Do not use new struct type where unnecessary.

src/objects-debug.cc

Index: src/objects-debug.cc
diff --git a/src/objects-debug.cc b/src/objects-debug.cc
index ce075bf237ee07f585ae2bd45258f8553109d212..68f90b6922d77505577da0d7d0f0b9199e0fa139 100644
--- a/src/objects-debug.cc
+++ b/src/objects-debug.cc
@@ -428,13 +428,6 @@ void Map::VerifyOmittedMapChecks() {
 }
 
 
-void TypeFeedbackInfo::TypeFeedbackInfoVerify() {
-  VerifyObjectField(kStorage1Offset);
-  VerifyObjectField(kStorage2Offset);
-  VerifyObjectField(kStorage3Offset);
-}
-
-
 void AliasedArgumentsEntry::AliasedArgumentsEntryVerify() {
   VerifySmiField(kAliasedContextSlot);
 }
@@ -1170,12 +1163,6 @@ void ContextExtension::ContextExtensionVerify() {
   VerifyObjectField(kExtensionOffset);
 }
 
-void ConstantElementsPair::ConstantElementsPairVerify() {
-  CHECK(IsConstantElementsPair());
-  VerifySmiField(kElementsKindOffset);
-  VerifyObjectField(kConstantValuesOffset);
-}
-
 void AccessorInfo::AccessorInfoVerify() {
   CHECK(IsAccessorInfo());
   VerifyPointer(name());
@@ -1215,13 +1202,6 @@ void InterceptorInfo::InterceptorInfoVerify() {
 }
 
 
-void CallHandlerInfo::CallHandlerInfoVerify() {
-  CHECK(IsCallHandlerInfo());
-  VerifyPointer(callback());
-  VerifyPointer(data());
-}
-
-
 void TemplateInfo::TemplateInfoVerify() {
   VerifyPointer(tag());
   VerifyPointer(property_list());
@@ -1298,11 +1278,6 @@ void DebugInfo::DebugInfoVerify() {
 }
 
 
-void BreakPointInfo::BreakPointInfoVerify() {
-  CHECK(IsBreakPointInfo());
-  VerifyPointer(break_point_objects());
-}
-
 void StackFrameInfo::StackFrameInfoVerify() {
   CHECK(IsStackFrameInfo());
   VerifyPointer(script_name());