[ic] Remove unnecessary access rights checks from the IC handlers.

src/mips/macro-assembler-mips.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_MIPS_MACRO_ASSEMBLER_MIPS_H_
 #define V8_MIPS_MACRO_ASSEMBLER_MIPS_H_
 
 #include "src/assembler.h"
 #include "src/globals.h"
 #include "src/mips/assembler-mips.h"
@@ skipping 477 matching lines @@
       SaveFPRegsMode save_fp,
       RememberedSetAction remembered_set_action = EMIT_REMEMBERED_SET,
       SmiCheck smi_check = INLINE_SMI_CHECK,
       PointersToHereCheck pointers_to_here_check_for_value =
           kPointersToHereMaybeInteresting);
 
 
   // ---------------------------------------------------------------------------
   // Inline caching support.
 
-  // Generate code for checking access rights - used for security checks
-  // on access to global objects across environments. The holder register
-  // is left untouched, whereas both scratch registers are clobbered.
-  void CheckAccessGlobalProxy(Register holder_reg,
-                              Register scratch,
-                              Label* miss);
-
   void GetNumberHash(Register reg0, Register scratch);
 
   inline void MarkCode(NopMarkerTypes type) {
     nop(type);
   }
 
   // Check if the given instruction is a 'type' marker.
   // i.e. check if it is a sll zero_reg, zero_reg, <type> (referenced as
   // nop(type)). These instructions are generated to mark special location in
   // the code, like some special IC code.
@@ skipping 1384 matching lines @@
     dd(GetLabelFunction(index));
   }
 }
 
 #define ACCESS_MASM(masm) masm->
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_MIPS_MACRO_ASSEMBLER_MIPS_H_