Remove CONST_LEGACY VariableMode

src/objects.h

 // Copyright 2015 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_OBJECTS_H_
 #define V8_OBJECTS_H_
 
 #include <iosfwd>
 #include <memory>
 
@@ skipping 4274 matching lines @@
 
   // Lookup support for serialized scope info. Returns the
   // parameter index for a given parameter name if the parameter is present;
   // otherwise returns a value < 0. The name must be an internalized string.
   int ParameterIndex(String* name);
 
   // Lookup support for serialized scope info. Returns the function context
   // slot index if the function name is present and context-allocated (named
   // function expressions, only), otherwise returns a value < 0. The name
   // must be an internalized string.
-  int FunctionContextSlotIndex(String* name, VariableMode* mode);
+  int FunctionContextSlotIndex(String* name);
 
   // Lookup support for serialized scope info.  Returns the receiver context
   // slot index if scope has a "this" binding, and the binding is
   // context-allocated.  Otherwise returns a value < 0.
   int ReceiverContextSlotIndex();
 
   FunctionKind function_kind();
 
   static Handle<ScopeInfo> Create(Isolate* isolate, Zone* zone, Scope* scope);
   static Handle<ScopeInfo> CreateGlobalThisBinding(Isolate* isolate);
@@ skipping 94 matching lines @@
       : public BitField<LanguageMode, CallsEvalField::kNext, 2> {};
   class DeclarationScopeField
       : public BitField<bool, LanguageModeField::kNext, 1> {};
   class ReceiverVariableField
       : public BitField<VariableAllocationInfo, DeclarationScopeField::kNext,
                         2> {};
   class HasNewTargetField
       : public BitField<bool, ReceiverVariableField::kNext, 1> {};
   class FunctionVariableField
       : public BitField<VariableAllocationInfo, HasNewTargetField::kNext, 2> {};
-  class FunctionVariableMode
-      : public BitField<VariableMode, FunctionVariableField::kNext, 3> {};
-  class AsmModuleField : public BitField<bool, FunctionVariableMode::kNext, 1> {
-  };
+  class AsmModuleField
+      : public BitField<bool, FunctionVariableField::kNext, 1> {};
   class AsmFunctionField : public BitField<bool, AsmModuleField::kNext, 1> {};
   class HasSimpleParametersField
       : public BitField<bool, AsmFunctionField::kNext, 1> {};
   class FunctionKindField
       : public BitField<FunctionKind, HasSimpleParametersField::kNext, 9> {};
 
   // BitFields representing the encoded information for context locals in the
   // ContextLocalInfoEntries part.
   class ContextLocalMode:      public BitField<VariableMode,         0, 3> {};
   class ContextLocalInitFlag:  public BitField<InitializationFlag,   3, 1> {};
@@ skipping 6650 matching lines @@
     }
     return value;
   }
 };
 
 
 }  // NOLINT, false-positive due to second-order macros.
 }  // NOLINT, false-positive due to second-order macros.
 
 #endif  // V8_OBJECTS_H_