[Interpreter] Remove register file register and replace with LoadParentFramePointer.

src/ia32/macro-assembler-ia32.h

Index: src/ia32/macro-assembler-ia32.h
diff --git a/src/ia32/macro-assembler-ia32.h b/src/ia32/macro-assembler-ia32.h
index f827ee08e5b49f636bb7a502236a8d6287f68108..82046465225e437f7592d77a2664ebdf3cd25a14 100644
--- a/src/ia32/macro-assembler-ia32.h
+++ b/src/ia32/macro-assembler-ia32.h
@@ -20,7 +20,6 @@ const Register kReturnRegister2 = {Register::kCode_edi};
 const Register kJSFunctionRegister = {Register::kCode_edi};
 const Register kContextRegister = {Register::kCode_esi};
 const Register kInterpreterAccumulatorRegister = {Register::kCode_eax};
-const Register kInterpreterRegisterFileRegister = {Register::kCode_edx};
 const Register kInterpreterBytecodeOffsetRegister = {Register::kCode_ecx};
 const Register kInterpreterBytecodeArrayRegister = {Register::kCode_edi};
 const Register kInterpreterDispatchTableRegister = {Register::kCode_esi};