[stubs] Simplify the ArrayConstructorStub.

src/code-stubs.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_CODE_STUBS_H_
 #define V8_CODE_STUBS_H_
 
 #include "src/allocation.h"
 #include "src/assembler.h"
 #include "src/code-stub-assembler.h"
@@ skipping 1073 matching lines @@
 
 enum AllocationSiteOverrideMode {
   DONT_OVERRIDE,
   DISABLE_ALLOCATION_SITES,
   LAST_ALLOCATION_SITE_OVERRIDE_MODE = DISABLE_ALLOCATION_SITES
 };
 
 
 class ArrayConstructorStub: public PlatformCodeStub {
  public:
-  enum ArgumentCountKey { ANY, NONE, ONE, MORE_THAN_ONE };
-
-  ArrayConstructorStub(Isolate* isolate, int argument_count);
-
   explicit ArrayConstructorStub(Isolate* isolate);
 
  private:
-  ArgumentCountKey argument_count() const {
-    return ArgumentCountBits::decode(minor_key_);
-  }
-
   void GenerateDispatchToArrayStub(MacroAssembler* masm,
                                    AllocationSiteOverrideMode mode);
 
-  void PrintName(std::ostream& os) const override;  // NOLINT
-
-  class ArgumentCountBits : public BitField<ArgumentCountKey, 0, 2> {};
-
   DEFINE_CALL_INTERFACE_DESCRIPTOR(ArrayNArgumentsConstructor);
   DEFINE_PLATFORM_CODE_STUB(ArrayConstructor, PlatformCodeStub);
 };
 
 
 class InternalArrayConstructorStub: public PlatformCodeStub {
  public:
   explicit InternalArrayConstructorStub(Isolate* isolate);
 
  private:
@@ skipping 1770 matching lines @@
 #undef DEFINE_HYDROGEN_CODE_STUB
 #undef DEFINE_CODE_STUB
 #undef DEFINE_CODE_STUB_BASE
 
 extern Representation RepresentationFromMachineType(MachineType type);
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_CODE_STUBS_H_