Breaking Change: Remove AddUnusedImportTrackFile() and ClearUnusedImportTrackFiles(). Remove PROTOBUF_FUTURE_RENAME_ADD_UNUSED_IMPORT

https://protobuf.dev/news/2025-09-19/#cpp-remove-macros

PiperOrigin-RevId: 842951980

Author: anandolee

src/google/protobuf/compiler/importer.h

@@ -186,16 +186,6 @@ class PROTOBUF_EXPORT Importer {
                           bool unused_import_is_error = false);
   void ClearDirectInputFiles();
 
-#if !defined(PROTOBUF_FUTURE_RENAME_ADD_UNUSED_IMPORT) && !defined(SWIG)
-  ABSL_DEPRECATED("Use AddDirectInputFile")
-  void AddUnusedImportTrackFile(absl::string_view file_name,
-                                bool is_error = false) {
-    AddDirectInputFile(file_name, is_error);
-  }
-  ABSL_DEPRECATED("Use AddDirectInputFile")
-  void ClearUnusedImportTrackFiles() { ClearDirectInputFiles(); }
-#endif  // !PROTOBUF_FUTURE_RENAME_ADD_UNUSED_IMPORT && !SWIG
-
 
  private:
   SourceTreeDescriptorDatabase database_;

src/google/protobuf/descriptor.h

@@ -2514,17 +2514,6 @@ class PROTOBUF_EXPORT DescriptorPool {
                           bool unused_import_is_error = false);
   void ClearDirectInputFiles();
 
-#if !defined(PROTOBUF_FUTURE_RENAME_ADD_UNUSED_IMPORT) && !defined(SWIG)
-  ABSL_DEPRECATED("Use AddDirectInputFile")
-  void AddUnusedImportTrackFile(absl::string_view file_name,
-                                bool is_error = false) {
-    AddDirectInputFile(file_name, is_error);
-  }
-  ABSL_DEPRECATED("Use AddDirectInputFile")
-  void ClearUnusedImportTrackFiles() { ClearDirectInputFiles(); }
-#endif  // !PROTOBUF_FUTURE_RENAME_ADD_UNUSED_IMPORT && !SWIG
-
-
  private:
   friend class Descriptor;
   friend class internal::LazyDescriptor;

src/google/protobuf/port_def.inc

@@ -144,10 +144,6 @@ static_assert(PROTOBUF_ABSL_MIN(20230125, 3),
 // Owner: shaod@, gberg@
 #define PROTOBUF_FUTURE_DESCRIPTOR_EXTENSION_DECL 1
 
-// Renames DescriptorPool::AddUnusedImportTrackFile
-// Owner: mkruskal@
-#define PROTOBUF_FUTURE_RENAME_ADD_UNUSED_IMPORT 1
-
 // Marks several logically constant operations on Repeated*Field as nodiscard.
 // Owner: ckennelly@, mkruskal@
 #define PROTOBUF_FUTURE_ADD_NODISCARD [[nodiscard]]