Eliminate extended mode, and other modes clean-up

src/runtime.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 776 matching lines @@
       Isolate* isolate,
       Handle<Object> object,
       uint32_t index);
 
   static Handle<Object> SetObjectProperty(
       Isolate* isolate,
       Handle<Object> object,
       Handle<Object> key,
       Handle<Object> value,
       PropertyAttributes attr,
-      StrictModeFlag strict_mode);
+      StrictMode strict_mode);
 
   static Handle<Object> ForceSetObjectProperty(
       Isolate* isolate,
       Handle<JSObject> object,
       Handle<Object> key,
       Handle<Object> value,
       PropertyAttributes attr);
 
   MUST_USE_RESULT static MaybeObject* DeleteObjectProperty(
       Isolate* isolate,
@@ skipping 55 matching lines @@
   static Handle<Object> CreateArrayLiteralBoilerplate(
       Isolate* isolate,
       Handle<FixedArray> literals,
       Handle<FixedArray> elements);
 };
 
 
 //---------------------------------------------------------------------------
 // Constants used by interface to runtime functions.
 
-class AllocateDoubleAlignFlag:    public BitField<bool,            0, 1> {};
-class AllocateTargetSpace:        public BitField<AllocationSpace, 1, 3> {};
+class AllocateDoubleAlignFlag:  public BitField<bool,            0, 1> {};
+class AllocateTargetSpace:      public BitField<AllocationSpace, 1, 3> {};
 
-class DeclareGlobalsEvalFlag:     public BitField<bool,         0, 1> {};
-class DeclareGlobalsNativeFlag:   public BitField<bool,         1, 1> {};
-class DeclareGlobalsLanguageMode: public BitField<LanguageMode, 2, 2> {};
+class DeclareGlobalsEvalFlag:   public BitField<bool,       0, 1> {};
+class DeclareGlobalsNativeFlag: public BitField<bool,       1, 1> {};
+class DeclareGlobalsStrictMode: public BitField<StrictMode, 2, 1> {};
 
 } }  // namespace v8::internal
 
 #endif  // V8_RUNTIME_H_