Add experimental, non-snapshotted V8 extras

src/snapshot/natives.h

 // Copyright 2011 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_SNAPSHOT_NATIVES_H_
 #define V8_SNAPSHOT_NATIVES_H_
 
 #include "src/objects.h"
 #include "src/vector.h"
 
 namespace v8 { class StartupData; }  // Forward declaration.
 
 namespace v8 {
 namespace internal {
 
-enum NativeType { CORE, CODE_STUB, EXPERIMENTAL, EXTRAS, D8, TEST };
+enum NativeType {
+  CORE,
+  CODE_STUB,
+  EXPERIMENTAL,
+  EXTRAS,
+  EXPERIMENTAL_EXTRAS,
+  D8,
+  TEST
+};
 
 template <NativeType type>
 class NativesCollection {
  public:
   // The following methods are implemented in js2c-generated code:
 
   // Number of built-in scripts.
   static int GetBuiltinsCount();
   // Number of debugger implementation scripts.
   static int GetDebuggerCount();
@@ skipping 10 matching lines @@
   // The following methods are implemented in natives-common.cc:
 
   static FixedArray* GetSourceCache(Heap* heap);
   static void UpdateSourceCache(Heap* heap);
 };
 
 typedef NativesCollection<CORE> Natives;
 typedef NativesCollection<CODE_STUB> CodeStubNatives;
 typedef NativesCollection<EXPERIMENTAL> ExperimentalNatives;
 typedef NativesCollection<EXTRAS> ExtraNatives;
+typedef NativesCollection<EXPERIMENTAL_EXTRAS> ExperimentalExtraNatives;
 
 
 #ifdef V8_USE_EXTERNAL_STARTUP_DATA
 // Used for reading the natives at runtime. Implementation in natives-empty.cc
 void SetNativesFromFile(StartupData* natives_blob);
 void ReadNatives();
 void DisposeNatives();
 #endif
 
 } }  // namespace v8::internal
 
 #endif  // V8_SNAPSHOT_NATIVES_H_