Incorporate constness into inferred interfaces

src/parser.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 753 matching lines @@
   // function g() { { var x; let x; } }
   //
   // The var declarations are hoisted to the function scope, but originate from
   // a scope where the name has also been let bound or the var declaration is
   // hoisted over such a scope.
   void CheckConflictingVarDeclarations(Scope* scope, bool* ok);
 
   // Parser support
   VariableProxy* NewUnresolved(Handle<String> name,
                                VariableMode mode,
-                               Interface* interface = Interface::NewValue());
+                               Interface* interface);
   void Declare(Declaration* declaration, bool resolve, bool* ok);
 
   bool TargetStackContainsLabel(Handle<String> label);
   BreakableStatement* LookupBreakTarget(Handle<String> label, bool* ok);
   IterationStatement* LookupContinueTarget(Handle<String> label, bool* ok);
 
   void RegisterTargetUse(Label* target, Target* stop);
 
   // Factory methods.
 
@@ skipping 86 matching lines @@
  private:
   static const int kTypeSlot = 0;
   static const int kElementsSlot = 1;
 
   DISALLOW_IMPLICIT_CONSTRUCTORS(CompileTimeValue);
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_PARSER_H_