remove SignatureInfo class

src/objects-inl.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.
 //
 // Review notes:
 //
 // - The use of macros in these inline functions may seem superfluous
 // but it is absolutely needed to make sure gcc generates optimal
 // code. gcc is not happy when attempting to inline too deep.
 //
@@ skipping 5522 matching lines @@
 ACCESSORS(FunctionTemplateInfo, instance_call_handler, Object,
           kInstanceCallHandlerOffset)
 ACCESSORS(FunctionTemplateInfo, access_check_info, Object,
           kAccessCheckInfoOffset)
 ACCESSORS_TO_SMI(FunctionTemplateInfo, flag, kFlagOffset)
 
 ACCESSORS(ObjectTemplateInfo, constructor, Object, kConstructorOffset)
 ACCESSORS(ObjectTemplateInfo, internal_field_count, Object,
           kInternalFieldCountOffset)
 
-ACCESSORS(SignatureInfo, receiver, Object, kReceiverOffset)
-ACCESSORS(SignatureInfo, args, Object, kArgsOffset)
-
 ACCESSORS(TypeSwitchInfo, types, Object, kTypesOffset)
 
 ACCESSORS(AllocationSite, transition_info, Object, kTransitionInfoOffset)
 ACCESSORS(AllocationSite, nested_site, Object, kNestedSiteOffset)
 ACCESSORS_TO_SMI(AllocationSite, pretenure_data, kPretenureDataOffset)
 ACCESSORS_TO_SMI(AllocationSite, pretenure_create_count,
                  kPretenureCreateCountOffset)
 ACCESSORS(AllocationSite, dependent_code, DependentCode,
           kDependentCodeOffset)
 ACCESSORS(AllocationSite, weak_next, Object, kWeakNextOffset)
@@ skipping 1954 matching lines @@
 #undef READ_SHORT_FIELD
 #undef WRITE_SHORT_FIELD
 #undef READ_BYTE_FIELD
 #undef WRITE_BYTE_FIELD
 #undef NOBARRIER_READ_BYTE_FIELD
 #undef NOBARRIER_WRITE_BYTE_FIELD
 
 } }  // namespace v8::internal
 
 #endif  // V8_OBJECTS_INL_H_