Simplify language feature management.

src/runtime/runtime.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_RUNTIME_RUNTIME_H_
 #define V8_RUNTIME_RUNTIME_H_
 
 #include "src/allocation.h"
 #include "src/objects.h"
 #include "src/zone.h"
@@ skipping 372 matching lines @@
   F(OptimizeObjectForAddingMultipleProperties, 2, 1)   \
                                                        \
   /* Debugging */                                      \
   F(DebugPrint, 1, 1)                                  \
   F(GlobalPrint, 1, 1)                                 \
   F(DebugTrace, 0, 1)                                  \
   F(TraceEnter, 0, 1)                                  \
   F(TraceExit, 1, 1)                                   \
   F(Abort, 1, 1)                                       \
   F(AbortJS, 1, 1)                                     \
+  F(NativeScriptsCount, 0, 1)                          \
   /* ES5 */                                            \
   F(OwnKeys, 1, 1)                                     \
                                                        \
   /* Message objects */                                \
   F(MessageGetStartPosition, 1, 1)                     \
   F(MessageGetScript, 1, 1)                            \
                                                        \
   /* Pseudo functions - handled as macros by parser */ \
   F(IS_VAR, 1, 1)                                      \
                                                        \
@@ skipping 494 matching lines @@
 class AllocateTargetSpace : public BitField<AllocationSpace, 1, 3> {};
 
 class DeclareGlobalsEvalFlag : public BitField<bool, 0, 1> {};
 class DeclareGlobalsNativeFlag : public BitField<bool, 1, 1> {};
 class DeclareGlobalsStrictMode : public BitField<StrictMode, 2, 1> {};
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_RUNTIME_RUNTIME_H_