@@ skipping 549 matching lines @@
 inline FunctionKind WithObjectLiteralBit(FunctionKind kind) {
   kind = static_cast<FunctionKind>(kind | FunctionKind::kInObjectLiteral);
   DCHECK(IsValidFunctionKind(kind));
   return kind;
 }
 } }  // namespace v8::internal
 
 namespace i = v8::internal;
 
 #endif  // V8_GLOBALS_H_