remove traces of callback.h

examples/cpp/parse_dimacs_assignment.h

@@ -25,7 +25,6 @@
 #include <memory>
 #include <string>
 
-#include "ortools/base/callback.h"
 #include "ortools/base/commandlineflags.h"
 #include "ortools/base/filelineiter.h"
 #include "ortools/base/logging.h"

examples/cpp/pdptw.cc

@@ -42,7 +42,6 @@
 #include "absl/strings/str_format.h"
 #include "absl/strings/str_split.h"
 #include "google/protobuf/text_format.h"
-#include "ortools/base/callback.h"
 #include "ortools/base/commandlineflags.h"
 #include "ortools/base/file.h"
 #include "ortools/base/mathutil.h"

examples/cpp/random_tsp.cc

@@ -30,7 +30,6 @@
 #include "absl/memory/memory.h"
 #include "absl/strings/str_cat.h"
 #include "google/protobuf/text_format.h"
-#include "ortools/base/callback.h"
 #include "ortools/base/commandlineflags.h"
 #include "ortools/base/integral_types.h"
 #include "ortools/base/random.h"

makefiles/Makefile.gen.mk

@@ -5,7 +5,6 @@ BASE_DEPS = \
  $(SRC_DIR)/ortools/base/base_export.h \
  $(SRC_DIR)/ortools/base/basictypes.h \
  $(SRC_DIR)/ortools/base/bitmap.h \
- $(SRC_DIR)/ortools/base/callback.h \
  $(SRC_DIR)/ortools/base/canonical_errors.h \
  $(SRC_DIR)/ortools/base/cleanup.h \
  $(SRC_DIR)/ortools/base/commandlineflags.h \
@@ -43,7 +42,6 @@ BASE_DEPS = \
 
 BASE_LIB_OBJS = \
  $(OBJ_DIR)/base/bitmap.$O \
- $(OBJ_DIR)/base/callback.$O \
  $(OBJ_DIR)/base/file.$O \
  $(OBJ_DIR)/base/random.$O \
  $(OBJ_DIR)/base/recordio.$O \
@@ -56,11 +54,6 @@ objs/base/bitmap.$O: ortools/base/bitmap.cc ortools/base/bitmap.h \
  ortools/base/logging.h ortools/base/macros.h | $(OBJ_DIR)/base
 	$(CCC) $(CFLAGS) -c $(SRC_DIR)$Sortools$Sbase$Sbitmap.cc $(OBJ_OUT)$(OBJ_DIR)$Sbase$Sbitmap.$O
 
-objs/base/callback.$O: ortools/base/callback.cc ortools/base/callback.h \
- ortools/base/logging.h ortools/base/integral_types.h \
- ortools/base/macros.h | $(OBJ_DIR)/base
-	$(CCC) $(CFLAGS) -c $(SRC_DIR)$Sortools$Sbase$Scallback.cc $(OBJ_OUT)$(OBJ_DIR)$Sbase$Scallback.$O
-
 objs/base/file.$O: ortools/base/file.cc ortools/base/file.h \
  ortools/base/integral_types.h ortools/base/logging.h \
  ortools/base/macros.h ortools/base/status.h | $(OBJ_DIR)/base

ortools/base/BUILD

@@ -131,16 +131,6 @@ cc_library(
     ],
 )
 
-cc_library(
-    name = "callback",
-    hdrs = [
-        "callback.h",
-    ],
-    deps = [
-        ":base",
-    ],
-)
-
 cc_library(
     name = "filelinereader",
     srcs = [

ortools/base/callback.cc

@@ -1,23 +0,0 @@
-// Copyright 2010-2018 Google LLC
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//     http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-#include "ortools/base/callback.h"
-
-namespace operations_research {
-
-void CallbackUtils_::FailIsRepeatable(const char* name) {
-  LOG(FATAL) << "A " << name
-             << " made with NewCallback() "
-                "is not a repeatable callback!";
-}
-}  // namespace operations_research