Do not use new struct type where unnecessary.

src/objects-printer.cc

 // 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.
 
 #include "src/objects.h"
 
 #include <iomanip>
 #include <memory>
 
 #include "src/bootstrapper.h"
@@ skipping 581 matching lines @@
   }
   os << "\n - prototype: " << Brief(prototype());
   os << "\n - constructor: " << Brief(GetConstructor());
   os << "\n - code cache: " << Brief(code_cache());
   os << "\n - dependent code: " << Brief(dependent_code());
   os << "\n - construction counter: " << construction_counter();
   os << "\n";
 }
 
 
-void TypeFeedbackInfo::TypeFeedbackInfoPrint(std::ostream& os) {  // NOLINT
-  HeapObject::PrintHeader(os, "TypeFeedbackInfo");
-  os << "\n - ic_total_count: " << ic_total_count()
-     << ", ic_with_type_info_count: " << ic_with_type_info_count()
-     << ", ic_generic_count: " << ic_generic_count() << "\n";
-}
-
-
 void AliasedArgumentsEntry::AliasedArgumentsEntryPrint(
     std::ostream& os) {  // NOLINT
   HeapObject::PrintHeader(os, "AliasedArgumentsEntry");
   os << "\n - aliased_context_slot: " << aliased_context_slot();
 }
 
 
 void FixedArray::FixedArrayPrint(std::ostream& os) {  // NOLINT
   HeapObject::PrintHeader(os, "FixedArray");
   os << "\n - map = " << Brief(map());
@@ skipping 711 matching lines @@
   os << "\n";
 }
 
 void ContextExtension::ContextExtensionPrint(std::ostream& os) {  // NOLINT
   HeapObject::PrintHeader(os, "ContextExtension");
   os << "\n - scope_info: " << Brief(scope_info());
   os << "\n - extension: " << Brief(extension());
   os << "\n";
 }
 
-void ConstantElementsPair::ConstantElementsPairPrint(
-    std::ostream& os) {  // NOLINT
-  HeapObject::PrintHeader(os, "ConstantElementsPair");
-  os << "\n - elements_kind: " << static_cast<ElementsKind>(elements_kind());
-  os << "\n - constant_values: " << Brief(constant_values());
-  os << "\n";
-}
-
 void AccessorPair::AccessorPairPrint(std::ostream& os) {  // NOLINT
   HeapObject::PrintHeader(os, "AccessorPair");
   os << "\n - getter: " << Brief(getter());
   os << "\n - setter: " << Brief(setter());
   os << "\n";
 }
 
 
 void AccessCheckInfo::AccessCheckInfoPrint(std::ostream& os) {  // NOLINT
   HeapObject::PrintHeader(os, "AccessCheckInfo");
@@ skipping 10 matching lines @@
   os << "\n - getter: " << Brief(getter());
   os << "\n - setter: " << Brief(setter());
   os << "\n - query: " << Brief(query());
   os << "\n - deleter: " << Brief(deleter());
   os << "\n - enumerator: " << Brief(enumerator());
   os << "\n - data: " << Brief(data());
   os << "\n";
 }
 
 
-void CallHandlerInfo::CallHandlerInfoPrint(std::ostream& os) {  // NOLINT
-  HeapObject::PrintHeader(os, "CallHandlerInfo");
-  os << "\n - callback: " << Brief(callback());
-  os << "\n - data: " << Brief(data());
-  os << "\n";
-}
-
-
 void FunctionTemplateInfo::FunctionTemplateInfoPrint(
     std::ostream& os) {  // NOLINT
   HeapObject::PrintHeader(os, "FunctionTemplateInfo");
   os << "\n - class name: " << Brief(class_name());
   os << "\n - tag: " << Brief(tag());
   os << "\n - serial_number: " << Brief(serial_number());
   os << "\n - property_list: " << Brief(property_list());
   os << "\n - call_code: " << Brief(call_code());
   os << "\n - property_accessors: " << Brief(property_accessors());
   os << "\n - prototype_template: " << Brief(prototype_template());
@@ skipping 81 matching lines @@
 
 void DebugInfo::DebugInfoPrint(std::ostream& os) {  // NOLINT
   HeapObject::PrintHeader(os, "DebugInfo");
   os << "\n - shared: " << Brief(shared());
   os << "\n - debug bytecode array: " << Brief(debug_bytecode_array());
   os << "\n - break_points: ";
   break_points()->Print(os);
 }
 
 
-void BreakPointInfo::BreakPointInfoPrint(std::ostream& os) {  // NOLINT
-  HeapObject::PrintHeader(os, "BreakPointInfo");
-  os << "\n - source_position: " << source_position();
-  os << "\n - break_point_objects: " << Brief(break_point_objects());
-  os << "\n";
-}
-
 void StackFrameInfo::StackFrameInfoPrint(std::ostream& os) {  // NOLINT
   HeapObject::PrintHeader(os, "StackFrame");
   os << "\n - line_number: " << line_number();
   os << "\n - column_number: " << column_number();
   os << "\n - script_id: " << script_id();
   os << "\n - script_name: " << Brief(script_name());
   os << "\n - script_name_or_source_url: "
      << Brief(script_name_or_source_url());
   os << "\n - function_name: " << Brief(function_name());
   os << "\n - is_eval: " << (is_eval() ? "true" : "false");
@@ skipping 258 matching lines @@
     printf("Not a transition array\n");
   } else {
     reinterpret_cast<i::TransitionArray*>(object)->Print();
   }
 }
 
 extern void _v8_internal_Print_StackTrace() {
   i::Isolate* isolate = i::Isolate::Current();
   isolate->PrintStack(stdout);
 }