Remove special "store global proxy" IC, use as slow_stub().

src/builtins.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 139 matching lines @@
   V(StoreIC_Initialize,             STORE_IC, UNINITIALIZED,            \
                                     kNoExtraICState)                    \
   V(StoreIC_PreMonomorphic,         STORE_IC, PREMONOMORPHIC,           \
                                     kNoExtraICState)                    \
   V(StoreIC_Megamorphic,            STORE_IC, MEGAMORPHIC,              \
                                     kNoExtraICState)                    \
   V(StoreIC_Generic,                STORE_IC, GENERIC,                  \
                                     kNoExtraICState)                    \
   V(StoreIC_Generic_Strict,         STORE_IC, GENERIC,                  \
                                     StoreIC::kStrictModeState)          \
-  V(StoreIC_GlobalProxy,            STORE_IC, GENERIC,                  \
-                                    kNoExtraICState)                    \
   V(StoreIC_Initialize_Strict,      STORE_IC, UNINITIALIZED,            \
                                     StoreIC::kStrictModeState)          \
   V(StoreIC_PreMonomorphic_Strict,  STORE_IC, PREMONOMORPHIC,           \
                                     StoreIC::kStrictModeState)          \
   V(StoreIC_Megamorphic_Strict,     STORE_IC, MEGAMORPHIC,              \
                                     StoreIC::kStrictModeState)          \
-  V(StoreIC_GlobalProxy_Strict,     STORE_IC, GENERIC,                  \
-                                    StoreIC::kStrictModeState)          \
   V(StoreIC_Setter_ForDeopt,        STORE_IC, MONOMORPHIC,              \
                                     StoreIC::kStrictModeState)          \
                                                                         \
   V(KeyedStoreIC_Initialize,        KEYED_STORE_IC, UNINITIALIZED,      \
                                     kNoExtraICState)                    \
   V(KeyedStoreIC_PreMonomorphic,    KEYED_STORE_IC, PREMONOMORPHIC,     \
                                     kNoExtraICState)                    \
   V(KeyedStoreIC_Generic,           KEYED_STORE_IC, GENERIC,            \
                                     kNoExtraICState)                    \
                                                                         \
@@ skipping 254 matching lines @@
 
   friend class BuiltinFunctionTable;
   friend class Isolate;
 
   DISALLOW_COPY_AND_ASSIGN(Builtins);
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_BUILTINS_H_