[lldb] Remove HasCallbackParameter (#150366)

Author: kazutakahirata

lldb/tools/lldb-rpc-gen/RPCCommon.cpp

@@ -308,20 +308,6 @@ bool lldb_rpc_gen::MethodIsDisallowed(ASTContext &Context,
   return isDisallowed;
 }
 
-bool lldb_rpc_gen::HasCallbackParameter(CXXMethodDecl *MDecl) {
-  bool HasCallbackParameter = false;
-  bool HasBatonParameter = false;
-  auto End = MDecl->parameters().end();
-  for (auto Iter = MDecl->parameters().begin(); Iter != End; Iter++) {
-    if ((*Iter)->getType()->isFunctionPointerType())
-      HasCallbackParameter = true;
-    else if ((*Iter)->getType()->isVoidPointerType())
-      HasBatonParameter = true;
-  }
-
-  return HasCallbackParameter && HasBatonParameter;
-}
-
 // NOTE: There's possibly a more clever way to do this, but we're keeping
 // the string replacement way here. Here is why it is written this way:
 // By the time we have already created a `Method` object, we have extracted the

lldb/tools/lldb-rpc-gen/RPCCommon.h

@@ -32,7 +32,6 @@ bool TypeIsDisallowedClass(QualType T);
 bool TypeIsCallbackFunctionPointer(QualType T);
 
 bool MethodIsDisallowed(ASTContext &Context, CXXMethodDecl *MDecl);
-bool HasCallbackParameter(CXXMethodDecl *MDecl);
 
 std::string ReplaceLLDBNamespaceWithRPCNamespace(std::string Name);
 std::string StripLLDBNamespace(std::string Name);