Revert https://codereview.chromium.org/1291903002 (protobuf roll).

third_party/protobuf/cmake/libprotobuf.cmake

Index: third_party/protobuf/cmake/libprotobuf.cmake
diff --git a/third_party/protobuf/cmake/libprotobuf.cmake b/third_party/protobuf/cmake/libprotobuf.cmake
deleted file mode 100644
index 31fb1fb226f6166e3ce2d924c1c9ab226072b770..0000000000000000000000000000000000000000
--- a/third_party/protobuf/cmake/libprotobuf.cmake
+++ /dev/null
@@ -1,60 +0,0 @@
-set(libprotobuf_files
-  ${protobuf_source_dir}/src/google/protobuf/any.cc
-  ${protobuf_source_dir}/src/google/protobuf/any.pb.cc
-  ${protobuf_source_dir}/src/google/protobuf/api.pb.cc
-  ${protobuf_source_dir}/src/google/protobuf/compiler/importer.cc
-  ${protobuf_source_dir}/src/google/protobuf/compiler/parser.cc
-  ${protobuf_source_dir}/src/google/protobuf/descriptor.cc
-  ${protobuf_source_dir}/src/google/protobuf/descriptor.pb.cc
-  ${protobuf_source_dir}/src/google/protobuf/descriptor_database.cc
-  ${protobuf_source_dir}/src/google/protobuf/duration.pb.cc
-  ${protobuf_source_dir}/src/google/protobuf/dynamic_message.cc
-  ${protobuf_source_dir}/src/google/protobuf/empty.pb.cc
-  ${protobuf_source_dir}/src/google/protobuf/extension_set_heavy.cc
-  ${protobuf_source_dir}/src/google/protobuf/field_mask.pb.cc
-  ${protobuf_source_dir}/src/google/protobuf/generated_message_reflection.cc
-  ${protobuf_source_dir}/src/google/protobuf/io/gzip_stream.cc
-  ${protobuf_source_dir}/src/google/protobuf/io/printer.cc
-  ${protobuf_source_dir}/src/google/protobuf/io/strtod.cc
-  ${protobuf_source_dir}/src/google/protobuf/io/tokenizer.cc
-  ${protobuf_source_dir}/src/google/protobuf/io/zero_copy_stream_impl.cc
-  ${protobuf_source_dir}/src/google/protobuf/map_field.cc
-  ${protobuf_source_dir}/src/google/protobuf/message.cc
-  ${protobuf_source_dir}/src/google/protobuf/reflection_ops.cc
-  ${protobuf_source_dir}/src/google/protobuf/service.cc
-  ${protobuf_source_dir}/src/google/protobuf/source_context.pb.cc
-  ${protobuf_source_dir}/src/google/protobuf/struct.pb.cc
-  ${protobuf_source_dir}/src/google/protobuf/stubs/mathlimits.cc
-  ${protobuf_source_dir}/src/google/protobuf/stubs/structurally_valid.cc
-  ${protobuf_source_dir}/src/google/protobuf/stubs/substitute.cc
-  ${protobuf_source_dir}/src/google/protobuf/text_format.cc
-  ${protobuf_source_dir}/src/google/protobuf/timestamp.pb.cc
-  ${protobuf_source_dir}/src/google/protobuf/type.pb.cc
-  ${protobuf_source_dir}/src/google/protobuf/unknown_field_set.cc
-  ${protobuf_source_dir}/src/google/protobuf/util/field_comparator.cc
-  ${protobuf_source_dir}/src/google/protobuf/util/internal/datapiece.cc
-  ${protobuf_source_dir}/src/google/protobuf/util/internal/default_value_objectwriter.cc
-  ${protobuf_source_dir}/src/google/protobuf/util/internal/error_listener.cc
-  ${protobuf_source_dir}/src/google/protobuf/util/internal/field_mask_utility.cc
-  ${protobuf_source_dir}/src/google/protobuf/util/internal/json_escaping.cc
-  ${protobuf_source_dir}/src/google/protobuf/util/internal/json_objectwriter.cc
-  ${protobuf_source_dir}/src/google/protobuf/util/internal/json_stream_parser.cc
-  ${protobuf_source_dir}/src/google/protobuf/util/internal/object_writer.cc
-  ${protobuf_source_dir}/src/google/protobuf/util/internal/protostream_objectsource.cc
-  ${protobuf_source_dir}/src/google/protobuf/util/internal/protostream_objectwriter.cc
-  ${protobuf_source_dir}/src/google/protobuf/util/internal/type_info.cc
-  ${protobuf_source_dir}/src/google/protobuf/util/internal/type_info_test_helper.cc
-  ${protobuf_source_dir}/src/google/protobuf/util/internal/utility.cc
-  ${protobuf_source_dir}/src/google/protobuf/util/json_util.cc
-  ${protobuf_source_dir}/src/google/protobuf/util/message_differencer.cc
-  ${protobuf_source_dir}/src/google/protobuf/util/type_resolver_util.cc
-  ${protobuf_source_dir}/src/google/protobuf/wire_format.cc
-  ${protobuf_source_dir}/src/google/protobuf/wrappers.pb.cc
-)
-
-add_library(libprotobuf ${libprotobuf_lite_files} ${libprotobuf_files})
-target_link_libraries(libprotobuf ${CMAKE_THREAD_LIBS_INIT} ${ZLIB_LIBRARIES})
-target_include_directories(libprotobuf PUBLIC ${protobuf_source_dir}/src)
-set_target_properties(libprotobuf PROPERTIES
-    COMPILE_DEFINITIONS LIBPROTOBUF_EXPORTS
-    OUTPUT_NAME ${LIB_PREFIX}protobuf)