Cleanup StringAddFlags.

src/ia32/code-stubs-ia32.h

 // Copyright 2011 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 126 matching lines @@
                                        Register scratch);
   static void GenerateHashGetHash(MacroAssembler* masm,
                                   Register hash,
                                   Register scratch);
 
  private:
   DISALLOW_IMPLICIT_CONSTRUCTORS(StringHelper);
 };
 
 
-enum StringAddFlags {
-  NO_STRING_ADD_FLAGS = 1 << 0,
-  // Omit left string check in stub (left is definitely a string).
-  NO_STRING_CHECK_LEFT_IN_STUB = 1 << 1,
-  // Omit right string check in stub (right is definitely a string).
-  NO_STRING_CHECK_RIGHT_IN_STUB = 1 << 2,
-  // Stub needs a frame before calling the runtime
-  ERECT_FRAME = 1 << 3,
-  // Omit both string checks in stub.
-  NO_STRING_CHECK_IN_STUB =
-      NO_STRING_CHECK_LEFT_IN_STUB | NO_STRING_CHECK_RIGHT_IN_STUB
-};
-
-
 class StringAddStub: public PlatformCodeStub {
  public:
   explicit StringAddStub(StringAddFlags flags) : flags_(flags) {}
 
  private:
   Major MajorKey() { return StringAdd; }
   int MinorKey() { return flags_; }
 
   void Generate(MacroAssembler* masm);
 
@@ skipping 402 matching lines @@
   Register address_;
   RememberedSetAction remembered_set_action_;
   SaveFPRegsMode save_fp_regs_mode_;
   RegisterAllocation regs_;
 };
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_IA32_CODE_STUBS_IA32_H_